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fix #752 problem: ARP is not updating if mac address changed on remote side

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tigranmartirosyan 2017-07-03 23:05:58 +04:00
parent 8186327f3d
commit a08b8b0f17
1 changed files with 13 additions and 0 deletions
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13
zebra/interface.c
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@ -782,7 +782,20 @@ if_nbr_ipv6ll_to_ipv4ll_neigh_update (struct interface *ifp,
inet_pton (AF_INET, buf, &ipv4_ll);
ipv6_ll_address_to_mac(address, (u_char *)mac);
/*
* Remove existed arp record for the interface,
* because netlink protocol does not support message for update.
* supported commands RTM_NEWNEIGH or RTM_DELNEIGH
*/
kernel_neigh_update (0, ifp->ifindex, ipv4_ll.s_addr, mac, 6);
/*
* Add arp record
*/
kernel_neigh_update (add, ifp->ifindex, ipv4_ll.s_addr, mac, 6);
zvrf->neigh_updates++;
}