3 igmp snooping vlan configuration – Interlogix NS3550-8T-2S User Manual User Manual

Page 144

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User’s Manual of NS3550-8T-2S

144

: Click to undo any changes made locally and revert to previously saved values.


4.8.3 IGMP Snooping VLAN Configuration

Each page shows up to 99 entries from the VLAN table, default being 20, selected through the "entries per page" input field.
When first visited, the web page will show the first 20 entries from the beginning of the VLAN Table. The first displayed will be
the one with the lowest VLAN ID found in the VLAN Table.
The "VLAN" input fields allow the user to select the starting point in the VLAN Table. The IGMP Snooping VLAN Configuration
screen in

Figure 4-8-6

appears.

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.


Buttons

: Refreshes the displayed table starting from the "VLAN" input fields.

: Updates the table starting from the first entry in the VLAN Table, i.e. the entry with the lowest VLAN ID.

: Updates the table, starting with the entry after the last entry currently displayed.

: Click to save changes.

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