Manuale d’uso / di manutenzione del prodotto NME-16ES-1G del fabbricante Cisco
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Corporate Headquarters: Copyright © 2005 Cisco Systems, Inc. All rights reserved. Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA Cisco EtherSwitch Service Modules Feature Guide Note This document describes the Cisco EtherSwitch serv ice modu le only .
Cisco EtherSwi tch Service Mo dules Feature Guide Contents 2 Cisco IOS Release 12.2(25)SEC Finding Support Information for Platforms and Cisco IOS Software Images Use Cisco Feature Na vigato r to fi nd information about platform support and Cisco IOS softwa re image support.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 3 Cisco IOS Release 12.2(25)SEC Hardware Overview Cisco EtherSwitch service modules are modul.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 4 Cisco IOS Release 12.2(25)SEC • NME-XD-48ES-2S-P—Extended double-wi de Cisco EtherSwit.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 5 Cisco IOS Release 12.2(25)SEC Ease-of-Use and Ease-of-D eployment Features • Express Setu.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 6 Cisco IOS Release 12.2(25)SEC • Cisco Group Management Protocol (CGMP) serv er support a.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 7 Cisco IOS Release 12.2(25)SEC Manageability Features Note The encrypted Secure Shell (SSH) f eature listed in this section is a v ailable o nly on the cryptographic versions of t he Cisco EtherSwitc h serv ice module softwar e image.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 8 Cisco IOS Release 12.2(25)SEC • IEEE 802.1D Spanning T ree Prot ocol (STP) for r edundant back bone connections and loop-free networks. STP has these features: – Up to 128 spanning-tree instances supported.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 9 Cisco IOS Release 12.2(25)SEC • V oice VLAN for crea ting subnets fo r voice traf f ic from Ci sco IP phones.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 10 Cisco IOS Release 12.2(25)SEC • Kerberos sec urity system to authenticat e requests fo .
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 11 Cisco IOS Release 12.2(25)SEC • Egress queues and scheduling – Four egress queues p er port.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 12 Cisco IOS Release 12.2(25)SEC Cisco StackWise Concepts This section des cribes the concep ts applicable t o switch stacks of Cisco EtherSwitc h service modules.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 13 Cisco IOS Release 12.2(25)SEC A switc h stac k is a set of Cisco Ether Switch service modules or Catalyst 3750 switch es connected through their C isco StackWise ports.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 14 Cisco IOS Release 12.2(25)SEC A standalone Ci sco EtherSwitch servic e module o r Catalyst 37 50 switch is a switch stack w ith one stack member that also operates as the stack master .
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 15 Cisco IOS Release 12.2(25)SEC The Cisco EtherSwitch service module or switch using the v e.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 16 Cisco IOS Release 12.2(25)SEC A ne w , out-of-the-box Ci sco EtherSwitch serv ice module (one that has not joined a switch stack or has not been manually assigned a stack member number) ships wit h a default st ack member number of 1.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 17 Cisco IOS Release 12.2(25)SEC Switch Stack Software Compa tibility Recommendations All stack members must run the same Cisco IOS softwa re v ersion to ensure co mpatibility between stack members.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 18 Cisco IOS Release 12.2(25)SEC Minor Incompatibility Between Cisco EtherSwitch Service Mod.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 19 Cisco IOS Release 12.2(25)SEC The interface-specif ic configuration of each stack me mber is associated with the stack member number .
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 20 Cisco IOS Release 12.2(25)SEC Be careful when using multiple CLI sessions to the stack master . Commands that you enter in one session are not disp layed in the other sessions.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 21 Cisco IOS Release 12.2(25)SEC • Other Considerations for Cluster St andby G roups, page .
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 22 Cisco IOS Release 12.2(25)SEC If you want to maintain the same le vel of featu re support when a standb y command de vice takes o v er , it should run the same release of Ci sco IOS softwa re that the command de vice runs.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 23 Cisco IOS Release 12.2(25)SEC Figure 1 Discovery Thr ough CDP Hops Discovery of Candidates.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 24 Cisco IOS Release 12.2(25)SEC Discovery of Candidates and Members Through Different VLANs If the cluster command switch i s a Cisco EtherSwitc h service module, the cluster can ha ve cluster member switches in dif ferent VLANs.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 25 Cisco IOS Release 12.2(25)SEC • Switch 9 because automatic d iscov ery does not ex te nd.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 26 Cisco IOS Release 12.2(25)SEC Figure 5 Discovery Thr ough Routed P orts Discovery of Newl.
