C
HAPTER
37
| Multicast Filtering Commands
IGMP Filtering and Throttling
– 868 –
show ip igmp
snooping mrouter
This command displays information on statically configured and
dynamically learned multicast router ports.
SYNTAX
show ip igmp snooping mrouter [vlan vlan-id]
vlan-id - VLAN ID (Range: 1-4093)
DEFAULT SETTING
Displays multicast router ports for all configured VLANs.
COMMAND MODE
Privileged Exec
COMMAND USAGE
Multicast router port types displayed include Static or Dynamic.
EXAMPLE
The following shows the ports in VLAN 1 which are attached to multicast
routers.
Console#show ip igmp snooping mrouter vlan 1
VLAN M'cast Router Ports Type
---- ------------------- -------
1 Eth 1/10 Static
Console#
IGMP FILTERING AND THROTTLING
In certain switch applications, the administrator may want to control the
multicast services that are available to end users. For example, an IP/TV
service based on a specific subscription plan. The IGMP filtering feature
fulfills this requirement by restricting access to specified multicast services
on a switch port, and IGMP throttling limits the number of simultaneous
multicast groups a port can join.
Table 124: IGMP Filtering and Throttling Commands
Command Function Mode
ip igmp filter Enables IGMP filtering and throttling on the switch GC
ip igmp profile Sets a profile number and enters IGMP filter profile
configuration mode
GC
permit, deny Sets a profile access mode to permit or deny IPC
range Specifies one or a range of multicast addresses for a
profile
IPC
ip igmp filter Assigns an IGMP filter profile to an interface IC
ip igmp max-groups Specifies an IGMP throttling number for an interface IC
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