Digisol DG-FS4526E, Management Manual

Page: 966 / 1162

C
HAPTER
38 | Multicast Filtering Commands
IGMP Snooping
– 966 –
(such as when using proxy routing), it should ignore version 2 or 3 queries
that do not contain the Router Alert option.
E
XAMPLE
Console(config)#ip igmp snooping router-alert-option-check
Console(config)#
ip igmp snooping
router-port-expire-
time
This command configures the querier time out. Use the no form to restore
the default.
S
YNTAX
ip igmp snooping router-port-expire-time seconds
no ip igmp snooping router-port-expire-time
seconds - The time the switch waits after the previous querier stops
before it considers it to have expired. (Range: 1-65535;
Recommended Range: 300-500)
D
EFAULT
S
ETTING
300 seconds
C
OMMAND
M
ODE
Global Configuration
E
XAMPLE
The following shows how to configure the time out to 400 seconds:
Console(config)#ip igmp snooping router-port-expire-time 400
Console(config)#
ip igmp snooping
tcn-flood
This command enables flooding of multicast traffic if a spanning tree
topology change notification (TCN) occurs. Use the no form to disable
flooding.
S
YNTAX
[ no ] ip igmp snooping tcn-flood
D
EFAULT
S
ETTING
Disabled
C
OMMAND
M
ODE
Global Configuration