The override interval is the amount of time-delay used for sending override messages to avoid synchronization of override messages when multiple downstream routers share a multiaccess link.
SEFOS(config)# interface vlan 7 SEFOS(config-if)# ipv6 pim componentId 1 SEFOS(config-if)# end
SEFOS# configure terminal SEFOS(config)# interface vlan 7 SEFOS(config-if)# ipv6 pim override-interval 10 SEFOS(config-if)# end
SEFOS# show ipv6 pim interface detail vlan7 34 is up ... PIM Override Interval: 10 ...