Multimedia Traffic Control with IP Multicast (IGMP)
CLI: Configuring and Displaying IGMP
You can also combine the ip igmp command with other IGMP-related
commands, as described in the following sections.
Configuring Per-Port IGMP Packet Control. Use this command in the
VLAN context to specify how each port should handle IGMP traffic.
Syntax: vlan < vid > ip igmp
Enables IGMP on the specified VLAN. In a VLAN context,
use only
ip igmp without the VLAN specifier.
auto < port-list > (Default operation)
Filter multicast traffic on the specified ports. Forward
IGMP traffic to hosts on the ports that belong to the
multicast group for which the traffic is intended. (Also
forward any multicast traffic through any of these ports
that is connected to a multicast router.) This is the default
IGMP port configuration.
blocked < port-list >
Drop all multicast traffic received from devices on the
specified ports, and prevent any outgoing multicast
traffic from moving through these ports.
forward < port-list >
Forward all multicast traffic through the specified port.
For example, suppose you wanted to configure IGMP as follows for VLAN 1
on ports A1 - A6:
■ Ports A1 - A2: Auto
■ Ports A3 - A4: Forward
■ Ports A5 - A6: Block
Depending on the privilege level, you could use one of the following
commands to configure IGMP on VLAN 1 with the above settings:
ProCurve(config)# vlan 1
ProCurve(vlan-1)# ip igmp auto a1,a2
ProCurve(vlan-1)# ip igmp forward a3,a4
ProCurve(vlan-1)# ip igmp blocked a5,a6
The following command displays the VLAN and per-port configuration
resulting from the above commands.
ProCurve> show ip igmp 1 config
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