Manuale d’uso / di manutenzione del prodotto 470 del fabbricante Panasonic
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Nor tel Ether net Switch 460/470 Configur ation — System Monitor ing A TTENTION Clicking on a PDF h yperlink takes you to the appropriate page. If necessary , scroll up or down the page to see the beginning of the ref erenced section. NN47210-503 (217107-B) .
Document status: Standard Document version: 01.01 Document date: 22 February 2007 Copyright © 2005-2007, Nor tel Netw orks All Rights Reser v ed. The inf ormation in this document is subject to change without notice .
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5 Re vision History Version Reason for revision 01.01 Updated software and document references for Release 3.7 software. Nor tel Ether net Switch 460/470 Configuration — System Monitoring NN47210-503 01.01 Standard 3.7 22 February 2007 Copyright © 2005-2007, Nor tel Networks Nor tel Networks Confidential .
6 Revision History Nor tel Ether net Switch 460/470 Configuration — System Monitoring NN47210-503 01.01 Standard 3.7 22 February 2007 Copyright © 2005-2007, Nor tel Networks Nor tel Networks Confidential .
7 Contents Preface 11 About this guide 11 Network management tools and interfaces 11 Before y ou begin 12 T ext conv entions 12 Related publications 13 Obtaining technical assistance 14 Chapter 1 Netw.
8 Contents Displaying port statistics 41 show por t-statistics command 42 clear-stats command 43 Chapter 3 Configuring network monitoring using Device Manager 45 System Log Settings tab 45 Remote Sys.
Contents 9 Creating a histor y 92 Disabling history 94 Viewing RMON history statistics 94 Enabling Ethernet statistics gather ing 96 Disabling Ethernet statistics gathering 98 RMON Alarms 98 How RMON .
10 Contents Nor tel Ether net Switch 460/470 Configuration — System Monitoring NN47210-503 01.01 Standard 3.7 22 February 2007 Copyright © 2005-2007, Nor tel Networks Nor tel Networks Confidential .
11 Preface About this guide This guide provides inf or mation about system logging, displaying system statistics, and configuring network monitor ing on the Nor tel Ether net Switch 460 and Nor tel Ether net Switch 470.
12 Preface Y ou can use any generic SNMP-based netw ork management software to configure and manage Ethernet Switches 460 and 470. • T elnet T elnet allows y ou to access the CLI and CI men u and screens locally using an in-band T elnet session.
Related publications 13 Example: If the command syntax is http-server {enable | disable} the options are enable or disable . brackets ([ ]) Indicate optional elements in syntax descriptions. Do not type the brackets when entering the command. Example: If the command syntax is show ip [bootp] , you can enter either show ip or show ip bootp.
14 Preface • Nor tel Ether net Switch 460/470 Configuration — Quality of Ser vice and IP Filtering (NN47210-502) • Nor tel Ether net Switch 460/470 Configuration — IP Multicast Routing Proto.
15 Chapter 1 Netw ork monitoring The Ethernet Switches 460 and 470 pro vide f eatures that allow y ou to monitor your network, displa y s witch statistics, and log system ev ents.
16 Chapter 1 Network monitor ing è Choose Displa y System Log (or type y) from the main menu. Figure 1 System Log screen Displaying most recent log entry first This option allows you to view the system log with the most recent entr y displa yed first; the rest of the log entries are listed in re v erse chronological order .
P ort mirror ing 17 Field Description Display configuration complete? This field allows you to determine whether the configuration information received from non-volatile or dynamic memory (depending on what is selected in the Display Messages From field) is complete.
18 Chapter 1 Network monitor ing P ort-based mirr oring configuration Figure 2 "P or t-based mirror ing configuration example" (page 18) shows an e xample of a por t-based mirror ing configuration where por t 23 is designated as the monitor por t f or por ts 24 and 25 of Switch S1.
