From: DP (rizacer@gmail.com)
Date: Thu Dec 07 2006 - 21:24:32 ART
You should be able to see the pruned vlans with " show interfaces pruning"
The VLAN's should still show in the VLAN database. Which is confirmed from
your "sh vlan" output.
DP
On 12/7/06, Michael Zuo <mzuo@ixiacom.com> wrote:
>
> Hi Group,
>
>
>
> Did not hear from anyone on this. Just thought I posted again because I
> am dying to know :-) . if you have a doc link explaining this, that
> would be great (the doc command reference only shows an example without
> explanation)
>
>
>
>
>
>
>
> I enabled VTP pruning between SW1 and SW2 where SW2 is the server (see
> below). SW2 has ports in VLAN 2 and 3 and SW1 has ports in VLAN 2 and
> 4. shouldn't the VTP pruning allow only VLAN 1 and 2 to go over the
> trunks since VLAN 2 is the only VLAN used by both switches? Why does my
> output shows that SW2 allows 1,2,4 and SW1 allows 1 and 3?
>
>
>
>
>
>
>
> Thanks in advance....
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> SW2(config)#do sh vlan
>
>
>
>
>
>
>
> VLAN Name Status Ports
>
>
>
> ---- -------------------------------- ---------
>
> -------------------------------
>
>
>
> 1 default active Fa0/1, Fa0/4, Fa0/5,
>
> Fa0/6
>
>
>
> Fa0/7, Fa0/8, 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
>
>
>
> 2 VLAN0002 active Fa0/2
>
>
>
> 3 VLAN0003 active Fa0/3
>
>
>
> 4 VLAN0004 active
>
>
>
> 26 VLAN0026 active
>
>
>
> 43 VLAN0043 active
>
>
>
> 55 VLAN0055 active
>
>
>
> 62 VLAN0062 active
>
>
>
> 1002 fddi-default act/unsup
>
>
>
> 1003 token-ring-default act/unsup
>
>
>
> 1004 fddinet-default act/unsup
>
>
>
> 1005 trnet-default act/unsup
>
>
>
>
>
>
>
> VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1
>
> Trans2
>
>
>
> ---- ----- ---------- ----- ------ ------ -------- ---- -------- ------
>
> ------
>
>
>
>
>
>
>
> SW2(config)#do sh int trun
>
>
>
>
>
>
>
> Port Mode Encapsulation Status Native vlan
>
>
>
> Fa0/13 on 802.1q trunking 1
>
>
>
> Fa0/14 on 802.1q trunking 1
>
>
>
> Fa0/15 desirable n-802.1q trunking 1
>
>
>
>
>
>
>
> Port Vlans allowed on trunk
>
>
>
> Fa0/13 1-4094
>
>
>
> Fa0/14 1-4094
>
>
>
> Fa0/15 1-4094
>
>
>
>
>
>
>
> Port Vlans allowed and active in management domain
>
>
>
> Fa0/13 1-4,26,43,55,62
>
>
>
> Fa0/14 1-4,26,43,55,62
>
>
>
> Fa0/15 1-4,26,43,55,62
>
>
>
>
>
>
>
> Port Vlans in spanning tree forwarding state and not pruned
>
>
>
> Fa0/13 1-2,4
>
>
>
> Fa0/14 none
>
>
>
> Fa0/15 none
>
>
>
> SW2(config)#do sh vtp st
>
>
>
> VTP Version : 2
>
>
>
> Configuration Revision : 3
>
>
>
> Maximum VLANs supported locally : 1005
>
>
>
> Number of existing VLANs : 12
>
>
>
> VTP Operating Mode : Server
>
>
>
> VTP Domain Name : CCIE
>
>
>
> VTP Pruning Mode : Enabled
>
>
>
> VTP V2 Mode : Disabled
>
>
>
> VTP Traps Generation : Disabled
>
>
>
> MD5 digest : 0xA2 0xCA 0x34 0x8F 0x26 0x52 0xD2
>
> 0x1F
>
>
>
> Configuration last modified by 0.0.0.0 at 3-1-93 00:11:44
>
>
>
> Local updater ID is 0.0.0.0 (no valid interface found)
>
>
>
> SW2(config)#
>
>
>
>
>
>
>
>
>
>
>
> SW1(config)#do sh vlan
>
>
>
>
>
>
>
> VLAN Name Status Ports
>
>
>
> ---- -------------------------------- ---------
>
> -------------------------------
>
>
>
> 1 default active Fa0/1, Fa0/3, Fa0/5,
>
> Fa0/6
>
>
>
> Fa0/7, Fa0/8, 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
>
>
>
> 2 VLAN0002 active Fa0/2
>
>
>
> 3 VLAN0003 active
>
>
>
> 4 VLAN0004 active Fa0/4
>
>
>
> 26 VLAN0026 active
>
>
>
> 43 VLAN0043 active
>
>
>
> 55 VLAN0055 active
>
>
>
> 62 VLAN0062 active
>
>
>
> 1002 fddi-default act/unsup
>
>
>
> 1003 token-ring-default act/unsup
>
>
>
> 1004 fddinet-default act/unsup
>
>
>
> 1005 trnet-default act/unsup
>
>
>
>
>
>
>
> VLAN Type SAID MTU Parent RingNo BridgeNo Stp BrdgMode Trans1
>
> Trans2
>
>
>
> ---- ----- ---------- ----- ------ ------ -------- ---- -------- ------
>
> ------
>
>
>
>
>
>
>
> SW1(config)#do sh inter trun
>
>
>
>
>
>
>
> Port Mode Encapsulation Status Native vlan
>
>
>
> Fa0/13 on 802.1q trunking 1
>
>
>
> Fa0/14 on 802.1q trunking 1
>
>
>
> Fa0/15 on 802.1q trunking 1
>
>
>
>
>
>
>
> Port Vlans allowed on trunk
>
>
>
> Fa0/13 1-4094
>
>
>
> Fa0/14 1-4094
>
>
>
> Fa0/15 1-4094
>
>
>
>
>
>
>
> Port Vlans allowed and active in management domain
>
>
>
> Fa0/13 1-4,26,43,55,62
>
>
>
> Fa0/14 1-4,26,43,55,62
>
>
>
> Fa0/15 1-4,26,43,55,62
>
>
>
>
>
>
>
> Port Vlans in spanning tree forwarding state and not pruned
>
>
>
> Fa0/13 1,3
>
>
>
> Fa0/14 1
>
>
>
> Fa0/15 1
>
>
>
> SW1(config)#do sh vtp st
>
>
>
> VTP Version : 2
>
>
>
> Configuration Revision : 3
>
>
>
> Maximum VLANs supported locally : 1005
>
>
>
> Number of existing VLANs : 12
>
>
>
> VTP Operating Mode : Client
>
>
>
> VTP Domain Name : CCIE
>
>
>
> VTP Pruning Mode : Enabled
>
>
>
> VTP V2 Mode : Disabled
>
>
>
> VTP Traps Generation : Disabled
>
>
>
> MD5 digest : 0xA2 0xCA 0x34 0x8F 0x26 0x52 0xD2
>
> 0x1F
>
>
>
> Configuration last modified by 0.0.0.0 at 3-1-93 00:11:44
>
>
>
> SW1(config)#
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Tue Jan 02 2007 - 07:50:37 ART