Manuale d’uso / di manutenzione del prodotto GS-3012F Series del fabbricante ZyXEL Communications
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www .zyxel.com GS-3012/GS-3012F Series Gigabit Ethernet Switch User ’ s Guide V ersion 3.70 11 / 2 0 0 6 Edition 1.
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About This User's Guide GS-3012/GS- 3012F User’s Guid e 3 About This User's Guide Intended Audience This manual is intended for people who want to configure the switch using the web configurator or via commands. Y ou should have at least a basic knowledg e of TCP/IP networking conce pts and topology .
Document Conventions GS-3012/GS-3012F User’s Guide 4 Document Conventions W arnings and Notes These are how warnings and notes are shown in this User ’ s Guide.
Document Conventions GS-3012/GS- 3012F User’s Guid e 5 Icons Used in Figures Figures in this User ’ s Guide may use the followi ng generic icons. The switch icon is not an exact representation of your device.
Safety Warnings GS-3012/GS-3012F User’s Guide 6 Safety Warnings 1 For your safety , be sure to read and follow all warni ng notices and instructions. • Do NOT use this product near water , for example, in a wet basement or near a swimming pool. • Do NOT expose your device to dampness, dust or corrosive liquids.
Safety Warnings GS-3012/GS- 3012F User’s Guid e 7 This product is recyclable . Dispose of it properly ..
Safety Warnings GS-3012/GS-3012F User’s Guide 8.
Contents Overview GS-3012/GS- 3012F User’s Guid e 9 Contents Overview Introduction and Hardware Overview ..................................................... ............................. 31 Getting to Know Y our Sw itch ....... ...................
Contents Overview GS-3012/GS-3012F User’s Guide 10 Configure Clone .................. ................ ................ ................ ................ ................ ............. ........ 2 03 Commands and T roubleshooting ....................
Table of Contents GS-3012/GS- 3012F User’s Guid e 11 Table of Contents About This User's Guide ..................................................................................... ..................... 3 Document Conventions...................
Table of Contents GS-3012/GS-3012F User’s Guide 12 3.1.2 Gigabit Ports .. ................. ................ ................ ................ ................ ................ ....... ... 44 3.1.3 Mini-GBIC Slots ............ ................ .....
Table of Contents GS-3012/GS- 3012F User’s Guid e 13 7.5 Switch Setup Screen ...................... ................ ................ ................ ................. ............... .... 75 7.6 IP Setup .......... ................ ...............
Table of Contents GS-3012/GS-3012F User’s Guide 14 1 1.2 S panning T r ee Protocol Main Screen ........ ................ ................ .................... ................ . 106 1 1.3 Configure R apid S panning T ree Protocol ................ ..
Table of Contents GS-3012/GS- 3012F User’s Guid e 15 Chapter 18 Classifier .................................... ................................................................................ ........... 133 18.1 About the Classifier and QoS ......
Table of Contents GS-3012/GS-3012F User’s Guide 16 22.1.1 DHCP “Relay Agent In formation Option” ................. ................ ................ .............. 161 22.1.2 DHCP Relay Agent Circuit ID Sub-opti on Format .................... ..
Table of Contents GS-3012/GS- 3012F User’s Guid e 17 25.7.3 Netscape Navigator W arning Messages . .................... ................ ................ ........... 182 25.7.4 Login Screen . .................... ................ ................ ..
Table of Contents GS-3012/GS-3012F User’s Guide 18 32.1 Overview ................. ................. ................ ................ ................ ................ ............... ......... 2 07 32.1.1 Switch Configuration F ile ..... .........
Table of Contents GS-3012/GS- 3012F User’s Guid e 19 33.7.1 no mirror-port ............................ ................. ................... ................ ................ ........ 247 33.7.2 no trunk ...... ................ ................ ...
Table of Contents GS-3012/GS-3012F User’s Guide 20 Part VI: Appendices and Inde x ........................................................... 267 Appendix A Product S pecifications ...................................... .............................
List of Figures GS-3012/GS- 3012F User’s Guid e 21 List of Figures Figure 1 Backbone Application ....................... ................ ................... ................ ................. ..... .............. 34 Figure 2 Bridging Application ..
List of Figure s GS-3012/GS-3012F User’s Guide 22 Figure 39 802.1Q VLAN Port Settings ............ ................ ................ ................ .................... .......... ......... 89 Figure 40 802.1Q S tatic VLAN ................ .......
List of Figures GS-3012/GS- 3012F User’s Guid e 23 Figure 82 MVR Configuration Example ... .......... ...... ................. ................ ................ ................ ...... ..... 160 Figure 83 DHCP Relay ...... ................ .........
List of Figure s GS-3012/GS-3012F User’s Guide 24 Figure 125 CLI: History Command Example ........ ....... ................ ................ ................ ................ ....... .2 1 3 Figure 126 CLI: write memory ..................... ... ....
List of Figures GS-3012/GS- 3012F User’s Guid e 25 Figure 168 Pop-up Blocker ................. ................ ................... ................. ................ ................ ...... ........ 273 Figure 169 Internet Options ............... .
List of Figure s GS-3012/GS-3012F User’s Guide 26.
List of Tables GS-3012/GS- 3012F User’s Guid e 27 List of Tables T able 1 Front Panel Connec tions ............................ .................... ................ ................ .............. ......... ... 44 T able 2 LED Des criptions ..... .
List of Tables GS-3012/GS-3012F User’s Guide 28 T able 39 Supported Tunnel Protocol Attribute ... ............. ................ ................ ................ ................ . .... 124 T able 40 Port Authentication: RADIUS ........... ........
List of Tables GS-3012/GS- 3012F User’s Guid e 29 T able 82 Command Summary: Enable Mode .... ................... ................. ................... ................ ........... 21 5 T able 83 Command Summary: Configure Mode ............ ........
List of Tables GS-3012/GS-3012F User’s Guide 30.
31 P ART I Introduction and Hardware Overview Getting to Know Y our Switch (33) Hardware Installation and Connectio n (39) Hardware Overview (43).
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GS-3012/GS- 3012F User’s Guid e 33 C HAPTER 1 Getting to Know Your Switch This chapter describes the key features, be nefits and applicatio ns of the switc h. 1.1 Introduction The GS-3012 and GS-3012F are laye r 2 stand-alone Gigabit Ethe rnet switches.
Chapter 1 Getting to Know Your Switch GS-3012/GS-3012F User’s Guide 34 Figure 1 Backbone Application 1.1.2 Bridging Example In this example application the switch is the ideal solution for dif ferent company departments to connect to the corporate backbone.
Chapter 1 Getting to Kn ow Your Switch GS-3012/GS- 3012F User’s Guid e 35 1.1.3 High Performance Sw itched Workgroup Example The switch is ideal for connectin g two power workgroups that need h igh bandwidth. In the following example, use trunking to connect these two power wo rkgroups.
Chapter 1 Getting to Know Your Switch GS-3012/GS-3012F User’s Guide 36 Figure 4 T ag-based VLAN Application 1.1.4.2 VLAN Shared Server Example Shared resources such as a server can be us ed by all ports in the same VLAN as the server , as shown in the following example.
Chapter 1 Getting to Kn ow Your Switch GS-3012/GS- 3012F User’s Guid e 37 • SNMP . The switch can be monito red by an SNMP manager . See Section 25.3 o n page 176 . • Cluster Management. Cluster Management allows you to manage multiple switches through one switch, called the cluster manager .
Chapter 1 Getting to Know Your Switch GS-3012/GS-3012F User’s Guide 38.
GS-3012/GS- 3012F User’s Guid e 39 C HAPTER 2 Hardware Installation and Connection This chapter shows you how to install and connect the switch. 2.1 Inst allation Scenarios The switch can be placed on a desktop or rack-mounted on a stand ard EIA rack.
Chapter 2 Hardware Installation and Connection GS-3012/GS-3012F User’s Guide 40 Figure 6 Attaching Rubber Feet " Do NOT block the ventilation holes. Leave space between devices when stacking. 2.3 Mounting the Switch on a Rack The switch can be mounted on an EIA standard size, 19-inch rack or in a wiring closet with other equipment.
Chapter 2 Hard ware Installation an d Connection GS-3012/GS- 3012F User’s Guid e 41 Figure 7 Attaching the Mounting Brackets 2 Using a #2 Philips screwdriver , install the M3 flat head screws through the mounting bracket holes into the switch. 3 Repeat steps 1 and 2 to install the second mounting br acket on the other side of the switch.
Chapter 2 Hardware Installation and Connection GS-3012/GS-3012F User’s Guide 42.
GS-3012/GS- 3012F User’s Guid e 43 C HAPTER 3 Hardware Overview This chapter describes the front panel a nd rear pa nel of the switch and shows you how to make the hardware conn ections. 3.1 Front Panel The following figure shows the front panel of the GS-301 2.
Chapter 3 Hard ware Overview GS-3012/GS-3012F User’s Guide 44 The following table describes the po rt labels on the front panel. 3.1.1 Console Port For local management, you can use a computer w ith.
