zebra: create udp socket for mh arp-nd redirection only if failover i…

…s enabled This socket was getting created unconditionally on the first vxlan device config. Later when arp-nd redirection was enabled (happens on first es add) a dup sock-bind would be attempted. This dup-bind would fail with EINVAL causing zebra to mark the socket as "not-ready" for use. Ticket: #2840919 Signed-off-by: Anuradha Karuppiah <[email protected]>
donaldsharp · Dec 7, 2024 · 32d98c0 · 32d98c0
1 parent 7b37482
commit 32d98c0
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/zebra/zebra_evpn_arp_nd.c b/zebra/zebra_evpn_arp_nd.c
@@ -577,6 +577,9 @@ void zebra_evpn_arp_nd_if_update(struct zebra_if *zif, bool enable)
  */
 void zebra_evpn_arp_nd_udp_sock_create(void)
 {
+	if (!(zevpn_arp_nd_info.flags & ZEBRA_EVPN_ARP_ND_FAILOVER))
+		return;
+
 	if (zmh_info->es_originator_ip.s_addr) {
 		struct sockaddr_in sin;
 		int reuse = 1;