P ort mirror ing 19 • Monitor all traffic received b y por t X or transmitted by por t Y . • Monitor all traffic receiv ed b y por t X (destined to por t Y) and then transmitted b y por t Y . • Monitor all traffic received/transmitted by por t X and transmitted/receiv ed by port Y (con versations betw een por t X and por t Y).
20 Chapter 1 Network monitor ing Figure 4 Address-based mirr oring configuration example In this configuration, the designated monitor por t (por t 23) can be set to monitor traffic in any of the follo wing modes: • Monitor all traffic transmitted from address A to any address.
P ort mirror ing 21 Note: The screen data displa yed at the bottom of the screen changes to show the ne w currently active por t mirror ing configuration after yo u press Enter .
22 Chapter 1 Network monitor ing • VLAN configuration settings f or any por ts configured f or por t-based mirroring cannot be changed. Use the P or t Mirror ing Configuration screen to disable por t mirror ing (or reconfigure the por t mirroring por ts), then change the VLAN configuration settings.
P ort mirror ing 23 T able 2 "P ort Mirroring Configuration screen fields" (page 23) describes the P or t Mirror ing Configuration screen fields.
24 Chapter 1 Network monitor ing Field Description Indicates the MAC addresses that is monitored by the designated port monitor when one of the address-based monitoring modes is selected. This port is monitored according to the value of Address A in the selected Monitoring Mode field (see Table 3 "Monitoring modes" (page 24) ).
P ort Statistics screen 25 Field Description <-> Port X and Port Y <-> Monitor all traffic received/transmitted by Port X and received/transmitted by Port Y. Note: Do not use this mode for broadcast or multicast traffic Address-based: Disabled Default value for this feature.
26 Chapter 1 Network monitor ing Figure 7 P ort statistics screen T able 4 "P or t Statistics screen fields" (page 26) descr ibes the P or t Statistics screen fields. Ta b l e 4 P ort Statistics screen fields Field Description Port Allows you to select the number of the port you want to view or reset to zero.
P ort Statistics screen 27 Field Description Broadcasts Received column: Indicates the total number of good broadcast packets received on this port. Transmitted column: Indicates the total number of broadcast packets transmitted successfully on this port.
28 Chapter 1 Network monitor ing Field Description 512-1023 bytes Received column: Indicates the total number of 512-byte to 1023-byte packets received on this port. Transmitted column: Indicates the total number of 512-byte to 1023-byte packets transmitted successfully on this port.
P ort Statistics screen 29 Field Description The following field values appear only when the port selected in the Unit/Port field is configured with a GBIC. Pause Frames Transmitted column: Indicates the total number of pause frames transmitted on this port.
30 Chapter 1 Network monitor ing Nor tel Ether net Switch 460/470 Configuration — System Monitoring NN47210-503 01.01 Standard 3.7 22 February 2007 Copyright © 2005-2007, Nor tel Networks Nor tel Networks Confidential .
31 Chapter 2 Configuring netw ork monitoring using CLI Y ou can configure network monitoring features and displa y s witch statistics using the CLI. This chapter contains inf or mation on the f ollo.
32 Chapter 2 Configur ing network monitoring using CLI T able 5 "show logging command parameters and variab les" (page 32) describes the par ameters and variables f or show logging command. Ta b l e 5 show logging command parameters and v ariables Parameters and variables Description config Displays configuration log messages.
Setting the system ev ent log 33 T able 6 "logging command parameters and variab les" (page 33) describes the parameters and v ariables f or the logging command. Ta b l e 6 logging command parameters and variab les Parameters and variables Description enable | disable Enables or disables the event log (default is enabled).
34 Chapter 2 Configur ing network monitoring using CLI Parameters and variables Description level critical | serious | informational Specifies the level of logging stored in DRAM. nv-level critical | serious | informational | none Specifies the level of logging stored in NVRAM.
Enabling remote logging 35 T able 8 "clear logging command parameters and values" (page 35) shows the parameters and values f or the clear logging command. Ta b l e 8 clear log ging command parameters and values Parameters and values Description nv Clears all log messages in both DRAM and non-volatile memory (NVRAM).
