Monitor igmp & dvmrp – Cabletron Systems SmartSwitch Router 9032578-02 User Manual
Page 149

SmartSwitch Router User Reference Manual
149
Chapter 8: 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:
Monitor 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
local
remote
Configure the rate in a DVMRP tunnel.
dvmrp set interface
rate
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
