System information

2-86

Configuring the Switch

Command Attributes

• Interface – Activates the Port or Trunk scroll down list.

• VLAN ID – Selects the VLAN to propagate all multicast traffic coming from the

attached multicast router/switch.

• Multicast IP – The IP address for a specific multicast service.

• Port or Trunk – Specifies the interface attached to a multicast router.

Web – Click IGMP, IGMP Member Port Table. Specify the interface attached to a

multicast service (via an IGMP-enabled switch or multicast router), indicate the

VLAN that will propagate the multicast service, specify the multicast IP address, and

then click Add. After you have completed adding ports to the member list, click

Apply.

Figure 2-57. IGMP Member Port Table

CLI – This example assigns a multicast address to VLAN 1, and then displays all the

known multicast services supported on VLAN 1.

Showing Port Statistics

You can display standard statistics on network traffic from the Interfaces Group and

Ethernet-like MIBs, as well as a detailed breakdown of traffic based on the RMON

MIB. Interfaces and Ethernet-like statistics display errors on the traffic passing

through each port. This information can be used to identify potential problems with

the switch (such as a faulty port or unusually heavy loading). RMON statistics

provide access to a broad range of statistics, including a total count of different

Console(config)#ip igmp snooping vlan 1 static 224.0.0.12

ethernet 1/12 3-103

Console(config)#exit

Console#show mac-address-table multicast vlan 1 3-105

VLAN M'cast IP addr. Member ports Type

---- --------------- ------------ -------

1 224.0.0.12 Eth1/12 USER

1 224.1.2.3 Eth1/12 IGMP

Console#