From: Brian Dennis (bdennis@internetworkexpert.com)
Date: Wed Feb 28 2007 - 15:50:55 ART
You should read the question very carefully to see if you are actually doing
more than the task asks for.
Also since this is a vendor specific question you should post it to our
forum.
--Brian Dennis, CCIE4 #2210 (R&S/ISP-Dial/Security/SP) bdennis@internetworkexpert.com Internetwork Expert, Inc. http://www.InternetworkExpert.com Toll Free: 877-224-8987 Direct: 775-745-6404 (Outside the US and Canada)
On 2/28/07 8:55 AM, "nhatphuc" <nhatphuc@gmail.com> wrote:
> Thanks DP for replying, > > In solution, the verification shows that the trunk to sw2 prune some vlans. > > So the solution output wasn't taken from the real devices? Anyone from > InternetworkExpert can make this clear? > > Thanks > > On 2/28/07, Derek P <rizacer@gmail.com> wrote: >> >> Without having the lab in front of me. >> >> I do see f0/6 on SW2 is set for tunking and is requesting all VLAN's this >> would cause your pruning to look as if its not working. >> >> >> DP >> >> On 2/27/07, nhatphuc <nhatphuc@gmail.com> wrote: >> >>> Hi Group, >>> >>> In Question 1.6, IEWBv4 Lab 2, I configure pruning on SW1, and vtp >>> pruning >>> is enabled on the other 3 switches. But when showing int trunk, the >>> trunk >>> link to switch 2 doesn't prune the nonexistence vlans. My config is the >>> same >>> as solution. >>> >>> What could the problem be? >>> If I encounter the same issue in real lab, what should I do to fix the >>> problem? >>> >>> Thanks >>> >>> This is my config: >>> >>> SW1#do sh int tru >>> >>> Port Mode Encapsulation Status Native vlan >>> Po1 on isl trunking 1 >>> Po2 auto n-802.1q trunking 783 >>> Po3 desirable n-isl trunking 1 >>> >>> Port Vlans allowed on trunk >>> Po1 1-4094 >>> Po2 1-4094 >>> Po3 1-4094 >>> >>> Port Vlans allowed and active in management domain >>> Po1 1,3,5-6,8,10,26,33,52,255,783 >>> Po2 1,3,5-6,8,10,26,33,52,255,783 >>> Po3 1,3,5-6,8,10,26,33,52,255,783 >>> >>> Port Vlans in spanning tree forwarding state and not pruned >>> Po1 1,3,5-6,8,10,26,33,52,255,783 >>> Po2 1,33,52,255,783 >>> Po3 1,255 >>> >>> >>> SW1#sh run >>> Building configuration... >>> >>> Current configuration : 2535 bytes >>> ! >>> version 12.2 >>> no service pad >>> service timestamps debug uptime >>> service timestamps log uptime >>> no service password-encryption >>> ! >>> hostname SW1 >>> ! >>> enable password cisco >>> ! >>> aaa new-model >>> aaa authentication login default none >>> ! >>> aaa session-id common >>> ip subnet-zero >>> no ip domain-lookup >>> ! >>> lacp system-priority 1 >>> no file verify auto >>> spanning-tree mode pvst >>> spanning-tree extend system-id >>> ! >>> vlan internal allocation policy ascending >>> ! >>> ! >>> interface Loopback0 >>> ip address 150.1.7.7 255.255.255.0 >>> ! >>> interface Port-channel1 >>> switchport trunk encapsulation isl >>> switchport mode trunk >>> ! >>> interface Port-channel2 >>> switchport trunk native vlan 783 >>> ! >>> interface Port-channel3 >>> switchport mode dynamic desirable >>> ! >>> interface FastEthernet0/1 >>> no switchport >>> ip address 132.1.17.7 255.255.255.0 >>> ! >>> interface FastEthernet0/2 >>> ! >>> interface