36 Chapter 2 Configur ing network monitoring using CLI T able 9 "show logging command parameters and variab les" (page 36) describes the parameters and variables f or the show logging command. Ta b l e 9 show logging command parameters and v ariables Parameters and variables Description config Displays the configuration of event logging.
Enabling remote logging 37 no logging remote enable command The no logging remote enable command disab les sending syslog messages to a remote ser ver . The syntax for the no logging remote enable command is: no logging remote enable The no remote logging enable command is in the config command mode.
38 Chapter 2 Configur ing network monitoring using CLI The no logging remote address command has no parameters or variab les. logging remote level command The logging remote level command sets the se verity le vel of the logs you send to the remote ser ver .
Using por t mirroring 39 default logging remote level command The default logging remote level command sets the sev erity lev el of the logs you send to the remote ser ver to the def ault v alue, which is None.
40 Chapter 2 Configur ing network monitoring using CLI port-mirroring command The port-mirroring command sets the por t mirroring configuration. The syntax of the port-mirroring command is: port-mir.
Displaying port statistics 41 Parameters and variables Description Xtx Mirror packets transmitted on port X. XrxOrXtx Mirror packets received or transmitted on port X. XrxYtx Mirror packets received on port X and transmitted on port Y. Note: Do not use this mode for mirroring broadcast and multicast traffic.
42 Chapter 2 Configur ing network monitoring using CLI show port-statistics command The show port-statistics command displa ys the statistics f or the por t on both received and transmitted traffic.
Displaying port statistics 43 Figure 11 show port-statistics command output clear-stats command The clear-stats command clears all statistical inf or mation for the specified por t.
44 Chapter 2 Configur ing network monitoring using CLI T able 14 "clear-stats command parameters and variables" (page 44) describes the parameters and variables f or the clear-stats command.
45 Chapter 3 Configuring netw ork monitoring using De vice Manager Y ou can use the De vice Manager to configure system logging and to display chassis and por t statistics for the Ethernet Switches 460 and 470.
46 Chapter 3 Configuring network monitor ing using Device Manager Figure 12 System Log Settings tab —End— T able 15 "System Log Settings tab items" (page 46) descr ibes the System Log Settings tab items.
Remote System Log tab 47 Items Description Volatile CurrSize The current number of log messages in the volatile portion of the system log message facility. Messages that are classified as volatile are lost upon system re-initialization. Volatile Save Targets Specifies the type of log messages to be saved in the log message buffer facilities.
48 Chapter 3 Configuring network monitor ing using Device Manager Step Action 1 F rom the De vice Manager menu bar , select Edit > Diagnostics > System Log. The SysLog dialog box opens with the System Log Settings tab displa yed. 2 Click the Remote System Log tab .
Graphing chassis statistics 49 Items Description • Critical/Serious/Informational - Causes all log messages are sent to the remote syslog server • None - Specifies that no log messages are sent to the remote syslog server. Graphing chassis statistics T o graph chassis statistics: Step Action 1 Select the chassis.
50 Chapter 3 Configuring network monitor ing using Device Manager The Graph Chassis dialog box opens with the SNMP tab displa yed ( Figure 14 "Graph Chassis dialog bo x -- Chassis SNMP tab" (page 50) ). Figure 14 Graph Chassis dialog box -- Chassis SNMP tab 2 Click the IP tab .
Graphing chassis statistics 51 Figure 15 Graph Chassis dialog box -- IP tab —End— T able 17 "Chassis IP tab fields" (page 51) descr ibes the Chassis IP tab fields. Ta b l e 1 7 Chassis IP tab fields Field Description InReceives The total number of input datagrams received from interfaces, including those received in error.
52 Chapter 3 Configuring network monitor ing using Device Manager Field Description ForwDatagrams The number of input datagrams for which this entity was not their final IP destination, as a result of which an attempt was made to find a route to forward them to that final destination.
