PLANET IGS-10020HPT User Manual

Page 178

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User’s Manual of IGS-10020HPT

Figure 4-8-6:

IGMP Snooping VLAN Configuration Page Screenshot

The page includes the following fields:

Object

Description

VLAN ID

The VLAN ID of the entry.

IGMP Snooping Enable

Enable the per-VLAN IGMP Snooping. Only up to 64 VLANs can be selected.

IGMP Querier

Enable the IGMP Querier in the VLAN.

Compatibility

Compatibility is maintained by hosts and routers taking appropriate actions

depending on the versions of IGMP operating on hosts and routers within a

network. The allowed selection is IGMP-Auto, Forced IGMPv1, Forced IGMPv2,

Forced IGMPv3, default compatibility value is IGMP-Auto.

RV

Robustness Variable

. The Robustness Variable allows tuning for the expected

packet loss on a network.

The allowed range is 1 to 255, default robustness variable value is 2.

QI

Query Interval

. The Query Interval is the interval between General Queries sent

by the Querier.

The allowed range is 1 to 255 seconds, default query interval is 125 seconds.

QRI

Query Response Interval

. The Max Response Time used to calculate the Max

Resp Code inserted into the periodic General Queries.

The allowed range is 0 to 31744 in tenths of seconds, default query response

interval is 100 in tenths of seconds (10 seconds).

LLQI (LMQI for IGMP)

Last Member Query Interval

. The Last Member Query Time is the time value

represented by the Last Member Query Interval, multiplied by the Last Member

Query Count.

The allowed range is 0 to 31744 in tenths of seconds, default last member query

interval is 10 in tenths of seconds (1 second).

URI

Unsolicited Report Interval

. The Unsolicited Report Interval is the time between

repetitions of a host's initial report of membership in a group.

The allowed range is 0 to 31744 seconds, default unsolicited report interval is 1

second.

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