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bgpd: fix vpnv6 nexthop encoding

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In ipv6 vpn, when the global and the local ipv6 address are received,
when re-transmitting the bgp ipv6 update, the nexthop attribute
length must still be 48 bytes.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2023-01-19 11:04:37 +01:00
parent e2fd75fce2
commit 35ac9b53f2
1 changed files with 2 additions and 2 deletions
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4
bgpd/bgp_attr.c
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@ -4028,8 +4028,8 @@ size_t bgp_packet_mpattr_start(struct stream *s, struct peer *peer, afi_t afi,
} }
} break; } break;
case SAFI_MPLS_VPN: { case SAFI_MPLS_VPN: {
if (attr->mp_nexthop_len if (attr->mp_nexthop_len ==
== BGP_ATTR_NHLEN_IPV6_GLOBAL_AND_LL) { BGP_ATTR_NHLEN_VPNV6_GLOBAL_AND_LL) {
stream_putc(s, 48); stream_putc(s, 48);
stream_putl(s, 0); /* RD = 0, per RFC */ stream_putl(s, 0); /* RD = 0, per RFC */
stream_putl(s, 0); stream_putl(s, 0);