Graphing chassis statistics 53 Field Description FragCreates The number of IP datagram fragments generated as a result of fragmentation at this entity. ReasmReqds The number of IP fragments received that needed to be reassembled at this entity. ReasmOKs The number of IP datagrams successfully reassembled.
54 Chapter 3 Configuring network monitor ing using Device Manager —End— T able 18 "ICMP In tab fields" (page 54) describes the ICMP In tab fields. Ta b l e 1 8 ICMP In tab fields Field Description SrcQuenchs The number of ICMP Source Quench messages received.
Graphing chassis statistics 55 The ICMP Out tab opens ( Figure 17 "Graph Chassis dialog bo x -- ICMP Out tab" (page 55) ). Figure 17 Graph Chassis dialog bo x -- ICMP Out tab —End— T able 19 "ICMP Out tab fields" (page 55) descr ibes the ICMP Out tab fields .
56 Chapter 3 Configuring network monitor ing using Device Manager Field Description DestUnreachs The number of ICMP Destination Unreachable messages sent. TimeExcds The number of ICMP Time Exceeded messages sent. Graphing port statistics Y ou can graph statistics f or either a single por t or multiple por ts from the graphP or t dialog bo x.
Graphing port statistics 57 The graphP or t dialog bo x for a single por t or f or multiple por ts opens with the Interf ace tab displa yed. Note: Some statistics are av ailab le only when y ou graph a single por t. Interface tab for graphing por ts The Interf ace tab shows interf ace parameters for gr aphing a por t or por ts.
58 Chapter 3 Configuring network monitor ing using Device Manager T able 20 "P or t Interface tab fields for multiple por ts" (page 58) descr ibes the Interf ace tab fields for g raphing por ts.
Graphing port statistics 59 Field Description OutErrors For packet-oriented interfaces, the number of outbound packets that were not transmitted because of errors. For character-oriented or fixed-length interfaces, the number of outbound transmission units that could not be transmitted because of errors.
60 Chapter 3 Configuring network monitor ing using Device Manager Figure 19 Graph P ort dialog box -- P ort Ethernet Error s tab —End— T able 21 "Ethernet Errors tab fields" (page 60) describes the P or t Ether net Errors tab fields.
Graphing port statistics 61 Field Description InternalMacReceiveErro rs A count of frames for which reception on a particular interface fails due to an internal MAC sublayer receive error.
62 Chapter 3 Configuring network monitor ing using Device Manager Field Description SingleCollisionFrames A count of successfully transmitted frames on a particular interface for which transmission is inhibited by exactly one collision.
Graphing port statistics 63 2 Do one of the follo wing: • F rom the De vice Manager main menu, choose Graph > P or t. • F rom the shor tcut menu, choose Graph. • On the toolbar , click Graph. The P or t dialog bo x f or a single por t or f or multiple por ts opens with the Interf ace tab displa y ed.
64 Chapter 3 Configuring network monitor ing using Device Manager Field Description OutFrames The number of frames received by this port from its segment. InDiscards Count of valid frames received that were discarded (filtered) by the Forwarding Process.
65 Chapter 4 Configuring netw ork monitoring using W eb-based mana g ement Y ou can configure network monitor ing f eatures using Web-based management.
66 Chapter 4 Configuring network monitor ing using W eb-based management Figure 21 System Log page T able 23 "System Log page fields" (page 66) describes the fields on the System Log page. Ta b l e 2 3 System Log page fields Section Item Range Description Display Unit 1.
Configuring por t mirror ing 67 Section Item Range Description Index The number of the event. Time Stamp The time, in hundreths of a second, between system initialization and the time the log messages entered the system. Message Type The type of message.
68 Chapter 4 Configuring network monitor ing using W eb-based management The P ort Mirror ing page opens ( Figure 22 "P ort Mirroring page" (page 68) ).
Configuring por t mirror ing 69 Item Range Description MAC addresses to monitor, see Table 26 "Address-based monitoring modes" (page 71) . The default setting is Disabled. Port-based monitoring Monitor Port 1..24 Choose the switch port to designate as the monitor port.
