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366 CHAPTER 11: IGMP SNOOPING COMMANDS
History — Introduced in MSS Version 3.0.
Usage — The query response interval is applicable only when the WX is
querier for the subnet. For the WX to become the querier, the
pseudo-querier feature must be enabled on the WX and the WX must
have the lowest IP address among all the WX switches eligible to become
a querier. To enable the pseudo-querier feature, use set igmp querier.
Examples — The following command changes the query response
interval on VLAN orange to 50 tenths of a second (5 seconds):
WX1200# set igmp qri 50 vlan orange
success: change accepted.
See Also
set igmp lmqi on page 360
set igmp oqi on page 363
set igmp qi on page 364
set igmp querier on page 366
set igmp rv on page 368
set igmp querier Enables or disables the IGMP pseudo-querier on a WX, on one VLAN or
all VLANs.
Syntax —
set igmp querier {enable | disable} [vlan vlan-id]
enable — Enables the pseudo-querier.
disable — Disables the pseudo-querier.
vlan vlan-id — VLAN name or number. If you do not specify a
VLAN, the pseudo-querier is enabled or disabled on all VLANs.
Defaults — The pseudo-querier is disabled on all VLANs by default.
Access — Enabled.
History — Introduced in MSS Version 3.0.
Usage — 3Com recommends that you use the pseudo-querier only
when the VLAN contains local multicast traffic sources and no multicast
router is servicing the subnet.