[专题]跨交换机的vlan配置实验

1、vlan database这条命令，cisco已经不推荐使用这个命令了，现在要创建vlan的话直接在conf t下打vlan就OK了跨交换机的VLAN配置实验SW1:添加VLANSW1#vlan databaseSW1(vlan)#vlan 10 VLAN 10 added: Name: VLAN0010SW1(vlan)#vlan 20VLAN 20 added: Name: VLAN0020SW1(vlan)#vlan 30VLAN 30 added: Name: VLAN0030SW1(vlan)#vlan 40VLAN 40 added: Name: VLAN0040SW1(vlan)#vlan 50VLAN 50 added: Name: VLAN0050SW1(vlan)#exitAPPLY completed.Exiting.SW1#show vlan-sw briefVLAN Name Status Ports- - - -1 default active Fa0/0, Fa0/1, Fa0/2, Fa0/3 Fa0/4, Fa0/5, Fa0/6, Fa0/7 Fa0

2、/8, Fa0/9, Fa0/10, Fa0/11 Fa0/12, Fa0/13, Fa0/14, Fa0/1510 VLAN0010 active 20 VLAN0020 active 30 VLAN0030 active 40 VLAN0040 active 50 VLAN0050 active1002 fddi-default active 1003 token-ring-default active 1004 fddinet-default active 1005 trnet-default active设置中继并配置以太通道捆绑SW1#conf tEnter configuration commands, one per line. End with CNTL/Z.SW1(config)#interface range fastethernet0/1 - 4SW1(config-if-range)#switchport mode trunk*Mar 1 01:12:29.463: %DTP-5-TRUNKPORTON: Port Fa0/1-4 has become dot1

3、q trunkSW1(config-if-range)#switchport trunk encapsulation dot1qSW1(config-if-range)#channel-group 1 mode onCreating a port-channel interface Port-channel1 SW1(config-if-range)#*Mar 1 01:12:45.775: %EC-5-BUNDLE: Interface Fa0/1 joined port-channel Po1*Mar 1 01:12:45.991: %EC-5-BUNDLE: Interface Fa0/2 joined port-channel Po1*Mar 1 01:12:46.159: %EC-5-BUNDLE: Interface Fa0/3 joined port-channel Po1*Mar 1 01:12:46.339: %EC-5-BUNDLE: Interface Fa0/4 joined port-channel Po1*Mar 1 01:12:48.487: %LINEP

4、ROTO-5-UPDOWN: Line protocol on Interface Port-channel1, changed state to upSW1(config-if-range)#int range f0/5 - 8SW1(config-if-range)#switchport mode trunk*Mar 1 01:13:15.699: %DTP-5-TRUNKPORTON: Port Fa0/5-8 has become dot1q trunkSW1(config-if-range)#switchport trunk encapsulation dot1qSW1(config-if-range)#channel-group 2 mode onCreating a port-channel interface Port-channel2 SW1(config-if-range)#*Mar 1 01:13:22.123: %EC-5-BUNDLE: Interface Fa0/5 joined port-channel Po2*Mar 1 01:13:22.411: %E

5、C-5-BUNDLE: Interface Fa0/6 joined port-channel Po2*Mar 1 01:13:22.591: %EC-5-BUNDLE: Interface Fa0/7 joined port-channel Po2*Mar 1 01:13:22.795: %EC-5-BUNDLE: Interface Fa0/8 joined port-channel Po2SW1(config-if-range)#*Mar 1 01:13:24.831: %LINEPROTO-5-UPDOWN: Line protocol on Interface Port-channel2, changed state to upSW1(config-if-range)#endSW1#show etherchannel summaryFlags: D - down P - in port-channel I - stand-alone s - suspended R - Layer3 S - Layer2 U - in useGroup Port-channel Ports-+

6、-+-1 Po1(SU) Fa0/1(P) Fa0/2(P) Fa0/3(P) Fa0/4(P) 2 Po2(SU) Fa0/5(P) Fa0/6(P) Fa0/7(P) Fa0/8(P)配置VTP域:SW1#vlan databaseSW1(vlan)#vtp serverDevice mode already VTP SERVER.SW1(vlan)#vtp domain TKChanging VTP domain name from NULL to TKSW1(vlan)#vtp password ciscoSetting device VLAN database password to cisco.SW1(vlan)#vtp pruningPruning switched ONSW1(vlan)#exitAPPLY completed.Exiting.SW1#show vtp statusVTP Version : 2Configuration Revision : 2Maximum VLANs supported locally : 256Number of existing

7、 VLANs : 10VTP Operating Mode : ServerVTP Domain Name : TKVTP Pruning Mode : EnabledVTP V2 Mode : DisabledVTP Traps Generation : DisabledMD5 digest : 0xAA 0x90 0x65 0x7A 0x72 0x0C 0x31 0x6A Configuration last modified by 0.0.0.0 at 3-1-02 01:15:38Local updater ID is 0.0.0.0 (no valid interface found)配置以太通道不承载vlan 40和vlan50的流量:SW1(config)#int range f0/1 - 4SW1(config-if-range)#switchport trunk allowed vlan remove 40SW1(config-if-range)#switchport trunk allowed vlan remove 50SW1#show int f0/1 switchportName: Fa0/1Switchport: EnabledAdministrative Mode: trunkOperational Mode: down (suspended member of bundle Po1)Administrative Trunking Encapsulation: dot1qNegotiation of Trunking: DisabledAccess Mode VLAN: 0 (Inactive)Trunking Native Mode VLAN: 1 (default)Trunking VLANs Enabled: 1-39,41-49,51-1005Trunking VLANs Active: nonePriority for untagged frames: 0Override vlan tag priority: FALSEVoice VLAN

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