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 27 Cisco IOS Release 12.2(25)SEC HSRP and Standby Clus ter Command Switches The switch supports Hot Standb y Router P rotocol (HSRP) so that you can con figur e a group of standb y cluster command switches.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 28 Cisco IOS Release 12.2(25)SEC Virtual IP Addresses in Clusters Y ou need to assign a unique virtual IP ad dress and group number and name to the cluster stand by group .
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 29 Cisco IOS Release 12.2(25)SEC • Each standb y-group member ( Figure 7 ) must be connected to th e cluster command switch through the same VLAN.
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 30 Cisco IOS Release 12.2(25)SEC • This limitation applies to all clusters: If t he activ .
Cisco EtherSwitch Service Mo dules Feature Guide Information About the Cisco Eth erSwitch Service Module s 31 Cisco IOS Release 12.2(25)SEC Passwords in Clusters Y o u do not need to assi gn passwords to an individual switch if it will be a clus ter member .
Cisco EtherSwi tch Service Mo dules Feature Guide Information About th e Cisco EtherSw itch Service Modules 32 Cisco IOS Release 12.2(25)SEC Recall that stack members w ork together to beha v e as a unif ied system (as a single switch stack) in the network and are presented to the network as such b y Layer 2 and Layer 3 protocol s.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco E therSwitch Service Module 33 Cisco IOS Release 12.2(25)SEC • If the cluste r command switch is a switch s tack and ne w .
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Module 34 Cisco IOS Release 12.2(25)SEC • For de vice manager requirements, see the “System Requi rements” section in th e release notes (not orderable b ut av ailable on Cisco.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco E therSwitch Service Module 35 Cisco IOS Release 12.2(25)SEC The interface numbering format on th e Cisco EtherSwitch service mo dule is stac k-member -number /0/ switc h-port .
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Module 36 Cisco IOS Release 12.2(25)SEC Configuring the Cisco EtherSwitch Service Module in the Router This section descri bes ho w to perform the initial co n fi guration on the ro uter with a Cisco EtherSwitch service mo dule installe d.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco E therSwitch Service Module 37 Cisco IOS Release 12.2(25)SEC Step 3 enable Example: Router# enable Enters pri vileged EXEC mode.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Module 38 Cisco IOS Release 12.2(25)SEC Step 13 enable Example: Switch> enable Enters pri vile ged EXEC mode on the Cisco EtherSwit ch service module.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco E therSwitch Service Module 39 Cisco IOS Release 12.2(25)SEC Examples This section provides the follo wing e xamples: • Sa.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Module 40 Cisco IOS Release 12.2(25)SEC Sample Output for the show running config Command on the Route.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco E therSwitch Service Module 41 Cisco IOS Release 12.2(25)SEC Sample Output for the show ip interface brief Command on the Ci.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Module 42 Cisco IOS Release 12.2(25)SEC Default Settings After Initial Cisco Et herSwitch Service M odule Configuration The Cisco EtherSw itch servi ce module is designed fo r plug-and-play operation.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco E therSwitch Service Module 43 Cisco IOS Release 12.2(25)SEC Default VLAN VLAN 1 VLAN trunking Dynamic auto (DTP) T runk enc.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Module 44 Cisco IOS Release 12.2(25)SEC Configuring the Cisco EtherSwitch Se rvice Module Using the Sw.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco E therSwitch Service Module 45 Cisco IOS Release 12.2(25)SEC • Enable password • T elnet password Note If your Cisco Eth.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Module 46 Cisco IOS Release 12.2(25)SEC Examples This section provides the follo wing e xamples: • S.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco E therSwitch Service Module 47 Cisco IOS Release 12.2(25)SEC Basic management setup configures only enough connectivity for management of the system, extended setup will ask you to configure each interface on the system.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Module 48 Cisco IOS Release 12.2(25)SEC Sample Output for Saving the Configuration to NVRAM The follo .
