Counters

The following information is shown:

• VLAN number and name

• For each VLAN, number of:

  • general queries(MLDv1) received and sent

  • general queries (MLDv2) received and sent

  • version 1 group-specific queries received and sent

  • version 2 group-specific queries received and sent

  • group and source-specific queries received and sent

  • MLD version2 member reports (joins) received

  • MLD version 1 member reports (joins) received

  • version 1 leaves received and sent

  • packets forwarded to routers on this VLAN received and sent

  • packets forwarded to all ports on this VLAN received and sent

• Errors, number of:

  • MLD packets of unknown type received

  • malformed packets received

  • packets with bad checksums

  • packets from a martian source (the wrong subnet on an interface)

  • packets received on an MLD-disabled interface

  • queries—when a VLAN is configured as MLDv2 and an MLDv1 query is received from another switch for that VLAN, this counter is incremented. The reverse also applies.

• Port Counters, number of:

  • fast leaves that have occurred

  • forced fast leaves that have occurred

  • times a join has timed out on this VLAN