diff options
Diffstat (limited to 'pimd/pim_igmpv3.c')
| -rw-r--r-- | pimd/pim_igmpv3.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/pimd/pim_igmpv3.c b/pimd/pim_igmpv3.c index 6ba48d6488..6ed5c501b2 100644 --- a/pimd/pim_igmpv3.c +++ b/pimd/pim_igmpv3.c @@ -1890,6 +1890,7 @@ int igmp_v3_recv_report(struct gm_sock *igmp, struct in_addr from, uint8_t *group_record; uint8_t *report_pastend = (uint8_t *)igmp_msg + igmp_msg_len; struct interface *ifp = igmp->interface; + struct pim_interface *pim_ifp = ifp->info; int i; if (igmp->mtrace_only) @@ -1913,6 +1914,13 @@ int igmp_v3_recv_report(struct gm_sock *igmp, struct in_addr from, /* Collecting IGMP Rx stats */ igmp->igmp_stats.report_v3++; + if (pim_ifp->igmp_version == 2) { + zlog_warn( + "Received Version 3 packet but interface: %s is configured for version 2", + ifp->name); + return -1; + } + num_groups = ntohs( *(uint16_t *)(igmp_msg + IGMP_V3_REPORT_NUMGROUPS_OFFSET)); if (num_groups < 1) { |