Re: forwarding the VTP

Was the switch in transparent mode?

On Sun, Apr 19, 2009 at 4:35 PM, Roy Waterman <roy.waterman_at_gmail.com>wrote:

> As far as I am aware (and someone correct me if I am wrong)...
>
> VTP transparent mode switches will forward received advertisements if:
>
> - vtp version & domain name in received advertisement matches that of
> the vtp trans switch OR
> - the vtp version matches but the transparent switch has a NULL vtp
> domain
>
>
> Cisco documentation does/did state that vtp v2 mode does not check vtp
> version & domain name but that info needs to be updated...
> Refer to:
>
> http://ccie-in-3-months.blogspot.com/2008/07/cco-documentation-errors-vtp-v2.html
>
> However if I were you, I'd test this using actual 3550s/3560s to verify the
> above operation.
>
> Regards
> Roy
>
> 2009/4/19 Narbik Kocharians <narbikk_at_gmail.com>
>
> Next time instead of reloading try to create a VLAN and that would be
>> enough
>> to start propagation of VLANs.
>>
>> On Sun, Apr 19, 2009 at 11:12 AM, <aly.groupstudy_at_gmail.com> wrote:
>>
>> > I recently had a problem where the VTP information were not being
>> > propagated.
>> > I tried to find if there are configuration errors that might do it.
>> >
>> > 1- Make sure your trunks are up ( Obviously)
>> > 2- do not hesitate to reboot the switches ( This worked for me more than
>> > once
>> > and I will defiantly do it in the lab if i even doubt any strange
>> > behaviout)
>> >
>> > VTP configuration
>> >
>> > Cisco Documentation is really poor on this one
>> > Here is what I think but need others to confirm it
>> >
>> > Only VTP V2 transparent mode will forward VLAN info to switches beyond
>> > VTP V1 transparent mode will only forward VLAN info if the VTP domain
>> > matches
>> >
>> > strange command I saw only recently and never even tried it ( VTP mode
>> off)
>> >
>> > Can anyone share his experience about this new command, confirm VTP V1
>> vs
>> > V2
>> > behavior or share any of his troubleshooting experience
>> >
>> >
>> > Blogs and organic groups at http://www.ccie.net
>> >
>> > _______________________________________________________________________
>> > Subscription information may be found at:
>> > http://www.groupstudy.com/list/CCIELab.html
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>>
>>
>> --
>> Narbik Kocharians
>> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>> www.MicronicsTraining.com <http://www.micronicstraining.com/>
>> www.Net-Workbooks.com <http://www.net-workbooks.com/>
>> Sr. Technical Instructor
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
>>
>>
>>
>>
>
>
> --
> Regards
> Roy
>

-- 
Narbik Kocharians
CCSI#30832, CCIE# 12410 (R&S, SP, Security)
www.MicronicsTraining.com
www.Net-Workbooks.com
Sr. Technical Instructor
Blogs and organic groups at http://www.ccie.net