Manuale d’uso / di manutenzione del prodotto 6503 del fabbricante Cisco Systems
Vai alla pagina of 19
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 1 of 19 White P aper High A vailability for the C.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 2 of 19 redundancy . For more detail on high-a vailability network designs, refer to the white paper , Gigabit Campus Design , at: http://www .
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 3 of 19 The changes to the switching mode are done automatically , depending on the hardware installed.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 4 of 19 Example 2: Classic and Fabric-Enabled Sys.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 5 of 19 Redundant Supervisor Engines As previousl.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 6 of 19 disabling port channels (PagP), and turning trunking of f for ports to which workstations are directly attached, the fast switchov er time can be reduced to approximately 10 seconds.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 7 of 19 T able 1 shows protocols and features for high a v ailability as of Cisco Catalyst OS version 7.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 8 of 19 Both supervisor engines run a synchronizing operation to allow for transfer of this data.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 9 of 19 The image synchronization feature of Cisc.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 10 of 19 http://www .
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 11 of 19 10.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 12 of 19 Dual Router Mode DRM is the original MSFC configuration for redundant supervisor engine or MSFC configurations.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 13 of 19 The following commands enable MSFC con.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 14 of 19 For these scenarios, SRM is no w av ailable.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 15 of 19 The same IP and Media Access Control (MA C) addresses are used for the designated router , whether or not the MSFC is the designated router .
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 16 of 19 SRM and IP Multicast W ith SRM, the VLAN interfaces on the nondesignated router are in a down state.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 17 of 19 DRM hostname DRM ! redundancy high-availability config-sync ! interface Vlan20 ip address 10.
Cisco Systems, Inc. All contents are Copyright © 1992–2002 Cisco Systems, Inc. All rights reserved. Important Notices and Pri vac y Statement. Page 18 of 19 disabled, the power a v ailable to the system is the combined power of the po wer supplies.
Corporate Headquarters Cisco Systems, Inc. 170 W est T asman Drive San Jose, CA 95134-1706 USA www .cisco.com T el: 408 526-4000 800 553-NETS (6387) Fax: 408 526-4100 European Headquarters Cisco Systems International BV Haarlerbergpark Haarlerbergweg 13-19 1101 CH Amsterdam The Netherlands www-europe.
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 Systems 6503 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 Systems 6503 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Cisco Systems 6503 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Cisco Systems 6503 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Cisco Systems 6503, 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 Systems 6503.
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 Systems 6503. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Cisco Systems 6503 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.