Chapter 3 Hardware Overview GS-3012/GS- 3012F User’s Guid e 45 When auto-negotiation is turned on, a Gigabit port nego tiates wi th the peer au tomatically to determine the connection sp eed and duplex mode.
Chapter 3 Hard ware Overview GS-3012/GS-3012F User’s Guide 46 3.1.3.1 T ransceiver Installation Use the following steps to install a mini-GBIC transceiver (SFP module). 1 Insert the transceiver into the slot with the exposed section of PCB board facing down.
Chapter 3 Hardware Overview GS-3012/GS- 3012F User’s Guid e 47 Figure 15 T ransceiver Removal Example 3.1.4 Manage ment Port The MGMT (management) port is used for local mana gement. Connect directly to this port using an Ethernet cable. Y ou can configure the switch via T elnet or the web config urator .
Chapter 3 Hard ware Overview GS-3012/GS-3012F User’s Guide 48 T o connect the power to the AC power model, insert the female end of power cord to the power receptacle on the rear panel. Connect th e other end of the supplied power cord to a 100~240V AC/1.
Chapter 3 Hardware Overview GS-3012/GS- 3012F User’s Guid e 49 3.4 Configuring the Switch Y ou may use the embedded web configurator or co mmand line interface to configure the switch. If you’re using the web con figurator , you need Internet Explorer 5.
Chapter 3 Hard ware Overview GS-3012/GS-3012F User’s Guide 50.
51 P ART II Basic Settings Introducing the W eb Configurator (53) Initial Setup Example (61) System Status and Port Details (65) Basic Setting (71).
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GS-3012/GS- 3012F User’s Guid e 53 C HAPTER 4 Introducing the Web Configurator This section introduces the con figuration and functions of the web config urator . 4.1 Introduction The embedded web configurator allows you to manag e the switch from anywhere th rough a standard browser such as Microsoft Internet Explorer or Netscape Navigator .
Chapter 4 Introducing the Web Configur ator GS-3012/GS-3012F User’s Guide 54 4.3 St atus Screen The St a t u s screen is the first web configurator scr een you see after you log in. The following figure shows the navigating co mponents of a web configura tor screen.
Chapter 4 Introducin g the Web C onfigurator GS-3012/GS- 3012F User’s Guid e 55 The following table lists the various web configurator screens within the sub-links.
Chapter 4 Introducing the Web Configur ator GS-3012/GS-3012F User’s Guide 56 Port Setup This link takes you to screens where you can configure settings for individual switch p orts. Advanced Application VLAN This link takes you to screens where you can configure port-based or 802.
Chapter 4 Introducin g the Web C onfigurator GS-3012/GS- 3012F User’s Guid e 57 4.3.1 Change Y our Password After you log in for the first time, it is reco mmende d you change the default Administrator password in the Logins screen. Click Advanced Application , Access Control and t hen Logins to display the next screen.
Chapter 4 Introducing the Web Configur ator GS-3012/GS-3012F User’s Guide 58 5 Assigning minimu m bandwidth to the CPU port. If you limit bandwidth to the CPU port, you may find that th e switch pe rforms sluggishly or not at all. " Be careful not to lock y ourself and others out of t he switch.
Chapter 4 Introducin g the Web C onfigurator GS-3012/GS- 3012F User’s Guid e 59 Figure 23 Resetting the Switch: V ia Console Port The switch is now reinitialized with a default configuration file including the default password of “1234”. 4.5.2 Logging Out of the W eb Configurator Click Logout in a screen to exit the web configurator .
Chapter 4 Introducing the Web Configur ator GS-3012/GS-3012F User’s Guide 60.
GS-3012/GS- 3012F User’s Guid e 61 C HAPTER 5 Initial Setup Example This chapter shows how to set up the switch for an example network. 5.1 Overview The following lists the configuration steps for the initial setup: • Create a V LAN • Set port VLAN ID • Configure the switch IP management address 5.
Chapter 5 Initial Set up Example GS-3012/GS-3012F User’s Guide 62 1 Click Advanced App lication and VLAN in the navigation panel and click the St a t i c VLAN link. 2 In the S tatic VLAN screen, select ACTIVE , enter a descriptive name in the Na me field and enter 2 in the VLAN Group ID field for the VLAN2 network.
Chapter 5 Initial Set up Example GS-3012/GS- 3012F User’s Guid e 63 Figure 26 Initial Setup Network Example: Port VID 1 Click Advanced Applications and VLAN in the navigation panel. Then click the VLAN Port Setting link. 2 Enter 2 in the PVID field for port 1 and click Apply to save your changes back to the run- time memory .
Chapter 5 Initial Set up Example GS-3012/GS-3012F User’s Guide 64 1 Connect your computer to any Ethernet port on the switch. Make sure y o ur computer is in the same subnet as the switch. 2 Open your web browser and enter 192.168.1.1 (the default IP address) in the address bar to access the web configurat or .
GS-3012/GS- 3012F User’s Guid e 65 C HAPTER 6 System Status and Port Details This chapter describes the system status (web configurator ho me page) and port details screens.
Chapter 6 S ystem Status and Port Details GS-3012/GS-3012F User’s Guide 66 The following table describes the labels in this screen. 6.2.1 Port Det ails Click a number in the Port column in the St a t u s screen to display indivi dual port statistics.
Chapter 6 System Status and Port Details GS-3012/GS- 3012F User’s Guid e 67 Figure 29 S tatus: Port Deta ils The following table describes the labels in this screen. T able 7 S tatus: Port Details LABEL DESCRIPTION Port Info Port NO. This field identifies the Gi gabi t port described in this screen.
Chapter 6 S ystem Status and Port Details GS-3012/GS-3012F User’s Guide 68 TxPkts This field shows the number of transmitted frames on this port RxPkts This field shows the number of received frames on this port Errors This field shows the number of received errors on this port.
Chapter 6 System Status and Port Details GS-3012/GS- 3012F User’s Guid e 69 65-127 This field sho ws the number of packets (including bad packets) received that were between 65 a nd 127 octets in leng th. 128-255 This field sho ws the number of packets (including bad packets) received that were between 128 and 255 octe ts in length.
Chapter 6 S ystem Status and Port Details GS-3012/GS-3012F User’s Guide 70.
GS-3012/GS- 3012F User’s Guid e 71 C HAPTER 7 Basic Setting This chapter describes how to configure the System Info, General Setup , Switch Setup , IP Setup and Port Setup screens.
Chapter 7 Basic Setting GS-3012/GS-3012F User’s Guide 72 Figure 30 System Info The following table describes the labels in this screen. T able 8 S ystem Info LABEL DESCRIPTION System Name This field displa ys the switch's model name.
Chapter 7 Basic Setting GS-3012/GS- 3012F User’s Guid e 73 7.3 General Setup Click Basic Setting and General Setup in the navigation panel to display the screen as shown. Use this screen to configure general settin gs such as the syst em name and time.
Chapter 7 Basic Setting GS-3012/GS-3012F User’s Guide 74 The following table describes the labels in this screen. T able 9 General Setup LABEL DESCRIPTION System Name Choose a descriptive name for identification purposes. This name consists of up to 64 printable characters; spaces are allowed.
Chapter 7 Basic Setting GS-3012/GS- 3012F User’s Guid e 75 7.4 Introduction to VLANs A VLAN (V irtual Local Area Network) allows a physical network to be partitioned into multiple logical networks. Device s on a logical network belong to one group. A device can belong to more than one group.
Chapter 7 Basic Setting GS-3012/GS-3012F User’s Guide 76 The following table describes the labels in this screen. T able 10 Switch Setup LABEL DESCRIPTION VLAN T ype Choose 802.1Q or Port Based . The VLAN Setup screen changes dependi ng on whether you choose 802.
Chapter 7 Basic Setting GS-3012/GS- 3012F User’s Guid e 77 7.6 IP Setup Use the IP Setup screen to configure the switch IP address, default gateway device, the default domain name serv er and the manageme nt VLAN ID. The default gateway specifies the IP address of the default gateway (next hop) for outgoing traffic.
Chapter 7 Basic Setting GS-3012/GS-3012F User’s Guide 78 Figure 33 IP Setup The following table describes the labels in this screen. Ta b l e 1 1 IP Setup LABEL DESCRIPTION Domain Name Serve r DNS (Domain Name System) is for mapping a domain name to its corresponding IP address and vice versa.
Chapter 7 Basic Setting GS-3012/GS- 3012F User’s Guid e 79 DHCP Client Select this option if you have a DHC P server that can assign the switch an IP address, subnet mask, a default gateway IP address and a domain na me server IP address automatically .
Chapter 7 Basic Setting GS-3012/GS-3012F User’s Guide 80 7.7 Port Setup Click Basic Setting and the n Port Setup in the navigation pa nel to enter the por t configuration screen. Use this scr een to configure switch port settings. Figure 34 Port Setup The following table describes th e fields in this screen.
Chapter 7 Basic Setting GS-3012/GS- 3012F User’s Guid e 81 Name Enter a descriptive name that identifies this port. Y ou can enter up to 64 alphanumeric characters. Note: Due to space limit ation, the port name may be truncated in some web configurator screens.