70 Chapter 4 Configuring network monitor ing using W eb-based management T able 25 "P or t-based monitoring modes" (page 70) descr ibes the por t-based monitor ing modes. Ta b l e 2 5 P ort-based monitoring modes Item Description Disabled Choose this option to disable port-based monitoring.
Viewing system statistics 71 T able 26 "Address-based monitoring modes" (page 71) describes the address-based monitoring modes. Ta b l e 2 6 Address-based monitoring modes Item Description Disabled Choose this option to disable port-based monitoring.
72 Chapter 4 Configuring network monitor ing using W eb-based management Step Action 1 F rom the main menu, choose Statistics > P or t. The P or t page opens ( Figure 23 "P or t page" (page 72) ). Figure 23 Po r t p a g e T able 27 "P or t page items" (page 72) descr ibes the items on the P or t page.
Viewing system statistics 73 Section Item Description Lost Packets The number of packets discarded on this port when the capacity of the port transmit buffer was exceeded. Packets = 64 bytes The number of packets this size received/transmitted successfully on this port.
74 Chapter 4 Configuring network monitor ing using W eb-based management Section Item Description Multiple Collisions The number of packets transmitted successfully on this port after more than one collision. Excessive Collisions The number of packets lost on this port due to excessive collisions.
Viewing system statistics 75 Figure 24 P ort Error Summary page T able 28 "P or t Error Summary T able fields" (page 75) describes the read-only inf or mation display ed in the P or t Error Summar y T able. Ta b l e 2 8 P ort Error Summary T ab le fields Item Description Unit Displays the unit number in the stack.
76 Chapter 4 Configuring network monitor ing using W eb-based management Viewing interface statistics Y ou can view selected s witch interf ace statistics. T o view statistical inf or mation f or an interface: Step Action 1 F rom the main menu, choose Statistics > Interf ace.
Viewing system statistics 77 Item Description Out Non-Unicast The number of packets that higher-level protocols requested be transmitted to a non-unicast address. For example, a subnetwork-broadcast or a subnetwork multicast address, including those discarded or not sent.
78 Chapter 4 Configuring network monitor ing using W eb-based management Figure 26 Ethernet Error s page T able 30 "Ethernet Errors page items" (page 78) descr ibes the items on the Ether net Errors page. Ta b l e 3 0 Ethernet Error s page items Item Description Port The port number corresponding to the selected switch.
Viewing system statistics 79 Item Description SQE Test Errors The number of times that the SQE TEST ERROR message is generated by the PLS sublayer for a particular interface. The SQE TEST ERROR is defined in section 7.2.2.2.4 of ANSI/IEEE 802.3-1985, and its generation is described in section 7.
80 Chapter 4 Configuring network monitor ing using W eb-based management Figure 27 T ransparent Bridging page T able 31 "T ransparent Br idging page items" (page 80) describes the items on the T ransparent Bridging page.
Monitoring ML T traffic 81 —End— Monitoring ML T traffic Y ou can monitor the bandwidth usage f or the MultiLink T r unk member por ts within each trunk in your configuration b y selecting the traffic type to monitor .
82 Chapter 4 Configuring network monitor ing using W eb-based management Section Item Range Description Unit/Port A list of the trunk member switch ports that correspond to the trunk specified in the Trunk column. Last 5 Minutes% The percentage of packets (of the type specified in the Traffic Type field) used by the port in the last five minutes.
83 Chapter 5 Configuring RMON using the CLI The remote network monitor ing (RMON) management information base (MIB) is an interf ace between the RMON agent on an Ether net Switch and the RMON management applications. It defines objects that are suitable f or the management of any type of netw ork.
84 Chapter 5 Configur ing RMON using the CLI The show rmon alarm command is in the privExec mode . The show rmon alarm command has no parameters or variab les. Figure 29 "show rmon alar m command output" (page 84) displa ys a sample output of the show rmon alarm command.
show rmon stats 85 Figure 31 "show rmon histor y command output" (page 85) displa ys a sample output of the show rmon history command. Figure 31 show rmon history command output show rmon stats The show rmon stats command displays inf ormation regarding RMON statistics.