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco E therSwitch Service Module 49 Cisco IOS Release 12.2(25)SEC Examples This section provides the follo wing e xamples: • Sa.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Modu le in a Switch Stac k 50 Cisco IOS Release 12.2(25)SEC How to Configure the Cisco EtherSwitch Service Module in a Switch Stack This section descri bes ho w to conf igure the Cisco EtherSwit ch service module in a swit ch stack.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco EtherSwit ch Service Modu le in a Switc h Stack 51 Cisco IOS Release 12.2(25)SEC Default Switch Stack Configuration Ta b l e 3 shows the def ault switch stack conf igurat ion.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Modu le in a Switch Stac k 52 Cisco IOS Release 12.2(25)SEC • Removing po wered-up stack members fro.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco EtherSwit ch Service Modu le in a Switc h Stack 53 Cisco IOS Release 12.2(25)SEC Examples This section provides the follo wi.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Modu le in a Switch Stac k 54 Cisco IOS Release 12.2(25)SEC Sample Output for the show switch Command .
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure the Cisco EtherSwit ch Service Modu le in a Switc h Stack 55 Cisco IOS Release 12.2(25)SEC Examples This section provides the follo wi.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure the Cisco EtherSwitc h Service Modu le in a Switch Stac k 56 Cisco IOS Release 12.2(25)SEC DETAILED ST EPS Step 1 Use the show platform stack-manager command to display platform-depen dent switch-stack information.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure a Switch Clu ster 57 Cisco IOS Release 12.2(25)SEC Switch(config)# show switch neighbors Switch # Port A Port B -------- ------ ------.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure a Sw itch Cluster 58 Cisco IOS Release 12.2(25)SEC This section contains the following procedures: • Using the CLI to Manage Switch.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure a Switch Clu ster 59 Cisco IOS Release 12.2(25)SEC Examples This section provides the follo wing e xamples: • Sample Output for the .
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure a Sw itch Cluster 60 Cisco IOS Release 12.2(25)SEC Adding Cluster Members to the Cisco EtherSwitch Service Module This section sho ws ho w to ad d cluster members to the Cisco EtherSwitch service module.
Cisco EtherSwitch Service Mo dules Feature Guide How to Configure a Switch Clu ster 61 Cisco IOS Release 12.2(25)SEC DETAILED STEPS FROM THE NETWORK ASSISTANT APPLICATION Command or Action Purpose Step 1 Close the Add to Cluster wi ndo w . Closes the Add to Cluster windo w to vie w an up dated list of cluster members.
Cisco EtherSwi tch Service Mo dules Feature Guide How to Configure a Sw itch Cluster 62 Cisco IOS Release 12.2(25)SEC DETAILED STEPS FROM THE CLI Creating a Cluster Standby Group This section describes h ow to add Cisco EtherSwitch service modules to a cl uster standby gr oup and to bind the cluster standb y group to a cluster .
Cisco EtherSwitch Service Mo dules Feature Guide Upgrading the Cisco EtherSwit ch Service Module Software 63 Cisco IOS Release 12.2(25)SEC Restrictions • This task is a v ailable only on the stack master . • Y ou must enter a virtual IP address for the clust er standby g roup.
Cisco EtherSwi tch Service Mo dules Feature Guide Upgrading the Cisco E therSwitch Service Module Software 64 Cisco IOS Release 12.2(25)SEC SUMMARY STEPS 1. enable 2. conf igure termi nal 3. interfac e switch / slot/ port 4. no switchport 5. ip addr ess ip addr ess/subnet mask 6.
Cisco EtherSwitch Service Mo dules Feature Guide Upgrading the Cisco EtherSwit ch Service Module Software 65 Cisco IOS Release 12.2(25)SEC Examples This section provides the follo wing e xamples: • .
Cisco EtherSwi tch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Service Module Software 66 Cisco IOS Release 12.2(25)SEC Sample Output for the show flash: Command The follo win.
Cisco EtherSwitch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Servic e Module Software 67 Cisco IOS Release 12.2(25)SEC Recovering from a Corrupted Software Image Using Xmodem This section describes ho w to reco ve r from a corrupted software image by using Xmod em.
Cisco EtherSwi tch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Service Module Software 68 Cisco IOS Release 12.2(25)SEC 7. service-module interface slot/port session 8.
Cisco EtherSwitch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Servic e Module Software 69 Cisco IOS Release 12.2(25)SEC Troubleshooting If the downloaded image (f iles and directories) are not in flash memory on the Cisco EtherSwitch service module, repeat St ep 1 through Step 6.
Cisco EtherSwi tch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Service Module Software 70 Cisco IOS Release 12.2(25)SEC Y ou are prompted for the service module int erface numbe r . Accept the default: Service Module interface number? [0]: Y o u are prompted to confirm the buf fer .
Cisco EtherSwitch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Servic e Module Software 71 Cisco IOS Release 12.2(25)SEC Y ou a re prompted for the max retry count.
