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Merge pull request #4531 from donaldsharp/repeaty_mcrepeat

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zebra: Handle 5549 neighbor entry failure state
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David Lamparter 2019-06-21 09:05:27 +02:00 committed by GitHub
commit 9578e35d34
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1 changed files with 7 additions and 2 deletions
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zebra/rt_netlink.c
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@ -2417,8 +2417,13 @@ static int netlink_ipneigh_change(struct nlmsghdr *h, int len, ns_id_t ns_id)
}
/* if kernel marks our rfc5549 neighbor entry invalid, re-install it */
if (h->nlmsg_type == RTM_NEWNEIGH && !(ndm->ndm_state & NUD_VALID))
netlink_handle_5549(ndm, zif, ifp, &ip);
if (h->nlmsg_type == RTM_NEWNEIGH && !(ndm->ndm_state & NUD_VALID)) {
if (!(ndm->ndm_state & NUD_FAILED))
netlink_handle_5549(ndm, zif, ifp, &ip);
else
zlog_info("Neighbor Entry for %s has entered a failed state, not reinstalling",
ifp->name);
}
/* The neighbor is present on an SVI. From this, we locate the
* underlying