Re: L2PT : STP BPDU Tunnel through a VTP Transparent Switch

From: Pavel Bykov (slidersv@gmail.com)
Date: Wed Mar 25 2009 - 11:36:48 ART

for l2 tunnel:
On SW2 fa0/1 and fa0/3
do:
switch mode access
switch access vlan 100
l2protocol-tunnel
l2protocol-tunnel vtp

http://www.cisco.com/en/US/docs/switches/lan/catalyst3560/software/release/12.2_50_se/command/reference/cli1.html#wp10818077

On Wed, Mar 25, 2009 at 3:15 PM, Divin Mathew John <divinjohn@gmail.com>wrote:

> My Setup is as follows
>
> Switch 1 <------> Switch 2 <--------> Switch 3
>
> Switch 1 Config
> VTP Mode : Server
> Vlans : 1,10,20,30,40
> Trunk Ports to Switch 2 fa0/2 encap:dot1q
> Vtp domain:cisco
>
> Switch 2 Config
> Vtp mode :transparent
> vlans:1,100 200
> Trunk Ports to Switch 1 fa0/1 to switch 3 fa0/3
> vtp domain:cisco
>
> Switch 3 config
> Vtp Mode:Client
> Vlans : 1,10,20,30,40
> Trunk ports to Switch 2 fa0/2
> vtp domain :cisco
>
> now... All vlans are synchronized using VTP. but when running PVST+
> the BPDU from Switch 1 doesnt transparently bridge thru switch 2 due
> to non existence of vlans 10,20,30,40.
>
> So to solve this how do i implement L2 protocol Tunneling using Q-in-Q
> Tunneling.
>
>
> Thanking You
>
> Yours Sincerely
>
> Divin Mathew John
> divinjohn@gmail.com
> divin@dide3d.com
> +91 9945430983
> +91 9846697191
> +974 5008916
> Sent from: Bangalore KA India.
>
>
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-- 
Pavel Bykov
----------------
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