3Com 10002211 manual Displaying the, Multicast Cache

Models: 10002211

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Displaying the

A-10 APPENDIX A: IP MULTICAST ROUTING

Displaying the

 

 

The multicast cache contains the IP source address and destination address

Multicast Cache

 

 

for packets observed on the system. The multicast cache shows you how

 

 

 

 

 

 

 

information is routed over interfaces and ports in your system.

 

 

 

 

 

 

 

To display all learned routes in the multicast cache:

Top-Level Menu

 

 

1

From the top level of the Administration Console, enter:

system

 

 

 

 

 

 

 

interface

 

 

 

 

ip multicast cacheDisplay

ethernet

 

 

 

 

route

dvmrp

 

 

fddi

 

 

 

arp

igmp

 

 

 

tokenring

 

 

 

multicast

interfaces

 

2

Enter the slot(s) of the switching module for which you want to view the

bridge

 

udpHelper

tunnel

 

ip

 

 

 

multicast cache.

routeDisplay

 

 

ipx

routing

 

 

icmpRouterDis

 

 

 

appletalk

cacheDisplayovery

 

 

 

rip

 

 

 

 

 

snmp

 

 

3 Enter the multicast source address at the prompt.

ping

 

 

analyzer

 

 

script

statistics

 

 

 

 

 

 

 

 

 

 

 

 

logout

 

 

 

 

4 Enter the multicast group address at the prompt.

 

 

 

 

 

 

 

 

 

 

 

 

The DVMRP status and IGMP status appear on the screen.

 

 

 

 

 

 

 

Example:

 

 

 

 

 

 

 

Select IP stack(s) by slot (2,3,7,9-12all) [12]:

 

 

 

 

 

 

 

Enter multicast source address [131.188.0.0]

 

 

 

 

 

 

 

Enter multicast group address [244.2.0.2]

 

 

 

 

 

 

 

DVMRP is enabled, IGMP snooping is enabled

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3Com 10002211 manual Displaying the, Multicast Cache, for packets observed on the system. The multicast cache shows you how