Chapter 7 Basic Setting GS-3012/GS-3012F User’s Guide 82.
83 P ART III Advanced Settings VLAN (85) Stat ic MAC Forward Setup (97) Filtering (101) Spanning T ree Protocol (103) Bandwidth Control (1 13) Broadcast Storm Con trol (115 ) Mirroring (1 17) Link Agg.
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GS-3012/GS- 3012F User’s Guid e 85 C HAPTER 8 VLAN The type of screen you see here depends o n the VLAN T y pe you selected in the Switch Setup screen. This chapter shows you how to config ure 802.1Q tagge d and port-based VLANs. See the General, Switch and IP Setu p chapter for more information.
Chapter 8 VLAN GS-3012/GS-3012F User’s Guide 86 8.1.2 Automatic VLAN Registration GARP and GVRP are the protocols used to auto matically register VLAN membership acros s switches.
Chapter 8 VLAN GS-3012/GS- 3012F User’s Guid e 87 Refer to the following figure. Suppose you wan t to create VLAN groups 1 and 2 (V1 and V2) on devices A and B. W ithout VLAN T runking , you must configure VLAN groups 1 and 2 on all intermediary switches C, D and E; otherwi se they will drop frames with unknown VLAN group tags.
Chapter 8 VLAN GS-3012/GS-3012F User’s Guide 88 Figure 37 802.1Q VLAN S t atus The following table describes the labels in this screen. 8.3.1 802.1Q VLAN Det ail Click on an index n umber in the VLAN St a t u s screen to display VLAN details. Use this screen to view detailed port settings and status of the VLAN group.
Chapter 8 VLAN GS-3012/GS- 3012F User’s Guid e 89 The following table describes the labels in this screen. 8.3.2 802.1Q VLAN Port Settings Use this screen to configure the 802.1Q VLAN settings on a port. S ee Section 8.1 on page 85 for more information on static VLAN.
Chapter 8 VLAN GS-3012/GS-3012F User’s Guide 90 The following table describes the labels in this screen. 8.3.3 802.1Q St atic VLAN Use this screen to configure and view 802.
Chapter 8 VLAN GS-3012/GS- 3012F User’s Guid e 91 Figure 40 802.1Q S t atic VLAN The following table describes the labels in this screen. T able 17 802.1Q Static VLAN LABEL DESCRIPTION Active Select this check box to enable the VLAN. Name Enter a descriptive na me for this VLAN group for identification purpo ses.
Chapter 8 VLAN GS-3012/GS-3012F User’s Guide 92 8.3.4 V iewing and Editing VLAN Settings T o view a summary of the VLAN configuratio n, scroll down to the summary table at the bottom of the S tatic VLAN screen. T o change the settings of a rule , click a number in the VID field.
Chapter 8 VLAN GS-3012/GS- 3012F User’s Guid e 93 8.3.4.1 VID1 Example Screen Figure 42 VID1 Example Screen 8.4 Introduction to Port-based VLANs Port-based VLANs are VLANs where the packet forwarding de cision is based on the destination MAC address and its associated port.
Chapter 8 VLAN GS-3012/GS-3012F User’s Guide 94 8.4.1 Configuring a Port-based VLAN Select Port Based as the VLAN T ype in the Switch Setup screen under Basic Setting and then click VLAN under Advanced Application to display the next screen.
Chapter 8 VLAN GS-3012/GS- 3012F User’s Guid e 95 The following table describes the labels in this screen. T able 19 Port Based VLAN Setup LABEL DESCRIPTION Setting Wizard Choose fr om All conn ected or Port isolation . All connected means all ports can communicate wit h each other , that is, there are no virtual LANs.
Chapter 8 VLAN GS-3012/GS-3012F User’s Guide 96.
GS-3012/GS- 3012F User’s Guid e 97 C HAPTER 9 Static MAC Forward Setup Use these screens to c onfigure forwarding ru les ba sed on MAC addresses of devices on your network. 9.1 Introduction to S t atic MAC Forward Setup A static MAC address is an address that has been ma nually entered in the MAC addres s table.
Chapter 9 Static MAC Forward Setup GS-3012/GS-3012F User’s Guide 98 The following table describes the labels in this screen. 9.3 V i ewing and Editing St atic MAC Forwarding Rules T o view a summary of the rule configuration, scroll down to the summ ary table at the bottom of the S tatic MAC Forwarding screen.
Chapter 9 Static MAC Forward Setup GS-3012/GS- 3012F User’s Guid e 99 Delete Check the rule(s) that you want to remove in the De lete column, then click the Delete button.
Chapter 9 Static MAC Forward Setup GS-3012/GS-3012F User’s Guide 100.
GS-3012/GS- 3012F User’s Guid e 101 C HAPTER 10 Filtering This chapter discusses static IP and MAC address port filtering. 10.1 Introduction to Filtering Filtering means sifting traf fic going through the switch based on the sour c e and/or destinatio n MAC addresses and VLAN group (ID).
Chapter 10 Filtering GS-3012/GS-3012F User’s Guide 102 10.3 V iewing and Editing Filter Rules T o view a summary of the rule configuration, scroll down to the summ ary table at the bottom of the Filtering screen. T o change the settings of a rule , click a number in the Index field.
GS-3012/GS- 3012F User’s Guid e 103 C HAPTER 11 Spanning Tree Protocol The switch supports Spanning T ree Protocol (STP) and Rapid Spanning T ree Protocol (RSTP) as defined in th e following standards. • IEEE 802.1D Span ning Tree P rotocol • IEEE 802.
Chapter 11 Spanning T ree Protoc ol GS-3012/GS-3012F User’s Guide 104 Path cost is the cost of tr ansmitting a frame onto a LAN thro ugh that port. It is assigned according to the speed of the link to which a port is attached. Th e slower the media, the higher the cost.
Chapter 11 Spanning T ree Protoc ol GS-3012/GS- 3012F User’s Guid e 105 1 1.1.3 STP Port St ates STP assigns five port states to eliminate packet looping. A bridge port is not allowed to go directly from blocking state to forwarding st ate so as to eliminate transient loops.
Chapter 11 Spanning T ree Protoc ol GS-3012/GS-3012F User’s Guide 106 1 1.2 Sp anning T ree Protocol Main Screen The switch allows you to configure a single RS TP configuration or you can configure multiple configurations. See Section 1 1.1 on p a ge 103 for more informa tion on RSTP .
Chapter 11 Spanning T ree Protoc ol GS-3012/GS- 3012F User’s Guid e 107 Figure 51 RSTP: Configu ration The following table describes the labels in this screen. T able 27 RSTP: Configuration LABEL DESCRIPTION S tatus Click Status to display the RSTP Stat us scree n (see Figure 52 on page 109 ).
Chapter 11 Spanning T ree Protoc ol GS-3012/GS-3012F User’s Guide 108 1 1.4 Rapid Sp anning T r ee Protocol S tatus Click Advanced Appli c ation , Spanning T r ee Protocol in the navigation panel to display the status screen as shown next. See Section 1 1.
Chapter 11 Spanning T ree Protoc ol GS-3012/GS- 3012F User’s Guid e 109 Figure 52 Rapid S p anning T ree Protocol: S t atus The following table describes the labels in this screen. 1 1.5 Configure Multiple Rapid Sp anning T ree Protocol T o configure MRSTP , select MRSTP in the Advanced Application , Spanning T ree Pro tocol screen.
Chapter 11 Spanning T ree Protoc ol GS-3012/GS-3012F User’s Guide 11 0 Figure 53 MRSTP: Configuration The following table describes the labels in this screen. T able 29 MRSTP: Configuration LABEL DESCRIPTION S tatus Click St a tus to display the MRSTP St atus screen (see Figure 54 on page 1 12 ).
Chapter 11 Spanning T ree Protoc ol GS-3012/GS- 3012F User’s Guid e 111 1 1.6 Multiple Rapid Sp anning T r ee Protocol S tatus Click Advanced Appli c ation , Spanning T r ee Protocol in the navigation panel to display the status screen as shown next.
Chapter 11 Spanning T ree Protoc ol GS-3012/GS-3012F User’s Guide 11 2 Figure 54 MRSTP: S tatus The following table describes the labels in this screen. T able 30 S panning T ree Protocol: S tatus LABEL DESCRIPTION Configuration Click Configuration to configure MRSTP settings.
GS-3012/GS- 3012F User’s Guid e 11 3 C HAPTER 12 Bandwidth Control This chapter shows you ho w you can set the maximum bandwidth allowed for traf fic flows on a port using the Bandwidth Control setup screens.
Chapter 12 Bandwidth Control GS-3012/GS-3012F User’s Guide 11 4 Figure 55 Bandwidt h Control The following table describes the labels in this screen. T able 31 Bandwidth Control LABEL DESCRIPTION Active Select this check box to activate bandwidth control.
GS-3012/GS- 3012F User’s Guid e 11 5 C HAPTER 13 Broadcast Storm Control 13.1 Introducing Broadcast S torm Control Broadcast storm control limits the number of broadcast, multicast and destination lookup failure (DLF) packets the switch receives per sec ond on the ports.
