Administrator Guide

Table Of Contents
1658 IPv4 and IPv6 Multicast
Configuring and Viewing DVMRP Information
Use the following commands to configure DVMRP on the switch and on
VLAN routing interfaces and to view DVMRP information.
Command Purpose
configure Enter global configuration mode.
ip dvmrp Enable DVMRP on the switch. This command also
enables IGMP.
ip routing Enable IP routing on the switch. IP routing is required for
DVMRP.
ip multicast-routing Enable IP multicast.
interface vlan vlan-id Enter VLAN Interface Configuration mode for the
specified VLAN routing interface.
ip dvmrp Enable DVMRP/IGMP on the interface.
ip dvmrp metric metric Configure the metric (range: 1–31) for an interface. This
value is used in the DVMRP messages as the cost to reach
this network.
exit Exit to Privileged Exec mode.
show ip dvmrp interface
vlan vlan-id]
View the multicast information for the specified interface.
show ip dvmrp neighbor View neighbor information for DVMRP.
show ip dvmrp nexthop View the next hop information on outgoing interfaces for
routing multicast datagrams.
show ip dvmrp prune View the table that lists the router’s upstream prune
information
show ip dvmrp route View the multicast routing information for DVMRP.