From: Jinhong Im (jhim@kornet.net)
Date: Tue Jan 16 2007 - 12:10:44 ART
I have such a experience. It would be the problem coming from different value of MD5 digest on each switch.
I don't remember clearly how I fixed that problem but it would be to change vtp mode and reboot.
cheers,
----- Original Message -----
From: "Tim Gregory" <tgregory@lincoln.ac.uk>
To: "Salman Abbas" <dukelondon@gmail.com>; "Cisco certification" <ccielab@groupstudy.com>
Sent: Tuesday, January 16, 2007 10:06 PM
Subject: RE: Strange VTP problem
> Sometimes it fixes it if you change the VTP domain on the server to
> something random, then back to the real one again to restart the
> advertisment. Its always been a pain on switched networks.
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Salman Abbas
> Sent: 16 January 2007 11:59
> 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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