D-Link 3250TG Product Manual - Page 59

VLAN Name, Query Interval, Response, Robustness Value, Last Member, Host Timeout 1, Router Timeout1

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D-Link DES-3250TG Standalone Layer 2 Switch configured. VLAN Name Allows the entry of the name of the VLAN for which IGMP Snooping is to be configured. Query Interval Allows the entry of a value between 1 and 65535 seconds, with a default of 125 seconds. This specifies the length of time between sending IGMP queries. Max Time Response Sets the maximum amount of time allowed before sending an IGMP response report. A value between 1 and 25 seconds can be entered, with a default of 10 seconds. Robustness Value A tuning variable to allow for VLANs that are expected to lose a large number of packets. A value between 2 and 255 can be entered, with larger values being specified for VLANs that are expected to lose larger numbers of packets. Last Member Query Interval Specifies the maximum amount of time between group-specific query messages, including those sent in response to leave group messages. The default is 1 second. Host Timeout (116711450) Specifies the maximum amount of time a host can be a member of a multicast group without the switch receiving a host membership report. The default is 260 seconds. Router Timeout(116711450) Specifies the maximum amount of time a route will remain in the switch's forwarding table without receiving a membership report. The default is 260 seconds. Leave Timer(116711450) Specifies the maximum amount of time between the switch receiving a leave group message from a host, and the switch issuing a group membership query. If the switch does not receive a response from the group membership query before the Leave Timer expires, the forwarding table entry for the multicast address is deleted from the switch's forwarding table. The default is 2 seconds. 51

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D-Link DES-3250TG Standalone Layer 2 Switch
configured.
VLAN Name
Allows the entry of the name of the
VLAN for which IGMP Snooping is to
be configured.
Query Interval
Allows the entry of a value between
1
and
65535
seconds, with a default of
125
seconds. This specifies the
length of time between sending IGMP
queries.
Max
Response
Time
Sets the maximum amount of time
allowed before sending an IGMP
response report. A value between
1
and
25
seconds can be entered, with
a default of
10
seconds.
Robustness Value
A tuning variable to allow for VLANs
that are expected to lose a large
number of packets. A value between
2
and
255
can be entered, with
larger values being specified for
VLANs that are expected to lose
larger numbers of packets.
Last Member
Query Interval
Specifies the maximum amount of
time between group-specific query
messages, including those sent in
response to leave group messages.
The default is
1
second.
Host Timeout (1-
16711450)
Specifies the maximum amount of
time a host can be a member of a
multicast group without the switch
receiving a host membership report.
The default is
260
seconds.
Router Timeout(1-
16711450)
Specifies the maximum amount of
time a route will remain in the
switch’s forwarding table without
receiving a membership report. The
default is
260
seconds.
Leave Timer(1-
16711450)
Specifies the maximum amount of
time between the switch receiving a
leave group message from a host,
and the switch issuing a group
membership query. If the switch
does not receive a response from the
group membership query before the
Leave Timer expires, the forwarding
table entry for the multicast address
is
deleted
from
the
switch’s
forwarding table. The default is
2
seconds.
51