Set Igmp; No Set Igmp - NETGEAR ProSafe GSM7248 User Manual

User Manual for the NETGEAR 7200 Series Layer 2 Managed Switch Software Version 4
• To set the IGMP maximum response for an interface or VLAN see the
• To set the Multicast Router Present Expiration time on an interface or VLAN see the

set igmp

This command enables IGMP Snooping on the system (Global Config Mode) or an interface
(Interface Config Mode).
This command also enables IGMP snooping on a particular VLAN, and in turn enabling IGMP
snooping on all interfaces participating in this VLAN.
If an interface which has IGMP Snooping enabled is enabled for routing or is enlisted as a member
of a port-channel (LAG), IGMP Snooping functionality will be disabled on that interface. IGMP
Snooping functionality will subsequently be re-enabled if routing is disabled or port-channel
(LAG) membership is removed from an interface that has IGMP Snooping enabled.
Note:
The IGMP application supports the following:
• Validation of the IP header checksum (as well as the IGMP header checksum) and discarding
of the frame upon checksum error.
• Maintenance of the forwarding table entries based on the MAC address versus the IP address.
• Flooding of unregistered multicast data packets to all ports in the VLAN.
Default
Format
Modes

no set igmp

This command disables IGMP Snooping on the system.
Format
Modes
Switching Commands
disabled
set igmp <vlanId>
Global Config
Interface Config
Vlan Mode
no set igmp <vlanId>
Global Config
Interface Config
Vlan Mode
202-10102-01, May 2005
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