Ip Igmp Robustness - Avaya Secure Router 3120 Command Reference Manual

MULTICAST COMMANDS

ip igmp robustness

Allows for tuning of the IGMP protocol or interface to accommodate a lossy subnet. IGMP is
robust to (Robustness - 1) packet losses, and this value is advertised in the Querier's
Robustness Variable (QRV) field of Query.
Use the no form of this configuration to return to the default value of Robustness (2). Note:
Specifying a value in the no form has no effect on the configuration.
[no] ip igmp robustness value
parameter
value
example:
The following example configures the default Robustness to be 7.
SR/configure/ip/igmp/interface ethernet 1/0> robustness 7 SR/configure/ip/igmp/interface
ethernet 1/0>
applies to:
All modules
ip igmp send-router-alert
Specifies whether sent IGMP packets will include the Router Alert option in the IP packet
header. This command is enabled by default.
syntax:
[no] ip igmp send-router-alert
example:
The following example turns the send-router-alert option on for ethernet1.
SR/configure/ip/igmp/interface ethernet 1/1> send-router-alert SR/configure/ip/igmp/
interface ethernet 1/1>
applies to:
All modules
756 Avaya Secure Router 3120 Command Reference Guide
an integer between 2 and 10.
definition
December 2010