bgpd: evpn convey svi_ip to zebra post vni add

Problem:
With advertise_svi_ip knob enabled per vni.
Post vni flap, svi MAC-IP route are not originated.

Fix:
When a vni is flapped, upon re-add
send advetise_svi_ip knob to zebra.

Workaround:
re-configure advertise-svi-ip under l2vpn/evpn.

Ticket:CM-26001
Reviewed By:CCR-9118
Testing Done:

With advertise-svi-ip enabled under l2vpn/evpn
in bgp default instance.
Validated vni del/create post ifdown vxlan device
followed by ifup vxlan device.

Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>

diff --git a/bgpd/bgp_evpn.c b/bgpd/bgp_evpn.c
index 1f8ea48389800a7a266d2749c6d7905e2fe310e3..4949519a9bb99716bafae86ab59aa48f507692d6 100644 (file)
--- a/bgpd/bgp_evpn.c
+++ b/bgpd/bgp_evpn.c
@@ -5808,6 +5808,9 @@ int bgp_evpn_local_vni_add(struct bgp *bgp, vni_t vni,
           It needs to be conveyed again to zebra */
        bgp_zebra_advertise_gw_macip(bgp, vpn->advertise_gw_macip, vpn->vni);
 
+       /* advertise svi mac-ip knob to zebra */
+       bgp_zebra_advertise_svi_macip(bgp, vpn->advertise_svi_macip, vpn->vni);
+
        return 0;
 }