# Monitoring MLD Information on a Virtual Router

#### Purpose

Display MLD information for a virtual router.

#### Action

To display MLD information for a virtual router:

    host1:boston#show ipv6 mld
    Routing Process MLD, Administrative state enabled, Operational state enabled
        2 total interfaces, 2 enabled, 0 disabled
    	 2 enabled interfaces performing graceful restart
        2 learnt groups
    MLD Statistics:
        Rcvd: 1 total, 0 checksum errors, 0 unknown types, 0 discards
              0 queries, 1 reports, 0 leaves
        Sent: 2 total

#### Meaning

Table 25 lists the show ipv6 mld command output fields.

Table 25: show ipv6 mld Output Fields

Field Name | Field Description
--- | ---
Administrative state | Status of MLD in the software: enabled or disabled
Operational state | Status of MLD on the virtual router: enabled or disabled
total interfaces | Number of interfaces on which you started MLD
enabled | Number of interfaces on which MLD is enabled
disabled | Number of interfaces on which MLD is disabled
learnt groups | Number of multicast groups that the virtual router has discovered
MLD Statistics Rcvd | Statistics for MLD messages received: total—Number of MLD messages received checksum errors—Number of MLD messages received with checksum errors unknown types—Number of messages received that are not multicast listener queries, multicast listener reports, or multicast listener done messages discards—Number of multicast listener discards queries—Number of multicast listener queries reports—Number of multicast listener reports leaves—Number of done messages
MLD Statistics Sent | Number of multicast listener queries sent

#### Related Documentation

- Enabling MLD on an Interface
- Configuring MLD Attributes
- Disabling and Removing MLD
- show ipv6 mld