Command Line Interface Guide

Command Groups 123
IGMP
show ip dvmrp nexthop D isplays the next hop information on
outgoing interfaces for routing multicast
datagrams.
PE
show ip dvmrp prune Displays the table that lists the router’s
upstream prune information.
PE
show ip dvmrp route Displays the multicast routing information for
DVMRP.
PE
a. For the meaning of each Mode abbreviation, see Mode Types on page 81.
Command Description Mode
a
ip igmp Sets the administrative mode of IGMP in the
system to active.
GC
ip igmp last-member-query-
count
Sets the number of Group-Specific Queries
sent before the router assumes that there are
no local members on the interface.
IC
ip igmp last-member-query-
interval
Configures the Maximum Response Time
inserted in Group-Specific Queries which are
sent in response to Leave Group messages.
IC
ip igmp query-interval Configures the query interval for the specified
interface. The query interval determines how
fast IGMP Host-Query packets are transmitted
on this interface.
IC
ip igmp query-max-response-
time
Configures the maximum response time
interval for the specified interface.
IC
ip igmp robustness Configures the robustness that allows tuning
of the interface.
IC
ip igmp startup-query-count Sets the number of queries sent out on
startup—at intervals equal to the startup
query interval for the interface.
IC
ip igmp startup-query-
interval
Sets the interval between general queries sent
at startup on the interface.
IC
Command Description Mode
a
2CSPC4.X8100-SWUM100.book Page 123 Wednesday, August 29, 2012 6:23 PM