[rbridge] Final outcome of outer VLAN tagsonRBridge-RBridgepackets?

[Anoop Ghanwani]

> -----Original Message-----
> From: Dinesh G Dutt [mailto:ddutt at cisco.com] 
> Sent: Tuesday, October 23, 2007 7:21 AM
> To: Silvano Gai
> Cc: Anoop Ghanwani; Radia Perlman; Developing a hybrid router/bridge.
> Subject: Re: [rbridge] Final outcome of outer VLAN 
> tagsonRBridge-RBridgepackets?
> 
> I agree that using a single VLAN solution for IS-IS DRB is weak.
> However, I'm skeptical that another protocol that also just 
> sends Hellos is much more scalabale or better than IS-IS 
> sending only Hellos on all configured VLANs. 

Dinesh,

The key here is just sending hellos as opposed to maintaining
a full IS-IS adjacency on the VLAN.  As long maintaining the
adjancency and sending LSPs on every VLAN is not required, the
protocol that is used for it doesn't matter.

Anoop