Monitoring igmp & dvmrp – Cabletron Systems SmartSwitch User Manual

Page 205

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SmartSwitch Router User Reference Manual

205

Chapter 12: Multicast Routing Configuration Guide

DVMRP tunnels need to be created before being enabled. Tunnels are recognized by the
tunnel name. Once a DVMRP tunnel is created, you can enable DVMRP on the interface.
The SSR supports a maximum of eight tunnels.

To configure a DVMRP tunnel, enter the following command in Configure mode:

You can also control the rate of DVMRP traffic in a DVMRP tunnel. The default rate is 500
Kbps.

To control the rate of DVMRP traffic, enter the following command in Configure mode:

Monitoring IGMP & DVMRP

You can monitor IGMP and DVMRP information on the SSR.

To display IGMP and DVMRP information, enter the following commands in the Enable
mode.

Configure a DVMRP tunnel to MBONE.

dvmrp create tunnel

<string>

local

<ip-addr>

remote

<ip-addr>

Configure the rate in a DVMRP tunnel.

dvmrp set interface

<ip-addr>

rate

<number>

Show all interfaces running
DVMRP. Also shows the neighbors
on each interface.

dvmrp show interface

Display DVMRP routing table.

dvmrp show routes

Shows all the interfaces and
membership details running IGMP.

igmp show interface

Shows all IGMP group
memberships on a port basis.

igmp show memberships

Show all IGMP timers.

igmp show timers

Show information about multicasts
registered by IGMP.

l2-tables show igmp-mcast-registration

Show IGMP status on a VLAN.

l2-tables show vlan-igmp-status

Show all multicast Source, Group
entries.

mulitcast show cache

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