Default Igmp Filtering And Throttling Configuration; Configuring Igmp Profiles - Cisco Catalyst 2975 Software Configuration Manual

Chapter 22 Configuring IGMP Snooping and MVR

Default IGMP Filtering and Throttling Configuration

Table 22-7
Table 22-7
Feature
IGMP filters
IGMP maximum number of IGMP groups
IGMP profiles
IGMP profile action
When the maximum number of groups is in forwarding table, the default IGMP throttling action is to
deny the IGMP report. For configuration guidelines, see the
section on page 22-28.

Configuring IGMP Profiles

To configure an IGMP profile, use the ip igmp profile global configuration command with a profile
number to create an IGMP profile and to enter IGMP profile configuration mode. From this mode, you
can specify the parameters of the IGMP profile to be used for filtering IGMP join requests from a port.
When you are in IGMP profile configuration mode, you can create the profile by using these commands:
•
•
•
•
•
The default is for the switch to have no IGMP profiles configured. When a profile is configured, if
neither the permit nor deny keyword is included, the default is to deny access to the range of IP
addresses.
OL-19720-02
shows the default IGMP filtering configuration.
Default IGMP Filtering Configuration
deny: Specifies that matching addresses are denied; this is the default.
exit: Exits from igmp-profile configuration mode.
no: Negates a command or returns to its defaults.
permit: Specifies that matching addresses are permitted.
range: Specifies a range of IP addresses for the profile. You can enter a single IP address or a range
with a start and an end address.
Configuring IGMP Filtering and Throttling
Default Setting
None applied
No maximum set
None defined
Deny the range addresses
"Configuring the IGMP Throttling Action"
Catalyst 2975 Switch Software Configuration Guide
22-25