Chapter 13 Broadcast Storm Control GS-3012/GS-3012F User’s Guide 11 6 The following table describes the labels in this screen. T able 32 Broad cast Storm Cont rol LABEL DESCRIPTION Active Select this check box to enable traf fic storm control on the switch.
GS-3012/GS- 3012F User’s Guid e 11 7 C HAPTER 14 Mirroring This chapter discusses the Mirror setup screens. 14.1 Introduction to Port Mirroring Port mirroring allows you to copy a traffic flow to a monitor port (the port you copy the traffi c to) in order that you can examine the traffi c from the monitor port without interference.
Chapter 14 Mirr oring GS-3012/GS-3012F User’s Guide 11 8 The following table describes the re lated labels in this screen. T able 33 Mirroring LABEL DESCRIPTION Active Clear this check box to deactivate port mirroring on the switch.
GS-3012/GS- 3012F User’s Guid e 11 9 C HAPTER 15 Link Aggregation This chapter shows you how to logically aggreg ate physical links to form one logical, high er- bandwidth link. 15.1 Introduction to Link Aggregation Link aggregation (trunking) is the grouping of physical ports into one logical higher -c apacity link.
Chapter 15 Link Aggregation GS-3012/GS-3012F User’s Guide 120 15.1.2 Link Aggregation ID LACP aggregation ID consis ts of th e following information: 15.2 Link Aggregation Protocol S t atus Click Advanced App lication , Link Aggregation in the navigation pa nel to display the Link Aggregati on Protocol S tatus scre en.
Chapter 15 Link Aggregation GS-3012/GS- 3012F User’s Guid e 121 15.3 Link Aggregation Setup Click Configuration in the Link Aggr egation Protocol S tatus screen to display the screen shown next. Y ou can configure up to six link aggregatio n groups and each group can aggregate up to eight ports.
Chapter 15 Link Aggregation GS-3012/GS-3012F User’s Guide 122 System Prior ity LACP system priority is a number between 1 and 65,535. The swit ch with the lowest system priority (and lowest po rt number if system priority is the same) becomes the LACP “server”.
GS-3012/GS- 3012F User’s Guid e 123 C HAPTER 16 Port Authentication This chapter describes the 802.1x authenti cation method and RADIUS server connection setup.
Chapter 16 Port Authentication GS-3012/GS-3012F User’s Guide 124 " Refer to the documentation that comes with your RADIUS server on how to configure a VSA.
Chapter 16 Port Au thentication GS-3012/GS- 3012F User’s Guid e 125 16.2 Configuring Port Authentication T o enable port authentication, first activate IEEE802.1x security (both on the switc h and the port(s)) then configure th e RADIUS server settings.
Chapter 16 Port Authentication GS-3012/GS-3012F User’s Guide 126 16.2.2 Configuring IEEE802.1x Use this screen to activate IEEE 802.1x security . From the Port Authentica tion screen, c lick 802.1x to display the configur ation screen as shown. Figure 63 Port Authentication: 802.
Chapter 16 Port Au thentication GS-3012/GS- 3012F User’s Guid e 127 Reauthentication Ti m e r S pecify how often a client has to re-enter his or he r username and password to stay connected to the port. Apply Click Apply to save your changes to the swit ch’s run-time memory .
Chapter 16 Port Authentication GS-3012/GS-3012F User’s Guide 128.
GS-3012/GS- 3012F User’s Guid e 129 C HAPTER 17 Port Security This chapter shows you how to set up port security . 17.1 About Port Security Port security allows only packets w ith dynami cally learned MAC addresses and/or configured static MAC addresses to pass through a port on the switch.
Chapter 17 Port Secu rity GS-3012/GS-3012F User’s Guide 130 Figure 64 Port Security The following table describes the labels in this screen. T able 42 Port Security LABEL DESCRIPTION Active Select this check box to enable the port security feature on the sw itch.
Chapter 17 Port Security GS-3012/GS- 3012F User’s Guid e 131 Apply Click Apply to save your changes to the switch ’s run-time memory . The switch loses these changes if it is turned off or loses power , so use the Save link on the top navigation panel to save your changes to the non-volatile memory when you are done configuring.
Chapter 17 Port Secu rity GS-3012/GS-3012F User’s Guide 132.
GS-3012/GS- 3012F User’s Guid e 133 C HAPTER 18 Classifier This chapter introduces and shows you how to configure the packet cl assifier on the switch.
Chapter 18 Classifier GS-3012/GS-3012F User’s Guide 134 Figure 65 Classifier The following table describes the labels in this screen. T able 43 Classifier LABEL DESCRIPTION Active Select this optio n to enable this rul e. Name Enter a descriptive name for this rule for identifying purpose s.
Chapter 18 Classifier GS-3012/GS- 3012F User’s Guid e 135 Ethernet T ype Select an Ethernet type or select Others an d enter the Ethern et type number in hexadecimal value. Refer to T able 45 on page 136 for in formation. Source MAC Address Select Any to apply the rule to all MAC addresses.
Chapter 18 Classifier GS-3012/GS-3012F User’s Guide 136 18.3 V iewing and Editing Classifier Configuration T o view a summary of the classifier configuration, scroll down to th e summar y table at the bottom of the Clas sifier screen. T o change the settings of a rule, click a number in the Index field.
Chapter 18 Classifier GS-3012/GS- 3012F User’s Guid e 137 Some of the most common IP ports are: 18.4 Classifier Example The following figure shows an example where you configure a classifier that identifies all traffic from MAC address 00:50:ba:ad:4f:81 on port 2.
Chapter 18 Classifier GS-3012/GS-3012F User’s Guide 138 Figure 67 Classifier: Example.
GS-3012/GS- 3012F User’s Guid e 139 C HAPTER 19 Policy Rule This chapter shows you how to configure policy rules. 19.1 About Policy Rules A classifier distinguishes traffic into flows based on the configured criteria (refer to Chapter 18 on page 133 for more information).
Chapter 19 Policy Rule GS-3012/GS-3012F User’s Guide 140 19.2 Configuring Policy Rules " Y ou must first configur e a classifier in the Classifier screen. Refer to Chapter 18 on page 133 for more information. Click Advanced App lications and then Policy Rul e in the navigation panel to display the screen as shown.
Chapter 19 Policy Rule GS-3012/GS- 3012F User’s Guid e 141 The following table describes the labels in this screen. T able 47 Policy LABEL DESCRIPTION Active Select this option to enable the policy . Name Enter a descriptive name for identification purposes.
Chapter 19 Policy Rule GS-3012/GS-3012F User’s Guide 142 19.3 V iewing and Editing Policy Configuration T o view a summary of the classifier configuration, scroll down to th e summar y table at the bottom of the Policy screen. T o change the settings of a rule, click a number in the Index field.
Chapter 19 Policy Rule GS-3012/GS- 3012F User’s Guid e 143 The following table describes the labels in this screen. 19.4 Policy Example The figure below shows an example Policy screen where you configure a policy to limit bandwidth and discard out-of-band traffic on a traffic flow classified using the Exam ple classifier (refer to Section 18.
Chapter 19 Policy Rule GS-3012/GS-3012F User’s Guide 144 Figure 70 Policy Example.
GS-3012/GS- 3012F User’s Guid e 145 C HAPTER 20 Queuing Method This chapter introduces SPQ and WFQ. 20.1 Introduction to Queuing Queuing is used to help solve performance degradation when there is network congestion. Use the Queuing Method screen to configure queuing algorith ms for outgoing traf fic.
Chapter 20 Que uing Method GS-3012/GS-3012F User’s Guide 146 20.1.2 We ighted Round Robin Scheduling (WRR) Round Robin Scheduling services queues on a rotati ng basis and is activated only when a port has more traffic than it can handle. A queue is given an amou nt of bandwidth irrespective of the incoming traf fic on that port .
Chapter 20 Queuing Method GS-3012/GS- 3012F User’s Guid e 147 Figure 71 Queuing M ethod The following table describes the labels in this screen. T able 50 Queuing Method LABEL DESCRIPTION Port This label shows the port you are configuring. Method Select SPQ (S trict Priority Queuing) or WRR (Weighted Round Robin) scheduling.
Chapter 20 Que uing Method GS-3012/GS-3012F User’s Guide 148.
GS-3012/GS- 3012F User’s Guid e 149 C HAPTER 21 Multicast This chapter shows you how to conf igure various multicast features. 21.1 Multicast Overview T raditionally , IP packets are transmitted in one of either two ways - Unicast (1 sender to 1 recipient) or Broadcast (1 sender to everybod y on the network).
Chapter 21 Multicast GS-3012/GS-3012F User’s Guide 150 The switch forwards multicast traffic destined for multicast groups (that it has learned from IGMP snooping or that you have manually configured) to ports that are members of that group.
Chapter 21 Multicast GS-3012/GS- 3012F User’s Guid e 151 Figure 73 Multicast Setting The following table describes the labels in this screen. T able 52 Multicast Setting LABEL DESCRIPTION IGMP Snooping Active Select Active to enable IGMP snooping to forward group multicast traffic only to ports that are members of that group.
