[c-nsp] tag-switching advertise-tags for?

[Robert Kiessling]

Jon Lewis wrote:
> If I understood you correctly, I'll need an extra lo on each PE (one for 
> vpnv4 BGP peering, one for ipv4 peering, twice as many BGP sessions, and 
> will have to set things up so that each session is strictly vpnv4 or 
> ipv4, but not both (or only accepts routes in the appropriate 
> address-family).

Correct. Unless you use the "bgp nexthop" feature under
"ip vrf" that Aamer mentioned. But that requires configuration
on each VRF and a second Loopback address on each PE.

Robert