Cisco EtherSwi tch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Service Module Software 72 Cisco IOS Release 12.2(25)SEC the flash filesystem, and finish loading the operating .
Cisco EtherSwitch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Servic e Module Software 73 Cisco IOS Release 12.2(25)SEC SUMMARY STEPS 1. service-module interface slot/port session 2. dir flash: 3. service-module interface slot/port passw ord-reset 4.
Cisco EtherSwi tch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Service Module Software 74 Cisco IOS Release 12.2(25)SEC Step 6 rename Example: Switch: rename flash: config.text flash: config.text.old Renames the conf iguration f ile to conf ig.
Cisco EtherSwitch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Servic e Module Software 75 Cisco IOS Release 12.2(25)SEC Step 12 copy running-configuration startup-configuratio.
Cisco EtherSwi tch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Service Module Software 76 Cisco IOS Release 12.2(25)SEC Recovering from a Lost or Forgotten Password When Password Recovery Is Disabled This section shows ho w to recov er from a lost or for gotten password when password reco very is disabled.
Cisco EtherSwitch Service Mo dules Feature Guide Troubleshooting the Cisco EtherSwitch Servic e Module Software 77 Cisco IOS Release 12.2(25)SEC DETAILED ST EPS Command or Action Purpose Step 1 service-module interface slot/port password-reset Example: Router# service-module gigabitethernet1/0 password-reset Resets the password on the router .
Cisco EtherSwi tch Service Mo dules Feature Guide Switch Stack Configuration Scenar ios 78 Cisco IOS Release 12.2(25)SEC Example Sample Output for the set Command The follo wing example sho ws what ap.
Cisco EtherSwitch Service Mo dules Feature Guide Switch Stack Config uration Scenarios 79 Cisco IOS Release 12.2(25)SEC T able 4 Switc h Stac k Configur ation Scenar ios Scenario Action Result Stack master election specifically determined by e xisting stack masters Connect two po wered-u p switch stacks through the Cisco StackW ise por ts.
Cisco EtherSwi tch Service Mo dules Feature Guide Switch Stack Configuration Scenar ios 80 Cisco IOS Release 12.2(25)SEC Stack master election specifically determined by the cr yptographic IP base image Assuming that all stack members have the same priority v alue: 1.
Cisco EtherSwitch Service Mo dules Feature Guide Network Configuration Examp les 81 Cisco IOS Release 12.2(25)SEC Network Configuration Examples This section descri bes network conf iguration co ncept.
Cisco EtherSwi tch Service Mo dules Feature Guide Network Config uration Exam ples 82 Cisco IOS Release 12.2(25)SEC Bandwidth alone is not the o nly consideration when designin g your networ k.
Cisco EtherSwitch Service Mo dules Feature Guide Network Configuration Examp les 83 Cisco IOS Release 12.2(25)SEC Y o u can use the Cisc o EtherSwitch servi ce module s and switch stacks to create the.
Cisco EtherSwi tch Service Mo dules Feature Guide Network Config uration Exam ples 84 Cisco IOS Release 12.2(25)SEC • Redundant gigabit backbo ne ( Figure 9 )—Using HSRP , y ou can create backu p paths betw een two Cisco EtherSwitch service modules to en hance netw ork reliab ility and l oad balancing for dif ferent VLANs and subnets.
Cisco EtherSwitch Service Mo dules Feature Guide Network Configuration Examp les 85 Cisco IOS Release 12.2(25)SEC Figure 1 0 High-P erfor m ance Wir ing Closet Multidwelling Network Using the Cisco Et.
Cisco EtherSwi tch Service Mo dules Feature Guide Network Config uration Exam ples 86 Cisco IOS Release 12.2(25)SEC Figur e 1 1 Cisco EtherS witch Service Modules in a MAN C onfigur ation 121822 Servi.
Cisco EtherSwitch Service Mo dules Feature Guide Additional References 87 Cisco IOS Release 12.2(25)SEC Additional References Related Documents Technical Assistance Related T opic Document T itle Hard.
Cisco EtherSwi tch Service Mo dules Feature Guide Additional References 88 Cisco IOS Release 12.2(25)SEC.
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 Cisco NME-16ES-1G 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 Cisco NME-16ES-1G - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco NME-16ES-1G imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco NME-16ES-1G ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco NME-16ES-1G, 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 Cisco NME-16ES-1G.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Cisco NME-16ES-1G. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco NME-16ES-1G 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.