diff options
Diffstat (limited to 'pimd/pim_zebra.c')
| -rw-r--r-- | pimd/pim_zebra.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/pimd/pim_zebra.c b/pimd/pim_zebra.c index 25ac307ac4..653916dead 100644 --- a/pimd/pim_zebra.c +++ b/pimd/pim_zebra.c @@ -1043,10 +1043,12 @@ void igmp_source_forward_start(struct pim_instance *pim, * Protect IGMP against adding looped MFC * entries created by both source and receiver * attached to the same interface. See TODO - * T22. + * T22. Block only when the intf is non DR + * DR must create upstream. */ - if (input_iface_vif_index == - pim_oif->mroute_vif_index) { + if ((input_iface_vif_index == + pim_oif->mroute_vif_index) && + !(PIM_I_am_DR(pim_oif))) { /* ignore request for looped MFC entry */ if (PIM_DEBUG_IGMP_TRACE) { |