Hiroshi Yokoi 7acda14a5d bgp: add code to handle RD 0:0 at the head of nexthop network address in MP_REACH_NLRI path attribute
The second is patch to add or skip RD 0:0 label for the next_hop address in MP_REACH_NLRI attribute.

According to RFC, next_hop address seems to be required to contain RD of 0 when advertise VPN prefix.
This is defined in RFC 4659(3.2.1.1.  BGP Speaker Requesting IPv6 Transport) for VPN-IPv6
and in RFC 4364(4.3.2.  Route Distribution Among PEs by BGP) for VPN-IPv4.

Signed-off-by: Hiroshi Yokoi <yokoi.hiroshi@po.ntts.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
2014-07-31 15:05:15 +09:00
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