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| author | Donatas Abraitis <donatas@opensourcerouting.org> | 2023-03-24 13:38:47 +0100 |
|---|---|---|
| committer | Donatas Abraitis <donatas@opensourcerouting.org> | 2023-03-24 13:42:38 +0100 |
| commit | 6cddc4c866fb8fb397112e5a89c74a9ff6359981 (patch) | |
| tree | acf74b9c1cb94428595fc8c70eb369c0ad0be499 /bgpd/bgp_route.c | |
| parent | bgpd: Allow peering via 127.0.0.0/8 (diff) | |
| download | frr-6cddc4c866fb8fb397112e5a89c74a9ff6359981.tar.xz frr-6cddc4c866fb8fb397112e5a89c74a9ff6359981.zip | |
bgpd: Allow self next-hop if `bgp allow-martian-nexthop` is enabled
For instance, if we receive the routes from the peer with the next-hop as me,
but those routes shares the same network, we can fake the next-hop.
Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
Diffstat (limited to '')
| -rw-r--r-- | bgpd/bgp_route.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c index 7365d5321..787aea168 100644 --- a/bgpd/bgp_route.c +++ b/bgpd/bgp_route.c @@ -3830,6 +3830,12 @@ bool bgp_update_martian_nexthop(struct bgp *bgp, afi_t afi, safi_t safi, (type == ZEBRA_ROUTE_BGP && stype == BGP_ROUTE_STATIC) ? true : false; + /* If `bgp allow-martian-nexthop` is turned on, return next-hop + * as good. + */ + if (bgp->allow_martian) + return false; + /* * Only validated for unicast and multicast currently. * Also valid for EVPN where the nexthop is an IP address. |