DES-3226S Layer 2 Fast Ethernet Switch User’s Guide
104
The following fields can be set:
Parameter
Description
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 65500 seconds, with a default of 125 seconds.
This specifies the length of time between sending IGMP queries.
Max 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 Variable
A tuning variable to allow for sub-networks 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 sub-networks 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.
Querier State
This field can be Switched using the pull-down menu between
Disabled
and
Enabled
.
Host Timeout
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.
Host Leave Timer
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 Host Leave
Timer expires, the host address is deleted from the Switch’s forwarding table. The default
is 2 seconds.
Route Timeout
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.
State <
Disabled
>
This field can be Switched using the pull-down menu between
Disabled
and
Enabled
.
This is used to enable or disable IGMP Snooping for the specified VLAN.
Содержание DES-3226S
Страница 126: ......