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bgpd: Set nh ifindex to VRF's interface, not the real

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The kernel will lookup the real interface later.

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
This commit is contained in:
Donatas Abraitis 2023-01-15 12:43:37 +02:00
parent b2cfd204a8
commit 8a02d9fe1e
1 changed files with 9 additions and 1 deletions
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10
bgpd/bgp_mplsvpn.c
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@ -1868,6 +1868,7 @@ static bool vpn_leak_to_vrf_update_onevrf(struct bgp *to_bgp, /* to */
struct bgp_path_info *bpi_ultimate = NULL; struct bgp_path_info *bpi_ultimate = NULL;
int origin_local = 0; int origin_local = 0;
struct bgp *src_vrf; struct bgp *src_vrf;
struct interface *ifp;
int debug = BGP_DEBUG(vpn, VPN_LEAK_TO_VRF); int debug = BGP_DEBUG(vpn, VPN_LEAK_TO_VRF);
@ -1961,9 +1962,16 @@ static bool vpn_leak_to_vrf_update_onevrf(struct bgp *to_bgp, /* to */
/* If the path has accept-own community and the source VRF /* If the path has accept-own community and the source VRF
* is valid, reset next-hop to self, to allow importing own * is valid, reset next-hop to self, to allow importing own
* routes between different VRFs on the same node. * routes between different VRFs on the same node.
* Set the nh ifindex to VRF's interface, not the real interface.
* Let the kernel to decide with double lookup the real next-hop
* interface when installing the route.
*/ */
if (src_bgp) if (src_bgp) {
subgroup_announce_reset_nhop(nhfamily, &static_attr); subgroup_announce_reset_nhop(nhfamily, &static_attr);
ifp = if_get_vrf_loopback(src_vrf->vrf_id);
if (ifp)
static_attr.nh_ifindex = ifp->ifindex;
}
switch (nhfamily) { switch (nhfamily) {
case AF_INET: case AF_INET: