Kontron AT8404 CLI Bedienungsanleitung Seite 131

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AT8404 Switching Commands
Page 2 - 95 AT8404 CLI Reference Manual
2.18.3 set igmp fast-leave
This command enables or disables IGMP Snooping fast-leave admin mode on a selected interface or VLAN.
Enabling fast-leave allows the switch to immediately remove the layer 2 LAN interface from its forwarding table entry
upon receiving an IGMP leave message for that multicast group without first sending out MAC-based general
queries to the interface.
You should enable fast-leave admin mode only on VLANs where only one host is connected to each layer 2 LAN
port. This prevents the inadvertent dropping of the other hosts that were connected to the same layer 2 LAN port
but were still interested in receiving multicast traffic directed to that group. Also, fast-leave processing is supported
only with IGMP version 2 hosts.
2.18.3.1 no set igmp fast-leave
This command disables IGMP Snooping fast-leave admin mode on a selected interface.
2.18.4 set igmp groupmembership-interval
This command sets the IGMP Group Membership Interval time on a VLAN, one interface or all interfaces. The Group
Membership Interval time is the amount of time in seconds that a switch waits for a report from a particular group on
a particular interface before deleting the interface from the entry. This value must be greater than the IGMPv3
Maximum Response time value. The range is 2 to 3600 seconds.
2.18.4.1 no set igmp groupmembership-interval
This command sets the IGMPv3 Group Membership Interval time to the default value.
Default disabled
Format set igmp fast-leave
Mode Interface Config
Format set igmp fast-leave
<vlan_id>
Mode VLAN Config
Format no set igmp fast-leave
Mode Interface Config
Format no set igmp fast-leave
<vlan_id>
Mode VLAN Config
Default 260 seconds
Format set igmp groupmembership-interval <2-3600>
Mode Interface Config
Global Config
Format set igmp groupmembership-interval <vlan_id> <2-3600>
Mode VLAN Config
Format no set igmp groupmembership-interval
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