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| author | Trey Aspelund <taspelund@nvidia.com> | 2022-07-26 22:04:14 +0000 |
|---|---|---|
| committer | Trey Aspelund <taspelund@nvidia.com> | 2022-08-04 20:36:49 +0000 |
| commit | 7226bc40d606e30251024032995ff21c391ad19f (patch) | |
| tree | 375eda5248ac1ca7cfc2344c1c67f3051ffebfae /zebra/kernel_socket.c | |
| parent | 109153dde80ff0afde942fca4e23c9df6d2fc803 (diff) | |
bgpd: ignore NEXT_HOP for MP_REACH_NLRI
RFC 4760 states we SHOULD ignore the NEXT_HOP attribute for BGP Update
messages carrying only MP_REACH_NLRI attributes. Thus we should use the
Network Address of Next Hop field of the MP_REACH_NLRI as the nexthop.
Instead of always looking for BGP_ATTR_NEXT_HOP, this commit ensures:
1) we set mp_nexthop_len to BGP_ATTR_NHLEN_IPV4 for v4 bgp_static routes
2) we check mp_nexthop_len when choosing the nexthop to use for nht
3) we check mp_nexthop_len when choosing the nexthop to send to zebra
4) we check mp_nexthop_len when picking the nexthop to shown by vtysh
Reported-by: Binon Gorbutt <binon@aervivo.com>
Signed-off-by: Trey Aspelund <taspelund@nvidia.com>
Diffstat (limited to 'zebra/kernel_socket.c')
0 files changed, 0 insertions, 0 deletions