FastEthernet0/3 >>> switchport access vlan 3 >>> ! >>> interface FastEthernet0/4 >>> ! >>> interface FastEthernet0/5 >>> switchport access vlan 5 >>> ! >>> interface FastEthernet0/6 >>> ! >>> interface FastEthernet0/7 >>> ! >>> interface FastEthernet0/8 >>> ! >>> interface FastEthernet0/9 >>> ! >>> interface FastEthernet0/10 >>> switchport access vlan 10 >>> ! >>> interface FastEthernet0/11 >>> switchport access vlan 10 >>> ! >>> interface FastEthernet0/12 >>> ! >>> interface FastEthernet0/13 >>> switchport trunk encapsulation isl >>> switchport mode trunk >>> channel-group 1 mode on >>> ! >>> interface FastEthernet0/14 >>> switchport trunk encapsulation isl >>> switchport mode trunk >>> channel-group 1 mode on >>> ! >>> interface FastEthernet0/15 >>> switchport trunk encapsulation isl >>> switchport mode trunk >>> channel-group 1 mode on >>> ! >>> interface FastEthernet0/16 >>> switchport trunk native vlan 783 >>> channel-group 2 mode active >>> ! >>> interface FastEthernet0/17 >>> switchport trunk native vlan 783 >>> channel-group 2 mode active >>> ! >>> interface FastEthernet0/18 >>> switchport trunk native vlan 783 >>> channel-group 2 mode active >>> ! >>> interface FastEthernet0/19 >>> switchport mode dynamic desirable >>> channel-group 3 mode active >>> ! >>> interface FastEthernet0/20 >>> switchport mode dynamic desirable >>> channel-group 3 mode active >>> ! >>> interface FastEthernet0/21 >>> shutdown >>> ! >>> interface FastEthernet0/22 >>> ! >>> interface FastEthernet0/23 >>> ! >>> interface FastEthernet0/24 >>> ! >>> interface GigabitEthernet0/1 >>> ! >>> interface GigabitEthernet0/2 >>> ! >>> interface Vlan1 >>> no ip address >>> shutdown >>> ! >>> interface Vlan783 >>> ip address 204.12.1.7 255.255.255.0 >>> ! >>> ip classless >>> ip http server >>> ip http secure-server >>> ! >>> ! >>> radius-server source-ports 1645-1646 >>> ! >>> control-plane >>> ! >>> ! >>> line con 0 >>> exec-timeout 0 0 >>> privilege level 15 >>> logging synchronous >>> line vty 0 4 >>> password cisco >>> line vty 5 15 >>> password cisco >>> ! >>> end >>> >>> >>> SW2#do s run >>> Building configuration... >>> >>> Current configuration : 2109 bytes >>> ! >>> version 12.2 >>> no service pad >>> service timestamps debug uptime >>> service timestamps log uptime >>> no service password-encryption >>> ! >>> hostname SW2 >>> ! >>> enable password cisco >>> ! >>> no aaa new-model >>> ip subnet-zero >>> no ip domain-lookup >>> ! >>> ! >>> ! >>> ! >>> ! >>> ! >>> no file verify auto >>> spanning-tree mode pvst >>> spanning-tree extend system-id >>> ! >>> vlan internal allocation policy ascending >>> ! >>> ! >>> interface Loopback0 >>> ip address 150.1.8.8 255.255.255.0 >>> ! >>> interface Port-channel1 >>> switchport trunk encapsulation isl >>> switchport mode trunk >>> ! >>> interface FastEthernet0/1 >>> ! >>> interface FastEthernet0/2 >>> switchport access vlan 26 >>> ! >>> interface FastEthernet0/3 >>> ! >>> interface FastEthernet0/4 >>> ! >>> interface FastEthernet0/5 >>> ! >>> interface FastEthernet0/6 >>> switchport trunk encapsulation dot1q >>> switchport trunk native vlan 6 >>> switchport mode trunk >>> switchport nonegotiate >>> ! >>> interface