Displaying multicast route information

Use the following procedure to display multicast route information for troubleshooting purposes.

Procedure steps

  1. From the navigation tree, double-click IP Routing.

  2. In the IP Routing tree, double-click Multicast.

  3. In the work area, click the Routes tab to view multicast routes information.

Variable definitions

The following table describes the fields of the Routes tab.

Field Description
Group Indicates the IP multicast group address.
Source Indicates the source address.
SourceMask Indicates the source address mask.
UpstreamNeighbor Indicates the address of the upstream neighbor that forwards packets for the specified source and group. 0.0.0.0 appears if the network is local.
Interface Indicates the VLAN where datagrams for the specified source and group are received.
ExpiryTime Indicates the amount of time that remains before this entry ages out. The value 0 indicates that the entry is not subject to aging.
Protocol Indicates the routing protocol through which this route was learned.