[rbridge] Proposed resolution of DRB election/MTU testing

[mike shand]

On 01/05/2009 Radia Perlman wrote:
> **********
> Now a refinement that would be useful to discuss:
>
> While we're on the subject, one extra field that could make things even 
> safer would
>
> be a TLV for "this is the (ID, priority) of who I think is DRB".
The LAN ID field in the IS-IS hello already tells you who the sender 
thinks is the DIS, but it doesn't include the priority. Instead it has 
the ID assigned by the DIS. Why would you want the priority?

    Mike