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Catalyst 6000 Family Software Configuration Guide—Releases 6.3 and 6.4
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Chapter 40 Configuring Multicast Services
Configuring Multicast Router Ports and Group Entries
Configuring Multicast Groups
To configure a multicast group manually, perform this task in privileged mode:
Note
With software release 6.3(2) and later releases, the maximum number of Layer 2 multicast entries is
15488.
This example shows how to configure 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
IGMP disabled
VLAN Dest MAC/Route Des Destination Ports or VCs / [Protocol Type]
---- ------------------ ----------------------------------------------------
1 01-00-11-22-33-44* 2/6-12
1 01-11-22-33-44-55* 2/6-12
1 01-22-33-44-55-66* 2/6-12
1 01-33-44-55-66-77* 2/6-12
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:
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)
Task
Command
Step 1
Add one or more multicast MAC addresses to the
CAM table.
set cam
{
static
|
permanent
}
multicast_mac
mod/port
[
vlan
]
Step 2
Verify the multicast group configuration.
show multicast group
[
mac_addr
] [
vlan_id
]
Task
Command
Clear specific, manually configured multicast
router ports.
clear multicast router
mod/port
Clear all manually configured multicast router
ports.
clear multicast router all