Chapter 21 Multicast GS-3012/GS-3012F User’s Guide 152 Unknown Multicast Fr ame S pecify the action to perform when th e switch receives an unknown multicast frame. Select Drop to discard the frame(s). Select Flooding to send the frame(s) to all ports.
Chapter 21 Multicast GS-3012/GS- 3012F User’s Guid e 153 21.4 IGMP Filtering Profile IGMP filter profiles allow you to control access to IGMP multicast groups.
Chapter 21 Multicast GS-3012/GS-3012F User’s Guide 154 21.5 MVR Overview Multicast VLAN Registration (MV R) is designed for applicatio ns (such as Media-on-Dem and (MoD)) that use multicast traffi c across an Ethe rnet ring-based servic e provider network.
Chapter 21 Multicast GS-3012/GS- 3012F User’s Guid e 155 In dynamic mode, the switch sends IGMP leave and join reports to th e other multicast devices (such as multicast routers or servers) in the mu lticast VLAN.
Chapter 21 Multicast GS-3012/GS-3012F User’s Guide 156 " Y our switch automatically creates a stat ic VLAN (with the same VID) when you create a multicast VLAN in this screen. Figure 77 MVR The following table describes the re lated labels in this screen.
Chapter 21 Multicast GS-3012/GS- 3012F User’s Guid e 157 21.7 MVR Group Configuration All source ports and receiver ports belonging to a multicast group can receive multicast data sent to this multicast group. Configure MVR IP multicast group address(es) in the Group Configuration screen.
Chapter 21 Multicast GS-3012/GS-3012F User’s Guide 158 " A port can belong to more than one multicast VLAN. However , IP multicast group addresses in different mult icast VLANs cannot overlap. Figure 78 MVR Group Configuration The following table describes the labels in this screen.
Chapter 21 Multicast GS-3012/GS- 3012F User’s Guid e 159 21.7.1 MVR Conf iguration Example The following figure shows a network example wh ere ports 1, 2 and 3 on the switch belong to VLAN 1.
Chapter 21 Multicast GS-3012/GS-3012F User’s Guide 160 T o set the switch to forward the multicast group traffic to the su bscribers, configure multicast group settings in the Gr oup Configuration sc reen. The following fi gure shows an example where two multicast groups ( News and Movie ) are configured for the multicast VLAN 200.
GS-3012/GS- 3012F User’s Guid e 161 C HAPTER 22 DHCP Relay This chapter describes the DHCP relay and shows you how to configure the DHCP Relay screen. 22.1 DHCP Relay Overview DHCP (Dynamic Host Configuration Protocol , RFC 2131 and RFC 2132) allows individual clients to obtain TCP/IP configuration at st a rt-up from a DHCP server .
Chapter 22 DHCP Relay GS-3012/GS-3012F User’s Guide 162 Figure 83 DHCP Relay The following table describes the labels in this screen. T able 56 DHCP R elay LABEL DESCRIPTION Active Select this check box to enable DHCP relay . Remote DHCP Server 1 ..
163 P ART IV S t atic Routing and Management Routing Protocol (165 ) Maintenance (167) Access Control (175) Diagnostic (187) Syslog (189) Cluster Managemen t (193) MAC T able (199) ARP T able (201) Co.
164.
GS-3012/GS- 3012F User’s Guid e 165 C HAPTER 23 Routing Protocol This chapter shows you how to configure the routing functions. 23.1 S tatic Route Overview Stat ic routes tell the switch how to forwar d IP traffic when you configure the TCP/IP parameters manually .
Chapter 23 Routing Protocol GS-3012/GS-3012F User’s Guide 166 V iew the current sta tic routes on the switch in the summary table at th e bottom of the screen. Figure 85 S tatic Routin g: Summary T able The following table describes the labels in the summary table.
GS-3012/GS- 3012F User’s Guid e 167 C HAPTER 24 Maintenance This chapter explains how to config ure the maintenance screens. The link s on the upper right of the Maintenance screen lead to different screens that let you maintain the firmware and configuration files.
Chapter 24 Maintenance GS-3012/GS-3012F User’s Guide 168 24.2 Load Factory Default s Press the Click Here button next to Load Factory Defaults to clear all switch configuration information you configured and return to the factory defaults. The following messa ge appears.
Chapter 24 Maintenance GS-3012/GS- 3012F User’s Guid e 169 Alternatively , click Save on the top right-hand corner in an y screen to save the configuration changes to the current configuration. " Clicking the Apply or Add button does NOT save the changes permanently .
Chapter 24 Maintenance GS-3012/GS-3012F User’s Guide 170 Figure 90 Firmware Upg rade T ype the path and file name of the firmware f ile you wish to upload to the switch in the File Path text box or click Br owse to locate it. After you have specified the file, click Upgrade .
Chapter 24 Maintenance GS-3012/GS- 3012F User’s Guid e 171 Figure 92 Backup Config uration Follow the steps below to back up the current switch configuration to your computer in this screen. 1 Click Backup . 2 Click Save to display the Save As screen.
Chapter 24 Maintenance GS-3012/GS-3012F User’s Guide 172 ZyNOS (ZyXEL Network Operating System someti mes referred to as the “ras” file) is the system firmware and has a “bin” filename extension. 24.8.1.1 Example FTP Commands ftp> put firmware.
Chapter 24 Maintenance GS-3012/GS- 3012F User’s Guid e 173 24.8.3 GUI-based FTP Clients The following table describes some of the commands that you may see in GUI-based FTP clients. 24.8.4 FTP Restrictions FTP will not work when: • FTP service is disabled in the Access Control screen.
Chapter 24 Maintenance GS-3012/GS-3012F User’s Guide 174.
GS-3012/GS- 3012F User’s Guid e 175 C HAPTER 25 Access Control This chapter describes how to control access to the switch. 25.1 About Access Control Click Advanced Application , Access Control from the navigation panel to display the screen as shown.
Chapter 25 Access Control GS-3012/GS-3012F User’s Guide 176 Figure 94 Console Port Priority 25.3 About SNMP Simple Network Management Protocol is a protocol used for exchanging management information between network switches. SNMP is a member of TCP/IP protoco l suite.
Chapter 25 Access Control GS-3012/GS- 3012F User’s Guid e 177 25.3.1 Supported MIBs MIBs let administrators collect statisti cs and monitor status and pe rformance.
Chapter 25 Access Control GS-3012/GS-3012F User’s Guide 178 Figure 96 Access Control: SNMP The following table describes the labels in this screen. 25.3.4 Setting Up Login Account s Up to five people (one ad ministrator and fo ur non-administrators) may access the switch via web configurator at any one time.
Chapter 25 Access Control GS-3012/GS- 3012F User’s Guid e 179 Click Access Control from the navigation panel and then click Logins from this screen. Figure 97 Access Control: Logins The following table describes the labels in this screen.
Chapter 25 Access Control GS-3012/GS-3012F User’s Guide 180 25.4 SSH Overview Unlike T elnet or FTP , which transmit data in clear text, SSH (Secure Shell) is a secure communication protoc ol that combines authenticatio n and data encryption to provide secure encrypted communication bet w een two hosts over an unsecured network.
Chapter 25 Access Control GS-3012/GS- 3012F User’s Guid e 181 25.6 SSH Implement ation Y our switch supports SSH versi ons 1 and 2 using RSA and DSA authentication and five encryption methods (AES, 3DES, RC4, Blowfish and CAST). The SSH ser ver is implemented on the switch for remote management and file tran sfer on port 22 (by default).
Chapter 25 Access Control GS-3012/GS-3012F User’s Guide 182 25.7.1 HTTPS Example If you haven’t changed the default HTTPS port on the switch, then in your browser enter “https://switch IP Address/” as the web site address where “switch IP Address” is the IP address or domain name of the switch you wish to access.
Chapter 25 Access Control GS-3012/GS- 3012F User’s Guid e 183 Figure 102 Security Certificate 1 (Net scape) Figure 103 Security Certificate 2 (Net scape) 25.7.4 Login Screen After you accept the certificate and login in , the switch main screen appears.
Chapter 25 Access Control GS-3012/GS-3012F User’s Guide 184 Figure 104 Example: Lock Denotin g a Secure Connectio n 25.8 Service Access Control Service access control allows you to decide wh at services you may us e to access the switch.
Chapter 25 Access Control GS-3012/GS- 3012F User’s Guid e 185 The following table describes th e fields in this screen. 25.9 Remote Management From the Access Control screen, display the Remote Management screen as shown next.
Chapter 25 Access Control GS-3012/GS-3012F User’s Guide 186 S tart Address End Address Configure the IP address range of tr usted computers from which you can manage this switch. The switch checks if the client IP addre ss of a computer requesting a service or protocol matches the range set here.
GS-3012/GS- 3012F User’s Guid e 187 C HAPTER 26 Diagnostic This chapter explains the Diagnostic screens. 26.1 Diagnostic Click Management and then Diagnos tic in the navigation panel to d isplay this screen. Use this screen to check system logs, ping IP ad dresses or perform loop back tests on a port.
