From: Salman Abbas (dukelondon@gmail.com)
Date: Tue Jan 16 2007 - 12:07:41 ART
Hi GS,
Finally I've solved the problem. As per the suggessions from Yasmin, Muhabat
and Saheed, i created an additional VLAN on the VTP Server and the
configuration revision number increased to 1 and then all VLANs started
getting propagated.
Thanks a bunch to all of you!!!!
Cheers,
Salman
On 1/16/07, Yasmin Lara <ylara@sunsetlearning.com> wrote:
>
> Looking at the output of your show status I can see the configuration
> revision number is 0 for both switches. When a switch receives a VTP
> advertisement with a revision number equal to the last revision number he
> got he ignores it. It doesn't matter if the VLAN information is different.
>
> Switch says: "As far as I know I am in sync, my revision number is the
> same as yours" so he ignores the advertisement and never requests any
> details about the VLANs.
>
> Have you try creating an extra VLAN on SW1 to make the revision number go
> up? You can create it and the delete it. It's just to force the revision
> number to go up.
>
> Also, remember that VTP only propagates on trunk links. So make sure there
> is a working trunk connection between the two switches.
>
> Regards,
>
> Yasmin
>
> ________________________________
>
> From: nobody@groupstudy.com on behalf of Salman Abbas
> Sent: Tue 1/16/2007 6:59 AM
> To: Cisco certification
> Subject: Strange VTP problem
>
>
>
> Hi GS,
>
> I'm pulling my hair as I cant figure out why VTP is not getting
> synchronized
> between two directly connected 3550 switches. SW1 is server and SW2 is
> client. I've created a few VLANs on SW1 but they are not being propogated
> to
> SW2 via VTP. Domain name is VTP01 and no vtp password has been configured.
> From my experience the MD5 digest of two switches must be the same if they
> are to exchange VLANs. In this case however, I cant get them to be the
> same
> even though both switches have identical vtp configuration.
>
> The show vtp status command output for the switches is as follows: PLEASE
> help guys!!!!
>
> SW1(config)#do sh vtp sta
> VTP Version : 2
> Configuration Revision : 0
> Maximum VLANs supported locally : 1005
> Number of existing VLANs : 12
> VTP Operating Mode : Server
> VTP Domain Name : VTP01
> VTP Pruning Mode : Disabled
> VTP V2 Mode : Disabled
> VTP Traps Generation : Disabled
> MD5 digest : 0x15 0xD2 0x16 0x8B 0x2B 0xAB 0x98 0x4B
>
> SW2(config)#do sh vtp sta
> VTP Version : 2
> Configuration Revision : 0
> Maximum VLANs supported locally : 1005
> Number of existing VLANs : 5
> VTP Operating Mode : Client
> VTP Domain Name : VTP01
> VTP Pruning Mode : Disabled
> VTP V2 Mode : Disabled
> VTP Traps Generation : Disabled
> MD5 digest : 0x9F 0x69 0x29 0xFF 0xA1 0x48 0xB4 0xAB
>
>
> Thanks in advance!!!!
>
> Regards,
> Salman
>
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