# Monitoring IPv6 Multicast Entries in a Source or Group

#### Purpose

Display information about the number of groups and sources.

- You can specify a multicast group address or both a multicast group address and a multicast source address to display information about a particular multicast forwarding entry.
- You can use the active option to display information for the active multicast routes.
- You can specify the bandwidth threshold along with the active option to display information for the active multicast routes with admission bandwidth greater than the specified bandwidth threshold. The default bandwidth threshold is 4000 bps.

#### Action

To display the number of groups and sources:

    host1#show ipv6 mroute count
    IPv6 Multicast Routing Table

    Counts: 2000 (S, G) entries
            0 (*, G) entries

#### Meaning

Table 18 lists the show ipv6 mroute count command output fields.

Table 18: show ipv6 mroute count Output Fields

Field Name | Field Description
--- | ---
Counts | Number of types of source group mappings: (S,G)—Number of (S,G) entries (*,G)—Number of (*,G) entries

#### Related Documentation

- show ipv6 mroute