86 Chapter 5 Configur ing RMON using the CLI Figure 32 show rmon stats command output rmon alarm The rmon alarm command allows you to set RMON alar ms and thresholds.
no r mon alar m 87 Parameters and variables Description <1-2147483647> The sampling interval in seconds. absolute Use absolute values (value of the MIB object is compared directly with thresholds). delta Use delta values (change in value of the MIB object between samples is compared with thresholds).
88 Chapter 5 Configur ing RMON using the CLI rmon event The rmon event command allows you to configure RMON e v ent log and trap settings. The syntax for the rmon event command is: rmon event <1-65535> [log] [trap] [description <LINE>] [owner <LINE>] The rmon event command is in the config command mode.
rmon stats 89 rmon history <1-65535> <LINE> <1-65535> <1-3600> [owner <LINE>] The rmon history command is in the config command mode. T able 37 "r mon histor y command parameters and variab les" (page 89) describes the parameters and variables f or the rmon history command.
90 Chapter 5 Configur ing RMON using the CLI T able 39 "r mon stats command parameters and v ariables" (page 90) describes the par ameters and variables f or the rmon stats command. Ta b l e 3 9 rmon stats command parameters and variables Parameters and variables Description <1-65535> Unique index for the stats entry.
91 Chapter 6 Configuring RMON using Device Manager The Remote Network Monitor ing (RMON) MIB is an interface betw een the RMON agent on an Ether net Switch and an RMON management application, such as the De vice Manager .
92 Chapter 6 Configuring RMON using Device Manager RMON history Ethernet histor y records periodic statistical samples from a network. A sample is called a histor y and is gathered in time inter vals ref erred to as buc k ets. Histor ies establish a time-dependent method for gathering RMON statistics on a por t.
Working with RMON inf or mation 93 Figure 34 RmonControl, Insert Histor y dialog box 3 Select the por t from the por t list or type the por t number . 4 Set the number of buc k ets. The def ault is 50. 5 Set the inter val. The def ault is 1800 seconds.
94 Chapter 6 Configuring RMON using Device Manager Field Description Interval The interval in seconds over which the data is sampled for each bucket in the part of the media-specific table associated with this entry. You can set this interval to any number of seconds between 1 and 3600 (1 hour).
Working with RMON inf or mation 95 Figure 35 Rmon History statistics T able 42 "Rmon Histor y statistics tab fields" (page 95) descr ibes the Rmon Histor y statistics tab fields. Ta b l e 4 2 Rmon History statistics tab fields Field Description SampleIndex Indicates the sample number.
96 Chapter 6 Configuring RMON using Device Manager Field Description UndersizePk ts The number of packets received during the sampling interval that were less than 64 octets long (including FCS octets, but not framing bits).
Working with RMON inf or mation 97 The RmonControl, Inser t Ether Stats dialog bo x opens ( Figure 37 "RmonControl, Inser t Ether Stats dialog bo x" (page 97) ).
98 Chapter 6 Configuring RMON using Device Manager Disabling Ethernet statistics gathering T o disable Ethernet statistics that you hav e set: Step Action 1 F rom the De vice Manager main menu, choose Rmon > Control. The RmonControl dialog box opens with the Histor y tab display ed.
RMON Alarms 99 rising value, the alarm fires as a rising ev ent. During the first inter v al that the data drops below the f alling value, the alarm fires as a falling e v ent ( Figure 39 "How alarms fire" (page 99) ).
100 Chapter 6 Configuring RMON using Device Manager to drop to zero), the f alling alar m cannot fire, because the baseline traffic is alwa ys g reater than the value of the f alling threshold. By definition, the f ailure of the f alling alar m to fire pre vents the rising alarm from fir ing a second time.
RMON Alarms 101 intended only to demonstrate how alar ms fire; it is not a useful alarm. Because of the high frequency , delete this alar m and replace it with a practical setting.
