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Syntax:
mgroup
Example:
PIM6>mgroup
Local Group Database
Group Interface Lifetime (secs)
FF05:42::101 1:2:3:4::25 (TRK/0) 176
FF05:4:23::122 23:2:113::45:23 (Eth/1) 170
FF05:4:23::122 Internal 1
PIM6>
Group Displays the group address as it has been reported (via MLD) on a
particular interface.
Interface
Displays the interface address to which the group address has been
reported (via MLD). The router’s internal group membership is indicated by
a value of
internal
. For these entries, the lifetime field (see below) indicates
the number of applications that have requested membership in the
particular group.
Lifetime
Displays the number of seconds that the entry will persist if Membership
Reports cease to be heard on the interface for the given group.
Mstats
Use the mstats command to display various multicast routing statistics. The
command indicates whether multicast routing is enabled and whether the router is
an inter-area and/or inter-AS multicast forwarder.
Syntax:
mstats
Example:
PIM6>mstats
Datagrams received: 2496
Datagrams fwd (multicast): 0 Datagrams fwd (unicast): 0
Locally delivered: 0
Unreachable source: 3 Unallocated cache entries: 0
Off multicast tree: 0 Unexpected DL multicast: 0
Buffer alloc failure: 0 TTL scoping: 0
# fwd cache alloc: 1 # fwd cache freed: 0
#fwd cache GC: 0 # local group DB alloc: 0
#local group DB free: 1
PIM6>
Datagrams received
Displays the number of multicast datagrams received by the router.
Datagrams fwd (multicast)
Displays the number of datagrams that have been forwarded as data-link
multicasts (this includes packet replications, when necessary, so this count
could very well be greater than the number received).
PIM Monitoring Commands (Talk 5)
Chapter 16. Configuring and Monitoring Protocol Independent Multicast Routing Protocol (PIM) 419
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