[c-nsp] spanning tree question (again)

[Arnold Nipper]

On 20.07.2005 11:29 Alexander Koch wrote

> Imagine two switches that are (normally) independent of each
> others running MST, now we do a l2circuit between two routers'
> GE trunks to the switches. If I do QinQ here does it have to
> be MST what my customer does, and will I be transporting their
> BPDUs normally? Customer is doing PVST.
> 

QinQ usually is *not* l2 transparent. If you want BPDUs to be 
transmitted you have to set up l2 protocol tunneling.

For CatOS have a look at 
http://www.cisco.com/univercd/cc/td/doc/product/lan/cat6000/sw_8_3/confg_gd/dot1qtnl.htm





Arnold
-- 
Arnold Nipper, AN45