Chapter 26 Diagnostic GS-3012/GS-3012F User’s Guide 188.
GS-3012/GS- 3012F User’s Guid e 189 C HAPTER 27 Syslog This chapter explains the syslog screens. 27.1 Syslog The syslog protocol allows devices to send event notification messages across an IP network to syslog servers that collect the event mes sages.
Chapter 27 Syslog GS-3012/GS-3012F User’s Guide 190 Figure 108 Syslog Setup The following table describes the labels in this screen. 27.3 Syslog Server Setup Click Management and then Syslog in the navigation panel to display the Syslog Setup screen.
Chapter 27 Sy slog GS-3012/GS- 3012F User’s Guid e 191 Figure 109 Syslog Server Setup The following table describes the labels in this screen. T able 72 Syslog Server Setup LABEL DESCRIPTION Active Select this check box to have the devic e send logs to this syslog server .
Chapter 27 Syslog GS-3012/GS-3012F User’s Guide 192.
GS-3012/GS- 3012F User’s Guid e 193 C HAPTER 28 Cluster Management This chapter introduces cluster management. 28.1 Introduction to Cluster Management Cluster Managemen t 2 allows you to manage switches through one switch, called the cluster manager .
Chapter 28 Cluster Management GS-3012/GS-3012F User’s Guide 194 28.2 Cluster Management S tatus Click Management in the navigation panel and then Cluster Management to display the following screen. Figure 1 1 1 Cluster Management S tatus The following table describes the labels in this screen.
Chapter 28 Cluster Management GS-3012/GS- 3012F User’s Guid e 195 Figure 1 12 Cluster Member Web Configuration Screen 28.2.1.1 Uploading Firm ware to a Cluster Member Switch Y ou can use FTP to upload firmwa re to a cluster member switch thr ough the cluster manager switch as shown in the following example.
Chapter 28 Cluster Management GS-3012/GS-3012F User’s Guide 196 28.3 Clustering Management Configuration Click Configuration from the Clu s ter Management screen to display the next screen.
Chapter 28 Cluster Management GS-3012/GS- 3012F User’s Guid e 197 The following table describes the labels in this screen. T able 76 Configuring Cluster Management LABEL DESCRIPTION Clustering Manager Active Select Active to ha ve this switch become the cluster manager switch.
Chapter 28 Cluster Management GS-3012/GS-3012F User’s Guide 198.
GS-3012/GS- 3012F User’s Guid e 199 C HAPTER 29 MAC Table This chapter introduces MAC T able. 29.1 Introduction to MAC T able The MAC table shows how frames are forwarded or filtered across the switch’ s ports.
Chapter 29 MAC Ta ble GS-3012/GS-3012F User’s Guide 200 29.2 V iewing MAC T able Click Management in the navigation panel and then MAC T able to display the following screen. The MAC T able can hold up to 16K entries. Figure 1 16 MAC T able The following table describes the labels in this screen.
GS-3012/GS- 3012F User’s Guid e 201 C HAPTER 30 ARP Table This chapter introduces the ARP T able. 30.1 Introduction to ARP T able Address Resolution Protocol (ARP) is a prot ocol for mapping an Internet Protocol address (IP address) to a physical machine address, al so known as a Media Access Control or MAC address, on the local area network.
Chapter 30 ARP Table GS-3012/GS-3012F User’s Guide 202 Figure 1 17 ARP T able The following table describes the labels in this screen. T able 78 ARP Table LABEL DESCRIPTION Index This is the ARP T able entry number . IP Address This is the learned IP address of a devic e connected to a switch port with corresponding MAC address below .
GS-3012/GS- 3012F User’s Guid e 203 C HAPTER 31 Configure Clone This chapter shows you how you can copy the settings of one port onto other ports. 31.1 Configure Clone Cloning allows you to co py the basic and advanced settings fro m a sour ce port to a destination port or ports.
Chapter 31 Config ure Clone GS-3012/GS-3012F User’s Guide 204 The following table describes the labels in this screen. T able 79 Configure Clone LABEL DESCRIPTION Source/ Destination Port Enter the source port under the Source label. This port’s attributes are copied.
205 P ART V Commands and T roubleshooting Introducing the Commands (207) Command Example s (239) IEEE 802.1Q T agged VLAN Commands (257) T roubleshooting (265).
206.
GS-3012/GS- 3012F User’s Guid e 207 C HAPTER 32 Introducing the Commands This chapter introduces th e commands and gives a summary of commands available. 32.1 Overview In addition to the web con figurator, you can us e line commands to conf igure the switch.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 208 " The switch automatically logs you out of the management in terface after five minutes of inactivity . If this happens to you, simply log back in again. 32.2.1 Access Priority • By default, the switch allows multiple concu rrent lo gins.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 209 1 For local management, connect yo ur computer to the RJ-45 management port (labeled MGMT ) on the switch. 2 Make sure your computer IP address and th e switch IP address are on the same subnet.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 210 32.5 Getting Help The system includes a help faci l ity to provide you with the following information about the commands: • List of available commands under a command group. • Detailed descriptions of the commands.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 21 1 Enter <command> ? to display detailed help inform ation about the sub commands and parameters. Figure 123 CLI Help: Det a iled Command Information: Example 1 Figure 124 CLI: Help: Deta iled Command Inf ormation: Exam ple 2 32.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 212 T o enter Enable (or privileged) mode, type enable and enter the administrator password when prompted (the defa ult is 1234). When you enter Enable mode, the comm and prompt changes to the pound sign ( # ).
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 213 32.8 Using Command History The switch keeps a list of commands you have entered for the current CLI session. Y ou can use any commands in the history again by press ing the up ( y ) or down ( z ) arrow key to scroll through the previously use d commands and press [ENT ER].
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 214 32.10 Command Summary The following sections summarize the commands available in the switch together with a bri e f description of each command. Comm ands listed in the tables are in alphabetical order .
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 215 32.10.2 Enable Mode The following table describes the co mmands available for Enable mode. T able 82 Command Summary: Enable Mode COMMAND DESCRIPTION PRIVILEGE baudrate <1|2|3|4|5> Changes the console port speed.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 216 interface port- channel <port- list> Resets to the factory default settings on a per port basis.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 217 reload config <index> Restart s th e system with the specified configuration fil e. 13 show alarm-status Displa ys alarm status and configuration. 13 classifier Displays all classifier related information.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 218 igmp-group- limited Displays IGMP group settings. 13 igmp-immediate- leave Displays IGMP immediate leave settings. 13 igmp-query-mode Displays IGMP query mode settings on the port( s).
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 219 <port-list> Displays port authentication settings on the specified port(s). 13 port-security Displays all port security settings. 1 3 <port-list> Displays port security settin gs on the specified port(s).
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 220 32.10.3 Configure Mode The following table lists the commands in Configuration (or Config) mode. system- information Displays general system information. 13 time Displays current system time and date.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 221 classifier <name> <[packet-format <802.3untag|802.3t ag| EtherIIuntag|Ether IItag>] [priority <0-7>] [v.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 222 helper-address <svr_ip> [svr2_ip] [svr3_ip] Sets the IP addresses of up to 3 DHCP servers. 13 information Allows the switch to add system name to agent information. 13 option Allows the switch to add DHCP relay agent information.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 223 unknown-multicast- frame <drop|flooding> Sets how to treat traffic from unknown multicast group. 13 interface port-channel <port-list> Enables a port or a list of ports for configuration.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 224 mac-forward name <name> mac <mac-addr> vlan <vlan-id> interface <interface-id> Configures a static MAC address forwarding rule.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 225 <name> inactive Enables a classifier . 1 3 cluster Disables cluster management on the switch. 13 member <mac- address> Removes the cluster member . 13 dhcp-relay Disables DHCP relay .
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 226 mrstp <tree-index> Disables the specified STP configuration. tree-index : 1 or 2 13 mrstp interface <port-list> Disab les the STP assignment from the specified port(s).
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 227 ssh Disables SSH (Secure Shell) server access to the switch. 13 telnet Disables telnet access to the switch. 13 snmp-server trap-destination <ip> Removes a configured trap destination IP address.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 228 password <password> Change the password for Enable mode. 14 policy <name> classifier <classifier-list> <[.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 229 <port-list> reauth-period <reauth-period> S pecifies how often a client has to re-enter the username and password to stay connected to the specified port(s). 13 port-security Enables port security on the switch.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 230 service- control ftp <socket- number> Allows FTP access on the specified service port. 13 http <socket- number> <timeout> Allows HTTP access on the specified service port and defines the timeout pe riod.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 231 server <ip> inactive Disables a syslog server entry . 13 level <0-7> Sets which severity level(s) of logs are sent to this syslog server . A lower number is more critical.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 232 32.10.4 config-vlan Commands The following table lists the vlan commands in configuration mode. T able 84 Command Summary: conf ig-vlan Commands COMMAND DESCRIPTION PRIVILEGE vlan <1-4094> Creates a ne w VLAN group.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 233 32.10.5 interface port-channel Commands The following table lists the interface port-channel commands in configuration mode.
