Hello,

Consider the following scenario, typical MPLS setup:  PE -- P -- P -- PE.   The 
P core routers are serving as route-reflectors for PE's.  The topology is a 
RSVP full mesh between PE's only -- the P routers do not have LSPs to anybody, 
they're simply acting as pure signaling & thru-traffic boxes for the transiting 
LSPs between PE's.

Now, because the P core routers don't have LSPs themselves heading to edges, 
there is no 'inet.3' table to fill; thus 'ipv6-tunneling' has nothing to copy 
into inet6.3.   With P routers are acting as RRs for 6PE, you can see the 
obvious problem:  they can't resolve ipv4-mapped-ipv6 next-hops in 6PE, 
therefore closest-exit routing breaks for route-reflector clients (i.e. IPv6 
traffic to a peer in same city exits out via other coast as there is no IGP 
distance to reference).

Now, short of spamming LDP or going LSP-explosion-mode on every RRs, are there 
any recommendations for best practices to cleanly feed resolution reference for 
6PE routes to RR's?  

Thank you in advance!
James

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