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Parameters – Planet Technology IP DSLAM IDL-4801 User Manual

Page 448

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IDL series User Guide

448

Parameters:

Name

Description

queryinterval

<queryinterval-val>

This parameter is used to calculate the entry age out timer, when

no reports or queries are received on the entry. When the value of

this parameter multiplied by 10, it should be greater than the

Query Interval configured at the router. The time for which an

entry created at Igmpsnoop module exists, if no messages are

received for it is approximately (((QueryInterval*10)*Robustness)

+ Query Response Time received in Last Query)

Type: Modify -- Optional

Valid values: 1 - 0xff

anxioustimer

<anxioustimer-val>

This parameter specifies the maximum time (in seconds) before

which the IgmpSnoop module will forward all IGMP membership

reports received. It is started once, whenever the first

membership report is received for a group, to ensure that reports

are forwarded for a sufficiently long time, to take care of any lost

reports. The unit is seconds.

Type: Modify -- Optional

Valid values: 1 - 65535

v1hosttimer

<v1hosttimer-val>

This parameter specifies the maximum time (in seconds), for

which the IgmpSnooping module can assume that there are

Version 1 group members present, for the group for which this

timer is running. The unit of this parameter is seconds.

Type: Modify -- Optional

Valid values: 1 - 260

lastmembqryinterval

<lastmembqryinterval-v

al>

This parameter specifies the Last Member Query Interval that is

the Max Response Time inserted into Group-Specific Queries

sent in response to Leave Group messages, and is also the

amount of time between Group-Specific Query messages. The

value of this parameter may be tuned to modify the leave latency

of the network. A reduced value results in reduced time to detect

the loss of the last member of a group. The unit of this parameter

is one-tenth of second.

Type: Modify -- Optional

Valid values: 1 – 255

robustness

<robustness-val>

This parameter allows tuning for the expected packet loss on a

subnet. The IgmpSnooping module is robust to [RobustnessVar]

packet losses.

Type: Modify -- Optional

Valid values: 2 - 255

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