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 234 egress set <port-list> Sets the outgoing traf fic port li st for a port-based VLAN. 13 exit Exits from the interface configuration command set. 13 flow-control Enables interface flow control.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 235 name <port-name- string> Sets a name for your interface. Enter a descriptive name (up to nine prin table ASCII characters). 13 no bandwidth-limit cir Disables CIR bandwidth limits on the port(s).
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 236 32.10.6 mvr Commands The following table lists the mvr commands in configuration mode. spq Sets the interface to use S trict Priority Queuing. 13 test Performs an interface loopback test.
Chapter 32 Intro ducing the Comma nds GS-3012/GS- 3012F User’s Guid e 237 receiver-port <port- list> Sets the receiver port(s). An MVR receiver port can only receive multicast traffic in a multicast VLAN. 13 source-port <port- list> Sets the source port(s).
Chapter 32 Introd ucing the Co mmands GS-3012/GS-3012F User’s Guide 238.
GS-3012/GS- 3012F User’s Guid e 239 C HAPTER 33 Command Examples This chapter describes some commands in more detail. 33.1 Overview These are commands that you may use fre quently in maintaining your switch. 33.2 show Commands These are the commonly used show commands.
Chapter 33 Comm and Examples GS-3012/GS-3012F User’s Guide 240 33.2.2 show hardware-monito r Syntax: show hardware-monitor [c|f] This command displays the current hardware stat us (such as temperature and voltage levels). Figure 128 how hardware -monitor Command Example 33.
Chapter 33 Command Exampl es GS-3012/GS- 3012F User’s Guid e 241 33.2.4 show logging " This command is not av ailable in User mode. Syntax: show logging This command displays the system logs.
Chapter 33 Comm and Examples GS-3012/GS-3012F User’s Guide 242 Figure 131 show interface Command Examp le 33.2.6 show mac address-table Syntax: show mac address-table <all <sort>|s tatic> This command displays the MAC address(es) st ored in the switch.
Chapter 33 Command Exampl es GS-3012/GS- 3012F User’s Guid e 243 Figure 132 show mac address-t able Command Example 33.3 ping Syntax: ping <ip> < [in-band|out-of-band|vla n <vlan-id> ] [ size <0-8024> ] [ -t ]> This command sends Ping packets to an Ethe rnet device.
Chapter 33 Comm and Examples GS-3012/GS-3012F User’s Guide 244 This command displays information about the route to an Ethernet device. The following example displays route informatio n to an Ethernet device with an IP address of 192.168.1.100 . Figure 134 traceroute C ommand Exam ple 33.
Chapter 33 Command Exampl es GS-3012/GS- 3012F User’s Guid e 245 This command backs up the cu rrent configuration file on a TFTP server . The following example backs up the current configuration to a file ( test.cfg ) on the TFTP server ( 172.23.19.
Chapter 33 Comm and Examples GS-3012/GS-3012F User’s Guide 246 33.6.3 Using a Different Configuration File Y ou can store up to two configuration files on th e switch. Only one configuration file is used at a time. By default the switch uses the first configuration file (with an index number of 1).
Chapter 33 Command Exampl es GS-3012/GS- 3012F User’s Guid e 247 33.7 Example no Commands These are the commonly used comma nd examples that belong to th e “ no ” group of commands. 33.7.1 no mirror-port Syntax: no mirror-port Disables port mirroring on the sw itch.
Chapter 33 Comm and Examples GS-3012/GS-3012F User’s Guide 248 33.7.3 no port-access-authenticator Syntax: no port-access-authenticator no port-access-authenticator <port-list> reauthenticate no port-access-authenticator <port-list> An example is shown next.
Chapter 33 Command Exampl es GS-3012/GS- 3012F User’s Guid e 249 • Remove the remote host with IP address 172.165.1.9 and with an SSH-RSA encryption key from the list of known h osts. Figure 144 no ssh Command Example 33.8 interface Commands These are some commonly used commands that belong to the interfa ce group of commands.
Chapter 33 Comm and Examples GS-3012/GS-3012F User’s Guide 250 • Enable ports one, three, four an d five for configuration. • Set the BPDU control to tunnel, to forward BPDUs received on ports one, three, four and five. Figure 146 interface bpdu-contr ol Command Example 33.
Chapter 33 Command Exampl es GS-3012/GS- 3012F User’s Guid e 251 • Enable port one for config uration. • Enable bandwidth contro l. • Set the outgoing traffic bandwidth limit to 5000Kbps. • Set the guaranteed bandwidth allowe d for incoming traffic to 4000Kbps.
Chapter 33 Comm and Examples GS-3012/GS-3012F User’s Guide 252 GVRP (GARP VLAN Registratio n Protocol) is a registration protocol that defines a way for switches to register necessary VLAN members on ports across the network. Enable this function to permit VLANs grou ps beyond the local switch.
Chapter 33 Command Exampl es GS-3012/GS- 3012F User’s Guid e 253 33.8.9 weight Syntax: weight <wt1> <wt2> ... <wt8> An example is shown next. • Enable port two and p o rts six to eight for configuration. • Set the queue weights from Q0 to Q7.
Chapter 33 Comm and Examples GS-3012/GS-3012F User’s Guide 254 An example is shown next. • Enable ports one, three, four an d five for configuration. • Set the IEEE 802.1p quality of service priority as four (4). Figure 155 qos priority Comm and Example 33.
Chapter 33 Command Exampl es GS-3012/GS- 3012F User’s Guid e 255 Figure 157 speed-duplex Co mmand Example sysname(config)# interface port-chan nel 1,3-5 sysname(config-interface)# speed-dup lex 10-h.
Chapter 33 Comm and Examples GS-3012/GS-3012F User’s Guide 256.
GS-3012/GS- 3012F User’s Guid e 257 C HAPTER 34 IEEE 802.1Q Tagged VLAN Commands This chapter describes the IEEE 802.1Q T agged VLAN and associated commands.
Chapter 34 IEEE 802.1Q Tagged VLAN Co mmands GS-3012/GS-3012F User’s Guide 258 34.3 Configuring T agged VLAN The following procedur e shows you how to configure tagged VLAN. 1 Use the IEEE 802.1Q tagged VLAN comman ds to configure tagged VLAN for the switch.
Chapter 34 IEEE 802.1Q Tagged VLAN Commands GS-3012/GS- 3012F User’s Guid e 259 34.4.1 GARP St atus Syntax: show garp This command shows the switch’ s GARP timer se ttings, including the join, leave and leave all timers. An example is shown next. Figure 160 garp st atus Command Example 34.
Chapter 34 IEEE 802.1Q Tagged VLAN Co mmands GS-3012/GS-3012F User’s Guide 260 34.4.3 Show GVRP Syntax: show vlan1q gvrp This command shows the switch’ s GVRP settings.
Chapter 34 IEEE 802.1Q Tagged VLAN Commands GS-3012/GS- 3012F User’s Guid e 261 Figure 162 port default vid Command Example 34.5.2 Set Accept able Frame T ype Syntax: frame-type <all|tagged> This command sets the specified port to accept all Ethernet frames or only those with an IEEE 802.
Chapter 34 IEEE 802.1Q Tagged VLAN Co mmands GS-3012/GS-3012F User’s Guide 262 Syntax: vlan <vlan-id> fixed <port-list> forbidden <port-list> name <name-str> normal <port-.
Chapter 34 IEEE 802.1Q Tagged VLAN Commands GS-3012/GS- 3012F User’s Guid e 263 Unt agged Frames 1 An untagged frame co mes in from the LAN. 2 The switch checks the PVID table and assigns a tempora ry VID of 1. 3 The switch ignores the port from which th e frame came, because the switch does not send a frame to the port from which it came.
Chapter 34 IEEE 802.1Q Tagged VLAN Co mmands GS-3012/GS-3012F User’s Guide 264 An example is shown next. For the AdCtl section of the last column, “-“ is a port set to normal, “x” is a forbidden port and “F” is a fixed port. For the TagCtl section of the last column, “T“ is a tagged port, “U ” is an untagged port.
GS-3012/GS- 3012F User’s Guid e 265 C HAPTER 35 Troubleshooting This chapter covers potential problems and possible remedies. V Problems S t arting Up the Switch V Problems Accessing the Switch T able 87 Troubleshooting the Start-Up of Yo ur Switch PROBLEM CORRECTIVE ACTION None of the LEDs turn on when you turn on the switch.
Chapter 35 Trou bleshooting GS-3012/GS-3012F User’s Guide 266 V Problems with the Password T able 89 Troubleshooting the Password PROBLEM CORR ECTIVE ACTION Cannot access the switch. The password field is case sensitive. Make sure that you enter the correct password using the proper casing.
267 P ART VI Appendices and Index Product Specification s (269) Browser Setup (273) IP Addresses and Subnetting (279) Legal Information (287) Customer Support (291) Index (295).
268.
