HP Manager Software manual Configuring Igmp

198CHAPTER 5: CONFIGURING WX SYSTEM AND ADMINISTRATIVE PARAMETERS

„100 Mbps, full duplex—18

„100 Mbps, half duplex—19

„10 Mbps, full duplex aggregate link (port group)—90

„10 Mbps, full duplex—95

„10 Mbps, half duplex—100

Specify 0 to use the default cost for the port based on link speed.

7To enable port fast convergence, select the PortFast checkbox.

8Click Finish. The Create VLAN wizard is now active.

9Repeat step 2 through step 8 for each port you want to modify.

10Do one of the following:

„To configure Internet Group Management Protocol (IGMP) information, click Next to display the VLAN IGMP page. (See “Configuring IGMP”.)

„To close the wizard and save the changes, click Finish.

Configuring IGMP

Internet Group Management Protocol (IGMP) snooping controls multicast traffic on a WX by forwarding packets for a multicast group only on the ports that are connected to members of the group. IGMP is especially useful for WLANs because bandwidth is relatively constrained. The WX listens for multicast packets and maintains a table of multicast groups, as well as their sources and receivers, based on the traffic. IGMP snooping is enabled by default.

You can configure IGMP snooping parameters and enable or disable the feature on an individual VLAN basis.

The current software version supports IGMP versions 1 and 2.

To configure IGMP snooping:

1In the Create VLAN wizard, click VLAN IGMP Setup. The VLAN IGMP Setup page appears.

2To enable IGMP snooping, select Enable. To disable IGMP snooping, clear Enable. By default, IGMP snooping is enabled.

3In the Version list, select Version 1 or Version 2 of IGMP.