FastEthernet0/7 >>> ! >>> interface FastEthernet0/8 >>> switchport access vlan 52 >>> ! >>> interface FastEthernet0/9 >>> ! >>> interface FastEthernet0/10 >>> ! >>> interface FastEthernet0/11 >>> ! >>> interface FastEthernet0/12 >>> ! >>> interface FastEthernet0/13 >>> switchport trunk encapsulation isl >>> switchport mode trunk >>> channel-group 1 mode on >>> ! >>> interface FastEthernet0/14 >>> switchport trunk encapsulation isl >>> switchport mode trunk >>> channel-group 1 mode on >>> ! >>> interface FastEthernet0/15 >>> switchport trunk encapsulation isl >>> switchport mode trunk >>> channel-group 1 mode on >>> ! >>> interface FastEthernet0/16 >>> shutdown >>> ! >>> interface FastEthernet0/17 >>> shutdown >>> ! >>> interface FastEthernet0/18 >>> shutdown >>> ! >>> interface FastEthernet0/19 >>> shutdown >>> ! >>> interface FastEthernet0/20 >>> shutdown >>> ! >>> interface FastEthernet0/21 >>> shutdown >>> ! >>> interface FastEthernet0/22 >>> ! >>> interface FastEthernet0/23 >>> ! >>> interface FastEthernet0/24 >>> ! >>> interface GigabitEthernet0/1 >>> ! >>> interface GigabitEthernet0/2 >>> ! >>> interface Vlan1 >>> no ip address >>> shutdown >>> ! >>> interface Vlan8 >>> ip address 132.1.8.8 255.255.255.0 >>> ! >>> interface Vlan783 >>> ip address 204.12.1.8 255.255.255.0 >>> ! >>> ip classless >>> ip http server >>> ip http secure-server >>> ! >>> control-plane >>> ! >>> ! >>> line con 0 >>> exec-timeout 0 0 >>> privilege level 15 >>> logging synchronous >>> line vty 0 4 >>> password cisco >>> login >>> line vty 5 15 >>> password cisco >>> login >>> ! >>> end >>> >>> SW2#sh int tru >>> >>> Port Mode Encapsulation Status Native vlan >>> Fa0/6 on 802.1q trunking 6 >>> Po1 on isl trunking 1 >>> >>> Port Vlans allowed on trunk >>> Fa0/6 1-4094 >>> Po1 1-4094 >>> >>> Port Vlans allowed and active in management domain >>> Fa0/6 1,3,5-6,8,10,26,33,52,255,783 >>> Po1 1,3,5-6,8,10,26,33,52,255,783 >>> >>> Port Vlans in spanning tree forwarding state and not pruned >>> Fa0/6 1,3,5-6,8,10,26,33,52,255,783 >>> Po1 1,3,5,10,33,52,255,783 >>> >>> SW2(config-if)#do sh vl >>> >>> VLAN Name Status Ports >>> ---- -------------------------------- --------- >>> ------------------------------- >>> 1 default active Fa0/1, Fa0/3, Fa0/4, >>> Fa0/5 >>> Fa0/7, Fa0/9, Fa0/10, >>> Fa0/11 >>> Fa0/12, Fa0/16, Fa0/17, >>> Fa0/18 >>> Fa0/19, Fa0/20, Fa0/21, >>> Fa0/22 >>> Fa0/23, Fa0/24, Gi0/1, >>> Gi0/2 >>> 3 VLAN0003 active >>> 5 VLAN0005 active >>> 6 VLAN0006 active >>> 8 VLAN0008 active >>> 10 VLAN0010 active >>> 26 VLAN0026 active Fa0/2 >>> 33 VLAN0033 active >>> 52 VLAN0052 active Fa0/8 >>> 255 VLAN0255 active >>> 783 VLAN0783 active >>> 1002 fddi-default act/unsup >>> 1003 token-ring-default act/unsup >>> 1004 fddinet-default act/unsup >>> 1005 trnet-default act/unsup >>> >>> _______________________________________________________________________ >>> Subscription information may be found at: >>> http://www.groupstudy.com/list/CCIELab.html > > _______________________________________________________________________ > Subscription information may be found at: > http://www.groupstudy.com/list/CCIELab.html
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