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pimd: fix IGMP querier election

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Match by exact address rather than by prefix match to
determine if we generated the IGMPP query. Othwerwise
we will be ignoring IGMP queries coming from other
hosts on the same subnet.

Signed-off-by: Nathan Bahr <nbahr@atcorp.com>
Reviewed-by: Jafar Al-Gharaibeh <jafar@atcorp.com>
This commit is contained in:
Nathan Bahr 2020-08-24 13:52:51 -05:00 committed by Jafar Al-Gharaibeh
parent d05d3f7a6f
commit bcdb04e68b
1 changed files with 1 additions and 1 deletions
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2
pimd/pim_igmp.c
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@ -310,7 +310,7 @@ static int igmp_recv_query(struct igmp_sock *igmp, int query_version,
return 0;
}
if (if_lookup_address(&from, AF_INET, ifp->vrf_id)) {
if (if_lookup_exact_address(&from, AF_INET, ifp->vrf_id)) {
if (PIM_DEBUG_IGMP_PACKETS)
zlog_debug("Recv IGMP query on interface: %s from ourself %s",
ifp->name, from_str);