102 Chapter 6 Configuring RMON using Device Manager Figure 42 Alarm variab le list Alarm v ariables are in three formats, depending on the type: • A chassis alar m ends in x where the x inde x is hard-coded. No fur ther information is required. • A card, spanning tree group (STG) or EtherStat alarm ends with a dot (.
RMON Alarms 103 Alarm Manager dialog bo x fields Ta b l e 4 4 Rmon Inser t Alarm dialog box fields Field Description Variable Name and type of alarm--indicated by the format: alarmname.x where x=0 indicates a chassis alarm. alarmname . where the user must specify the index.
104 Chapter 6 Configuring RMON using Device Manager Step Action 1 Select the por t on which y ou hav e created an alar m. 2 F rom the De vice Manager main menu, choose Rmon > Control. The RmonControl dialog bo x opens displaying the Histor y tab ( Figure 33 "Histor y tab" (page 92) ).
RMON Alarms 105 Field Description Interval The interval in seconds over which data is sampled and compared with the rising and falling thresholds. When setting this variable, in the case of deltaValue.
106 Chapter 6 Configuring RMON using Device Manager Field Description FallingThreshold A threshold for the sampled statistic. When the current sampled value is less than or equal to this threshold, and the value at the last sampling interval was greater than this threshold, a single event is generated.
RMON ev ents 107 The RmonAlar ms dialog bo x opens displaying the Alarms tab ( Figure 43 "RmonAlar ms dialog bo x -- Alar ms tab" (page 104) ). 2 Click the Ev ents tab . The Events tab opens ( Figure 44 "RmonAlar ms dialog box -- Ev ents tab" (page 107) ).
108 Chapter 6 Configuring RMON using Device Manager Field Description LastTim eSent The value of sysUpTime at the time this event entry last generated an event. If this entry does generate any events, this value is zero. Owner If traps are specified to be sent to the owner, then this is the name of the machine that receives alarm traps.
RMON Log information 109 —End— Deleting an event T o delete an e vent: Step Action 1 In the Events tab , highlight an ev ent Description. 2 Click Delete . The e v ent is removed from the table. —End— RMON Log information The Log tab chronicles and describes the alar m activity , which is then generated to be view ed.
110 Chapter 6 Configuring RMON using Device Manager T able 47 "Log tab fields" (page 110) describes the Log tab fields. Ta b l e 4 7 Log tab fields Item Description Time An implementation-dependent description of the event that activated the log entry.
RMON Log information 111 Figure 48 Graph Port dialog box -- RMON tab T able 48 "RMON tab fields" (page 111) descr ibes the RMON tab fields. Ta b l e 4 8 RMON tab fields Field Description Octets The total number of octets of data (including those in bad packets) received on the network (excluding framing bits but including FCS octets).
112 Chapter 6 Configuring RMON using Device Manager Field Description Fragments The total number of packets received that were less than 64 octets in length (excluding framing bits but including FCS .
113 Chapter 7 Configuring RMON using W eb-based management The RMON management information base (MIB) is an interf ace between the RMON agent on an Ether net Switch and the RMON management applications such as the W eb-based management user interf ace .
114 Chapter 7 Configur ing RMON using Web-based management The RMON Threshold page opens ( Figure 49 "RMON Threshold page" (page 114) ). Figure 49 RMON Threshold page T able 49 "RMON Threshold page items" (page 114) describes the items on the RMON Threshold page.
Configuring RMON fault threshold parameters 115 Item Range Description Current Level Integer The value of the statistic during the last sampling period. Note: If the sample type is Delta, the value is the difference between the samples at the beginning and end of the period.
116 Chapter 7 Configur ing RMON using Web-based management Item Range Description given delta-valued alarm and add them together, the result is twice the actual value. (This result is not an error in the software.) 2 In the RMON Threshold Creation section, type information in the te xt bo x es, or select from a list.
