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1、Cisco Network Academy. All rights reserved CCNP+ BSMSN v3.0Defining VLANsImplementing VLANsCisco Network Academy. All rights reserved CCNP+ BSMSN v3.0What Is an End-to-End VLAN? Users are grouped into VLANs independent of physical location. If users are moved within the campus, their VLAN membership
2、 remains the same.Cisco Network Academy. All rights reserved CCNP+ BSMSN v3.0What Is a Local VLAN?Local VLANs are generally confined to a wiring closet.Cisco Network Academy. All rights reserved CCNP+ BSMSN v3.0Benefits of Local VLANs in the ECNM Deterministic traffic flow Active redundant paths Hig
3、h availability Finite failure domain Scalable designCisco Network Academy. All rights reserved CCNP+ BSMSN v3.0VLAN Configuration Modes Global ModeSwitch# configure terminal Switch(config)# vlan 3 Switch(config-vlan)# name Vlan3 Switch(config-vlan)# exit Switch(config)# endCisco Network Academy. All
4、 rights reserved CCNP+ BSMSN v3.0VLAN Configuration Modes Database ModeSwitch# vlan database Switch(vlan)# vlan 3 VLAN 3 added:Name: VLAN0003 Switch(vlan)# exit APPLY completed. ExitingCisco Network Academy. All rights reserved CCNP+ BSMSN v3.0VLAN Access Ports The access switch port associated with
5、 a single data VLANCisco Network Academy. All rights reserved CCNP+ BSMSN v3.0VLAN Implementation CommandsConfiguring VLANs vlan 101 switchport mode access switchport access vlan 101Verifying VLANs show interfaces swtichport show vlanCisco Network Academy. All rights reserved CCNP+ BSMSN v3.0How to
6、Implement a VLANCreate or configure a VLAN.Verify VLAN configuration.Associate switch ports with the VLAN.Verify switch port configuration.Test VLAN connectivity.Implement VLAN and switch security.Cisco Network Academy. All rights reserved CCNP+ BSMSN v3.0Configuring an Access VLAN Switch(config)# v
7、lan vlan_idCreate a VLAN.Switch(config-vlan)# name vlan_nameProvide a VLAN name.Switch(config-if)# switchport mode access Place the switch port into access mode.Switch(config-if)# switchport access vlan vlan_idAssociate the access switch port with a VLAN.Cisco Network Academy. All rights reserved CC
8、NP+ BSMSN v3.0Verifying the Access VLAN ConfigurationSwitch#show vlanVLAN Name Status Ports - - - - 1 default active Fa0/1, Fa0/2, Fa0/3, Fa0/4Fa0/5, Fa0/7, Fa0/9 11 asw11_data active 12 asw12_data active 95 VLAN0095 active Fa0/8 99 Trunk_Native active 100 Internal_Access active 111 voice-for-group-11 active 112 voice-for-group-12 active 1002 fddi-default act/unsup 1003 token-ring-default act/unsup 1004 fddinet-default act/unsup 1005 trnet-default act/unsupVLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1 - - - - - - - - - 1 enet 100001 1500 - - - - - 0 11enet 100011 1500 - - -