GS-3012/GS- 3012F User’s Guid e 269 A PPENDIX A Product S pecifications These are the GS-3012 and GS-3012F produ ct specifications. T able 90 General Product Specifications S tandards IEEE802.3 10BASE-T Ethe rnet (twisted-pair copper) IEEE802.3u 100BASE-TX Fast Et hernet (twisted-pair copper) ANSI/IEEE802.
Appendix A Product Specifications GS-3012/GS-3012F User’s Guide 270 T able 91 Performance and Management Specifications Back plane 12.8 Gbps Packet Forwarding Rate 148800 PPS for 100BASE-TX 1488000P.
Appendix A Product Specifications GS-3012/GS- 3012F User’s Guid e 271 . T able 92 Physical an d Environmen tal Specifications Weight GS-3012 Main switch: 4 Kg GS-3012F Main switch: 3.
Appendix A Product Specifications GS-3012/GS-3012F User’s Guide 272 Classifier and Policy Y ou can create a policy to define acti ons to be performed on a traffic flow group ed by a classifier according to specific criteria such as the IP addr ess, port number or protoc ol type, etc.
GS-3012/GS- 3012F User’s Guid e 273 A PPENDIX B Browser Setup This appendix helps you co nfigure your browser for wo rking with the web configurato r . Pop-up Windows, JavaScript s and Java Permissions In order to use the web configurator you need to allow: • W eb browser pop-up windows fro m your device.
Appendix B Browser Setu p GS-3012/GS-3012F User’s Guide 274 1 In Internet Explorer , select To o l s , Internet Options , Privacy . 2 Clear the Block pop-ups check box in the Pop-up Block e r section of the screen. This disables any web po p-up blockers you ma y have enabled.
Appendix B Browser Setup GS-3012/GS- 3012F User’s Guid e 275 Figure 170 Internet Options 3 T ype the IP address of your device (the web page that you do not want to have blocked) with the prefix “http://”. For example, http://192.168.1.1. 4 Click Add to move the IP address to the list of Allowed sites .
Appendix B Browser Setu p GS-3012/GS-3012F User’s Guide 276 5 Click Close to return to the Privacy screen. 6 Click Apply to save this setting. JavaScript s If pages of the web configura tor do not display properly in Internet Explorer , check that JavaScripts are allowed.
Appendix B Browser Setup GS-3012/GS- 3012F User’s Guid e 277 Figure 173 Security Settings - Java Scripting Java Permissions 1 From Internet Explorer , click To o l s , Internet Options and then the Security tab. 2 Click the Custom Level... button. 3 Scroll down to Microsoft VM .
Appendix B Browser Setu p GS-3012/GS-3012F User’s Guide 278 JA V A (Sun) 1 From Internet Explorer , click To o l s , Internet Options and then the Advanced tab. 2 make sure that Use Java 2 for <applet> u nder Ja va (Sun) is selected. 3 Click OK to clos e the window .
GS-3012/GS- 3012F User’s Guid e 279 A PPENDIX C IP Addresses and Subnetting This appendix introduces IP addresses and subnet masks. IP addresses identify ind ividual devices on a network. Every networking device (includin g computers, servers, routers, printe rs, etc.
Appendix C IP Addresses and Subnetting GS-3012/GS-3012F User’s Guide 280 Figure 176 Network Number and Host ID How much of the IP address is the network number and how much is the host ID varies according to the s ubnet mask.
Appendix C IP Addresses and Subnetting GS-3012/GS- 3012F User’s Guid e 281 Subnet masks are expressed in dotted decimal no tation just like IP addresses. The follow ing examples show the binary and decimal not ation for 8-bit, 16-bit, 24-bit an d 29-bit subnet masks.
Appendix C IP Addresses and Subnetting GS-3012/GS-3012F User’s Guide 282 Subnetting Y ou can use subnetting to divide one network into multiple sub-networks. In the following example a network administrator creates two sub-networks to isolate a group of servers from the rest of the c ompany network for security reasons.
Appendix C IP Addresses and Subnetting GS-3012/GS- 3012F User’s Guid e 283 Figure 178 Subnetting Example: Af ter Subnetting In a 25-bit subnet the host ID has 7 bits , so each sub-network has a maximum of 2 7 – 2 or 126 possible hosts (a host ID of all zeroes is the subnet’ s address itself, all ones is the subnet’ s broadcast address).
Appendix C IP Addresses and Subnetting GS-3012/GS-3012F User’s Guide 284 Example: Eight Subnet s Similarly , use a 27-bit mask to create eight subnets (000, 001, 010, 01 1, 100, 101, 1 10 and 111 ) . The following table shows IP address last octet values for each subnet.
Appendix C IP Addresses and Subnetting GS-3012/GS- 3012F User’s Guid e 285 Subnet Planning The following table is a summary for su bnet planning on a network with a 24-bit network number . The following table is a summary for su bnet planning on a network with a 16-bit network number .
Appendix C IP Addresses and Subnetting GS-3012/GS-3012F User’s Guide 286 Configuring IP Addresses Where you obtain your netwo rk number depends on yo ur particular situation. If the ISP or your network administrator assigns yo u a bloc k of registered IP addresses, follow their instructions in selecting the IP addresses and the subnet mask.
GS-3012/GS- 3012F User’s Guid e 287 A PPENDIX D Legal Information Copyright Copyright © 2006 by ZyXEL Communications Corporation. The contents of this publication may not be reprod uced in any part.
Appendix D Legal Info rmation GS-3012/GS-3012F User’s Guide 288 FCC W arning This device has been tested and foun d to comply with the limits for a Class A digital switch, pursuant to Part 15 of the FCC Rules. Thes e limits are designed to provide reasonable protection against harmful interference in a co mmercial environment.
Appendix D Legal Infor mation GS-3012/GS- 3012F User’s Guid e 289 condition. Any replacement will consist of a ne w or re-manufactured f unctionally equivalent product of equal or higher value, and will be so lely at the discretion of ZyXEL.
Appendix D Legal Info rmation GS-3012/GS-3012F User’s Guide 290.
GS-3012/GS- 3012F User’s Guid e 291 A PPENDIX E Customer Support Please have the following information r eady when you contact customer support. Required Information • Product model and serial number . • W arranty Information. • Date that you received your de vice.
Appendix E Customer Support GS-3012/GS-3012F User’s Guide 292 Denmark • Support E-mail: support@zyxel.dk • Sales E-mail: sales@zyxel.dk • T elephone: +45-39-55-07-00 • Fax: +45-39-55-07-07 • W eb Site: www .
Appendix E Customer Support GS-3012/GS- 3012F User’s Guid e 293 • T elephone: +7-3272-590-698 • Fax: +7-327 2-590-689 • W eb Site: www .zyxel.kz • Re g u la r Ma i l : ZyXEL Kazakhstan, 43, Dostyk ave.,Office 414, Dost yk Business Centre, 050010, Almaty , Republic of Kazakhstan North America • Support E-mail: support@zyxel.
Appendix E Customer Support GS-3012/GS-3012F User’s Guide 294 • W eb Site: www .zyxel.es • Re g ul a r M a il : ZyXEL Communications, Arte, 21 5ª planta, 28033 Madrid, Spain Sweden • Support E-mail: support@zyxel.se • Sales E-mail: sales@zyxel.
Index GS-3012/GS- 3012F User’s Guid e 295 Index Numerics 802.1Q VLAN type 76 A acceptable frame type 90 access control 175 address learning 130 Address Resolution Protocol (ARP) 201 aging time 76 ai.
Index GS-3012/GS-3012F User’s Guide 296 D data buffer 270 Daytime (RFC 867) 74 default Ethernet settings 45 default IP address 47 Destination Lookup Fa ilure (DLF) 11 5 DHCP 161 diagnostics 187 Diff.
Index GS-3012/GS- 3012F User’s Guid e 297 rack-mounting 40 transceivers 46 installation scenarios 39 Internet Assigned Nu mbers Authority , See also IANA 286 IP address 79 IP interface 77 IP Ports 1.
Index GS-3012/GS-3012F User’s Guide 298 passwor d default 53 PHB (Per-Hop Behavior) 139 ping 187 policy actions 141 example 143 metering 141 view summary 142 policy rules 139 port authentication and.
Index GS-3012/GS- 3012F User’s Guid e 299 SNMP (Simple Network Manageme nt Protocol) 176 SNMP traps 177 source MAC address 102 S panning T ree Protocol (STP) 103 speed/duplex 81 SSH (Secure Shell) 1.
Index GS-3012/GS-3012F User’s Guide 300 ID (VID) 257 implicit tagging 257 introduction 75 port-based 93 priority frame 85 registration information 257 tag control 86 tagged VLAN 85 type 87 types of .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il ZyXEL Communications GS-3012F Series è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del ZyXEL Communications GS-3012F Series - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso ZyXEL Communications GS-3012F Series imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul ZyXEL Communications GS-3012F Series ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il ZyXEL Communications GS-3012F Series, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del ZyXEL Communications GS-3012F Series.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il ZyXEL Communications GS-3012F Series. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo ZyXEL Communications GS-3012F Series insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
