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LB308A
Chapter 5: Web-Based Browser Management
5. Fast-leave: Click on the “fast-leave” drop-down menu from the “fast-leave”
drop-down list to choose “Enable” or “Disable” for the Hardened Ethernet
Extender Switch. Enabling this function will allow members of a multicast group
to leave the group immediately when an IGMP Leave Report Packet is received
by the Hardened Ethernet Extender Switch.
IGMP querier:
1. Query-interval: Click in the “query-interval” text box and specify a new number
from 1–18000. The query-interval field is used to set the time (in seconds)
between transmitting IGMP queries. Entries between 1 and 18000 seconds are
allowed. Default = 125.
2. Max-response-time: Click in the “max-response-time” text box and specify a
new number from 1–124. This determines the maximum amount of time in sec-
onds allowed before sending an IGMP response report. The max-response-time
field allows an entry between 1 and 124 (seconds). Default = 10.
IGMP passive snooping:
1. Report suppression: Click on the “report suppression” drop-down menu from
“report suppression” drop-down list to choose “Enable” or “Disable” for the
Hardened Ethernet Extender Switch. Use this command to enable report sup-
pression for IGMP version 1 and version 2. Report suppression does not apply
to IGMP version 3, and is turned off by default for IGMP version 1 and IGMP
version 2 reports. The Hardened Ethernet Extender Switch uses IGMP report
suppression to forward only one IGMP report per multicast router query to
multicast devices. When IGMP router suppression is enabled, the Hardened
Ethernet Extender Switch sends the first IGMP report from all hosts for a group
to all the multicast routers. The Hardened Ethernet Extender Switch does not
send the remaining IGMP reports for the group to the multicast routers. This
feature prevents duplicate reports from being sent to the multicast devices.
2. Update Setting: Click on the “Update Setting” button when you finish IGMP
Snooping.