Command Line Interface
1553-CNH 160 0787 Uen PA2 2005-09-23
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11.6.3.7.1 IGMP snooping
Use this command to enable IGMP snooping acting as querier.
Command level: ecn330(config)#.
Syntax
ecn ip igmp snooping querier {enable|disable}
Default Settings
Disabled.
Command Usage
If multicast routing is not supported on other switches in the network, use
IGMP Snooping and Query to monitor IGMP service requests passing be-
tween multicast clients and servers, and dynamically configure the switch
ports that need to forward multicast traffic.
Example
ecn330(config)# config ecn ip igmp snooping querier en-
able
11.6.3.8 switch-extension
Use this command to add or remove a switch-extension (add or remove an
ELN220, ESN310, ECN320 in ESN310 mode switch or ECN330 switch).
Command level: ecn330(config)#.
Syntax
ecn switch-extension add <switch_type> remote-uplink-
port <port> ip <ip_address>
ecn switch-extension remove <node no>
Arguments:
• switch-extension add/remove – Add or remove a switch
extension on the specified uplink port.
• <switch_type> – The value of the parameter is either
eln220, esn310, ecn320_esn310 or ecn330-switch
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