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Chapter 15
Configuring Multicast Services
This example shows how to define multicast groups manually and verify the configuration (the asterisks
indicate the entry was manually configured):
Console> (enable) set cam static 01-00-11-22-33-44 2/6-12
Static multicast entry added to CAM table.
Console> (enable) set cam static 01-11-22-33-44-55 2/6-12
Static multicast entry added to CAM table.
Console> (enable) set cam static 01-22-33-44-55-66 2/6-12
Static multicast entry added to CAM table.
Console> (enable) set cam static 01-33-44-55-66-77 2/6-12
Static multicast entry added to CAM table.
Console> (enable) show multicast group
CGMP enabled
IGMP disabled
VLAN
----
1
1
1
1
Total Number of Entries = 4
Console> (enable)
Clearing Multicast Router Ports
To clear manually configured multicast router ports, perform one of these tasks in privileged mode:
Task
Disable specific manually configured multicast
router ports.
Disable all manually configured multicast router
ports.
This example shows how to clear a manually configured multicast router port entry:
Console> (enable) clear multicast router 2/12
Port 2/12 cleared from multicast router port list.
Console> (enable)
Clearing Multicast Group Entries
To disable manually configured multicast group entries, perform this task in privileged mode:
Task
Clear a multicast group entry from the CAM table. clear cam mac_addr [vlan]
This example shows how to clear a multicast group entry from the CAM table:
Console> (enable) clear cam 01-11-22-33-44-55 1
CAM entry cleared.
Console> (enable)
78-12647-02
Dest MAC/Route Des
Destination Ports or VCs / [Protocol Type]
------------------
----------------------------------------------------
01-00-11-22-33-44*
2/6-12
01-11-22-33-44-55*
2/6-12
01-22-33-44-55-66*
2/6-12
01-33-44-55-66-77*
2/6-12
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
Configuring Multicast Router Ports and Group Entries
Command
clear multicast router mod_num/port_num
clear multicast router all
Command
15-17
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Troubleshooting
