Hello Ben,
the formats for RD used for VPNv4 address are: AS:nn or IP:nn - nn being any
unique value.
Now I found this format of RD (X:AS:nn) while reading some stuff on
Multiprotocol BGP and multicast - X here is basically the route
"distinguisher type"
This comes in play while dealing with multicast tunnels via P-routers on the
provider network - which in other words allows the transport of end user
multicast traffic with GRE.
That all I could say; I actually drop that topic since it was not on the R&S
blueprint.
I'm sure others going for SP should be able to elaborate.
Thx
Blogs and organic groups at http://www.ccie.net
Received on Sun Jan 09 2011 - 16:57:15 ART
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