53-4
User Guide for Cisco Security Manager 4.4
OL-28826-01
Chapter 53 Configuring Multicast Policies on Firewall Devices
Configuring IGMP
Configure IGMP Parameters Dialog Box
Use the Configure IGMP Parameters dialog box to configure IGMP parameters for an interface on the
security appliance.
Navigation Path
You can access the Configure IGMP Parameters dialog box from the IGMP Page - Protocol tab. For more
information, see IGMP Page - Protocol Tab, page 53-3.
Related Topics
•IGMP Page - Protocol Tab, page53-3
•Configuring IGMP, page53-2
Field Reference
Forward Interface The name of the interface to which the selected interface forwards
IGMP host reports if IGMP forwarding is enabled.
Table53-1 Protocol Tab (Continued)
Element Description
Table53-2 Configure IGMP Parameters Dialog Box
Element Description
Interface The name of the interface to which the IGMP settings apply.
Forward Interface The name of the interface to which IGMP host reports are forwarded if
IGMP forwarding is enabled.
Version The version of IGMP to enable on the interface. Choose 1 to enable
IGMP Version 1, or 2 to enable IGMP Version 2. Some features require
IGMP Version 2. By default, the security appliance uses IGMP Version
2.
Query Interval The interval, in seconds, at which the designated router sends IGMP
host-query messages. Valid values range from 1 to 3600 seconds. The
default value is 125 seconds.
Response Time The maximum response time, in seconds, advertised in IGMP queries.
If the security appliance does not receive any host reports within the
designated response time, the IGMP group is pruned. Decreasing this
value lets the security appliance prune groups faster. Valid values range
from 1 to 12 seconds. The default value is 10 seconds. Changing this
value is valid only for IGMP Version 2.
Maximum Groups (PIX 6.3) The maximum number of groups enabled for multicast. Valid values
range from 0 to 2000.
PIX 7.x and ASA Only
Enable IGMP When selected, IGMP is enabled on the specified interface.
Group Limit The maximum number of hosts that can join on an interface. Valid
values range from 1 to 500. The default value is 500.