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[neighsyncd]: Ignore link local neighbor entries #1065

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Merged
prsunny merged 1 commit into from
Sep 20, 2019
Merged

[neighsyncd]: Ignore link local neighbor entries #1065

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4 changes: 3 additions & 1 deletion neighsyncd/neighsync.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,9 @@ void NeighSync::onMsg(int nlmsg_type, struct nl_object *obj)
key+= ":";

nl_addr2str(rtnl_neigh_get_dst(neigh), ipStr, MAX_ADDR_SIZE);

/* Ignore IPv6 link-local addresses as neighbors */
if (family == IPV6_NAME && IN6_IS_ADDR_LINKLOCAL(nl_addr_get_binary_addr(rtnl_neigh_get_dst(neigh))))
return;
/* Ignore IPv6 multicast link-local addresses as neighbors */
if (family == IPV6_NAME && IN6_IS_ADDR_MC_LINKLOCAL(nl_addr_get_binary_addr(rtnl_neigh_get_dst(neigh))))
return;
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