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 66 lists the show ipv6 mld command output fields.

Table 66: 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

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