Viewing the RMON fault ev ent log 117 Viewing the RMON fault event log RMON e vents and alar ms work together to notify you when v alues in y our network go outside a specified range. When values pass the specified ranges, the alarm is triggered and fires.
118 Chapter 7 Configur ing RMON using Web-based management Item Description Triggered By Indicates a comment that describes the source of the event. ID Signifies the event that generated this log entry. Viewing RMON Ethernet statistics Y ou can gather and graph RMON Ether net statistics in a variety of formats.
Viewing RMON Ethernet statistics 119 Item Description Packets The number of good packets received that were directed to the broadcast address. This does not include multicast packets. Broadcast The number of good packets received that were directed to the broadcast address.
120 Chapter 7 Configur ing RMON using Web-based management 5 T o refresh statistical information, click Update, or clic k Back to retur n to the Ether net Statistics page. —End— Viewing RMON history Y ou can view a periodic statistical sampling of data from various types of networks.
Viewing RMON history 121 T able 52 "RMON Histor y page items" (page 121) descr ibes the items on the RMON Histor y page. Ta b l e 5 2 RMON History page items Section Item Description Unit Choose the unit number to be monitored. RMON History Statistics (View By) Port Choose the port number to be monitored.
122 Chapter 7 Configur ing RMON using Web-based management The RMON Histor y Statistics T able is updated with inf or mation about the selected device and por t ( Figure 52 "RMON Histor y page" (page 120) ). —End— Nor tel Ether net Switch 460/470 Configuration — System Monitoring NN47210-503 01.
123 Appendix A Quic k steps f or por t mirr oring If you are a system administrator with experience configuring Ethernet Switch por t mirroring, use the flowchar ts on the f ollowing pages as quic k configuration guides. The flowchar ts ref er y ou to the configuration rules appropriate for the por t mirror ing f eature.
124 Appendix A Quic k steps for por t mirror ing Figure 53 Configuring port mirroring (1 of 2) Nor tel Ether net Switch 460/470 Configuration — System Monitoring NN47210-503 01.01 Standard 3.7 22 February 2007 Copyright © 2005-2007, Nor tel Networks Nor tel Networks Confidential .
Configuring por t mirror ing 125 Figure 54 Configuring port mirroring (2 of 2) Nor tel Ether net Switch 460/470 Configuration — System Monitoring NN47210-503 01.01 Standard 3.7 22 February 2007 Copyright © 2005-2007, Nor tel Networks Nor tel Networks Confidential .
126 Inde x Symbols/Numerics 1..64 field 112 1024..1518 field 112 128..255 field 112 256..511 field 112 511..1023 field 112 65..127 field 112 A AddrMaskReps field 54, 55 AddrMasks field 54, 55 .
Index 127 Description field 107 DestUnreachs field 54, 56 Displa y Message F rom field 66 Displa y Messages F rom field 16 Displa y Unit field 66 displa ying logs 31 Drop Events field 118, 121 D.
128 Index L LastTimeSent field 108 Late Collisions field 28, 74, 75, 79 LateCollisions field 62 Link field 75 log messages 15 Log tab 109 logging 31 logging remote address command 37 logging remot.
Index 129 graphing 56, 57 graphs f or single and multiple por ts 56 product suppor t 14 publications 13 R ReasmF ails field 53 ReasmOKs field 53 ReasmReqds field 53 Redirects field 54, 55 Remote M.
130 Index system statistics options, vie wing Ethernet error statistics 77 interf ace statistics 76 por t statistics 71 transparent bridging statistics 79 T technical publications 14 technical suppor .
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Nor tel Ether net Switch 460/470 Configuration — System Monitor ing Copyright © 2005-2007 , Nor tel Networks All Rights Reser ved. Publication: NN47210-503 Document status: Standard Document version: 01.01 Document date: 22 February 2007 T o provide feedback or report a problem in this document, go to w ww .
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 Panasonic 470 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 Panasonic 470 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Panasonic 470 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Panasonic 470 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Panasonic 470, 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 Panasonic 470.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Panasonic 470. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Panasonic 470 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.
