Black Box LEH1104A-4MMSC, LEH906A-2SFP, LEH908A, LEH906A-2MMST, LEH1008A Command-Line Management

Chapter 7: Command-Line Management

3. Command Syntax:

(no) ip igmp snooping mrouter interface IFNAME IFNAME Specify the name of the interface

4. Example:

The following example shows interface fe1 (port 1) statically configured to be a multicast router interface on vlan1.1: switch_a(config)#interface vlan1.1

switch_a(config-if)#ip igmp snooping mrouter interface fe1 switch_a(config-if)#

IGMP passive snooping:

Report suppression:

1. Command Mode: Interface mode

Logon to Configure Mode (Configure Terminal Mode).

Then logon to Interface mode.

vlan1.1 means vlan 1.

The switch_a(config-if)# prompt will show on the screen. switch_a(config)#interface vlan1.1 switch_a(config-if)#

2. Usage:

Use ip igmp snooping report-suppression command to enable report suppression for IGMP versions 1 and 2. Use the no ip igmp snooping report-suppression command to disable report suppression.

3. Command Syntax:

(no) ip igmp snooping report-suppression

4. Example:

The following example enables report suppression for IGMPv2 reports on vlan1.1: switch_a(config)#interface vlan1.1

switch_a(config-if)#ip igmp version 2

switch_a(config-if)#ip igmp snooping report-suppression switch_a(config-if)#

Force Forwarding Port:

1. Command Mode: Configure mode

Logon to Configure Mode (Configure Terminal Mode). The switch_a(config)# prompt will show on the screen. switch_a(config)#

2. Usage:

Use this command to force forward multicast packet to interface before the interface receiving IGMP query.

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