Multicast Routing Commands

4-295

4

This example lists all entries in the multicast table in summary form:

DVMRP Multicast Routing Commands

router dvmrp

This command enables Distance-Vector Multicast Routing (DVMRP) globally for the

router and to enter router configuration mode. Use the no form to disable DVMRP

multicast routing.

Syntax

[no] router dvmrp

Console#show ip mroute summary
IP Multicast Forwarding is enabled.
IP Multicast Routing Table (Summary)
Flags: P - Prune UP
Group Source Source Mask Interface Owner Flags
--------------- --------------- --------------- ---------- ------- ------
224.1.1.1 10.1.0.0 255.255.0.0 vlan1 DVMRP P
224.2.2.2 10.1.0.0 255.255.0.0 vlan1 DVMRP --
Console#

Table4-102 DVMRP Multicast Routing Commands

Command Function Mode Page
router dvmrp Enables DVMRP and enters router configuration mode GC 4-295
probe-interval Sets the interval for sending neighbor probe messages RC 4-296
nbr-timeout Sets the delay before declaring an attached neighbor
router down
RC 4-297
report-interval Sets the interval for propagating the complete set of routing
tables to other neighbor routers
RC 4-297
flash-update-interval Sets the interval for sending updates about changes to
network topology
RC 4-298
prune-lifetime Defines how long a prune state remains in effect for a
source-routed multicast tree
RC 4-298
default-gateway Configures the default gateway for IP multicast routing RC 4-299
ip dvmrp Enables DVMRP on the specified interface IC 4-299
ip dvmrp metric Sets the metric used when esta blishing reverse paths to
some networks on directly attached interfaces
IC 4-300
clear ip dvmrp route Clears all dynamic routes in the multicast routing table PE 4-301
show router dvmrp Displays global DVMRP configuration settings NE, PE 4-301
show ip dvmrp route Displays DVMRP routing information NE, PE 4-302
show ip dvmrp neighbor Displays DVMRP neighbor information NE, PE 4-303
show ip dvmrp interface Displays DVMRP configurati on settings for the interfaces NE, PE 4-303