CCNA英文版15.ppt

? 2002, Cisco Systems, Inc. All rights reserved. ? 2002, Cisco Systems, Inc. All rights reserved. ICND — 4-2 ? 2002, Cisco Systems, Inc. All rights reserved. 2 Configuring VLANs ? 2002, Cisco Systems, Inc. All rights reserved. ICND — 4-3 Objectives pleting this lesson, you will be able to: ? Use Cisco mands to configure VLANs , VTP, IEEE trunking , and ISL trunking , given a functioning access layer switch ? Execute an add, move, or change on an access-layer switch, given a work requirement ? Use mands to identify anomalies in VLAN, VTP, IEEE trunking , ISL trunking , and spanning-tree operation within a VLAN, given an operational access layer switch ? Use mands to identify events and anomalies in VLAN, VTP, IEEE trunking , ISL trunking , and spanning-tree operation, given an operational access layer switch ? 2002, Cisco Systems, Inc. All rights reserved. ICND — 4-4 ? VTP domain name ? VTP mode (server/client/transparent) — VTP server mode is the default ? VTP pruning ? VTP password ? VTP trap Use caution when adding a new switch to an existing domain. Add a new switch in client mode to prevent the new switch from propagating incorrect VLAN information. Use the delete mand to reset the VTP revision number. VTP Configuration Guidelines ? 2002, Cisco Systems, Inc. All rights reserved. ICND — 4-5 wg _ sw _1900#configure terminal Enter mands, one per line. End TL/Z wg _ sw _1900(config)#vtp transparent wg _ sw _1900(config)#vtp domain switchlab wg _sw _1900(config)# vtp [server | transparent | client] [domain domain-name ] [trap {enable | disable}] [password password ] [pruning {enable | disable}] Creating a VTP Domain Catalyst 1900 Catalyst 2950 wg _sw _2950# vlan database wg _sw _2950( vlan )# vtp [ server | client | transparent ] wg _sw _2950( vlan )# vtp domain domain-name wg _sw _2950( vlan )# vtp password password wg _sw _2950( vlan )# vtp pruning wg _sw _2950( vlan )# snmp -server