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VPN IPV4 Address Format

  • From: Yakov Rekhter <yakov@cisco.com>
  • Date: Wed, 25 Oct 2000 20:00:51 -0700
  • cc: "'mpls@uu.net'" <mpls@UU.NET>

Suresh,

> 2547.bis section 4.1 defines the VPN-IPV4 Address Family and the address is
> defined to be "a 12 byte quantity, beginning with an 8-byte Route
> Distinguisher and ending with a 4-byte IPv4 Address". Where is the prefix
> length (mask length) carried? 

As part of the BGP Multi-Protocol Extension attribute.

Yakov.