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author | Quentin Young <qlyoung@users.noreply.github.com> | 2017-07-18 18:11:35 +0200 |
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committer | GitHub <noreply@github.com> | 2017-07-18 18:11:35 +0200 |
commit | 8ed86a5d2062084ecc5c1d0035f286ff6aad9bd7 (patch) | |
tree | 8303be6a374af0e9bb4adaa708883f28a13e6dde /zebra | |
parent | Merge pull request #833 from dslicenc/cm16779-bgp-startup-ll (diff) | |
parent | Add 1 more identation to correspond to kernel style multi-line comment (diff) | |
download | frr-8ed86a5d2062084ecc5c1d0035f286ff6aad9bd7.tar.xz frr-8ed86a5d2062084ecc5c1d0035f286ff6aad9bd7.zip |
Merge pull request #828 from tigranmartirosyan/master
#752 ARP is not updating if mac address changed on remote side
Diffstat (limited to 'zebra')
-rw-r--r-- | zebra/interface.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/zebra/interface.c b/zebra/interface.c index 02c2a6c15..4bce42f22 100644 --- a/zebra/interface.c +++ b/zebra/interface.c @@ -770,7 +770,17 @@ void 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); - kernel_neigh_update(add, ifp->ifindex, ipv4_ll.s_addr, mac, 6); + + /* + * Remove existed arp record for the interface as netlink + * protocol does not have update message types + * + * supported message types are RTM_NEWNEIGH and 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++; } |