Configuring Port Ip Multicast Filtering - Cisco WS-C2950SX-48-SI Configuration Manual

Filtering IGMP Traffic

Configuring Port IP Multicast Filtering

IP multicast group profiles consist of one or more ranges of IP multicast addresses that are associated
with a filtering and monitoring action and are configured on a per-switch-port basis. Given a particular
profile that is associated with a switch port, you can configure the filter action.
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The following sections provide switch port IP multicast filtering configurations.
Adding and Listing an IGMP Multicast Filter Profile
To add a multicast address or a range of addresses to an IGMP multicast filter profile, perform this task in
privileged mode:
Task
Step 1 Add a multicast IP address or a range of IP
addresses to an IGMP multicast filter profile.
Step 2 List an IGMP multicast filter profile.
This example shows how to add the multicast IP address 226.1.1.1 to IGMP multicast filter profile 1:
Console> (enable) set igmp filter profile 1 226.1.1.1
Successfully add ip(s) to profile
Console> (enable)
This example shows how to list an IP address for profile 1 when the IGMP multicast filter match-action
is denied:
Console> (enable) show igmp filter profile 1
ProfileId 1: FilterMode deny, IP Range
----------------------------------------------------
226.1.1.1
Console> (enable)
Permitting and Verifying an IGMP Multicast Filter Match-Action
To specify an IGMP multicast filter profile on a switch to permit an IP address or a range of IP addresses,
perform this task in privileged mode:
Task
Step 1
Permit an IP address or range of IP addresses. set igmp filter profile profile_id match-action
Step 2
Verify the permit configuration.
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide
15-20
If the filter action is to permit, the matching IGMP packet is forwarded for normal processing.
If the filter action is to deny, the matching IGMP packet is dropped, discontinuing normal
processing.
Chapter 15
Command
set igmp filter profile profile_id ip_addr
[- ip_addr]
show igmp filter profile profile_id
Command
permit
show igmp filter profile profile_id match-action
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Release 8.1
Configuring Multicast Services
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