Re: Local updater ID in VTP

Thanks Andrew for the comment ....

Regards
Anantha Subramanian Natarajan

On Mon, Aug 31, 2009 at 3:31 PM, ALL From_NJ <all.from.nj_at_gmail.com> wrote:

> To me, it is helpful to see where my switch has learned it's VTP info from
> ... even multiple L2 hops away, the remote switch will show that the
> configuration was last modified by the IP of x.x.x.x .
>
> This IP address is the VTP server's IP address, the IP used in the local
> identifier. As you did below, you can set this to be a different interface
> if you want, for management reasons it might be easier to see a loopback or
> another IP present in remote switches vtp output.
>
> Also (thinking out loud here) ... if your switch has learned about VLANs
> from a different IP or a different switch, then this could indicate a config
> problem or, perhaps you introduced a switch that had a higher config
> revision number.
>
> HTH,
>
> Andrew
>
>
>
>
> On Mon, Aug 31, 2009 at 2:41 PM, Anantha Subramanian Natarajan <
> anantha.natarajan_at_gravitant.com> wrote:
>
>> Hi All,
>>
>> I am trying to confirm my understanding on how Local Updater ID is
>> choosen
>> on the switch for the VTP.Kindly let me know your comments on the below
>> order which I think may be the switch select the local updater ID
>>
>>
>> 1) IP address of the interface specified in the "vtp interface <interface
>> name>"
>> 2) Lowest numbered VLAN interface found(Number of the vlan and not the ip
>> address under the SVI is considered for choosing ..for example int vlan
>> 10,int vlan 11...the switch selects the vlan 10 ip address irrespective of
>> the ip addresses on the vlan 10 and vlan 11)
>> 3) First layer3 interface found (Again the lowest number or lowest order
>> of the layer three interface found ..for example loopback10,looback
>> 11...it
>> chooses the loopback 10 ip address)
>>
>> Was able to verify on the switch but wants to hear your comment,if I
>> missed
>> something.
>>
>> Thank You for the assistance
>>
>> Regards
>> Anantha Subramanian Natarajan
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
>>
>>
>>
>>
>
>
> --
> Andrew Lee Lissitz
> all.from.nj_at_gmail.com

Blogs and organic groups at http://www.ccie.net
Received on Mon Aug 31 2009 - 15:39:24 ART