Table
show ip mroute Field Descriptions
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Provides
information about the entry.
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Entry
is operating in dense mode.
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Entry
is operating in sparse mode.
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A
member of the multicast group is present on the directly connected interface.
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The
router itself is a member of the multicast group.
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Route
has been pruned. The Cisco IOS software keeps this information in case a
downstream member wants to join the source.
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Indicates
that the (S, G) entry is pointing toward the rendezvous point (RP). The RP is
typically a prune state along the shared tree for a particular source.
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Indicates
that the software is registering for a multicast source.
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Indicates
that packets have been received on the shortest path source tree.
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Indicates
the outgoing interface is hardware switched because IP multicast MLS is
enabled.
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Indicates
the state of the incoming or outgoing interface.
• Interface.
Indicates the type and number of the interface listed in the incoming or
outgoing interface list.
•Next-Hop
or VCD. "Next-hop" specifies the IP address of the downstream
neighbor. "VCD" specifies the virtual circuit descriptor number.
"VCD0" means the group is using the static map virtual circuit.
•State/Mode.
"State" indicates that packets will either be forwarded, pruned, or
null on the interface depending on whether there are restrictions due to
access lists or a time-to-live (TTL) threshold. "Mode" indicates
whether the interface is operating in dense, sparse, or sparse-dense mode
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(*,
224.0.255.1)
(198.92.37.100/32, 224.0.255.1)
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Entry
in the IP multicast routing table. The entry consists of the IP address of
the source router followed by the IP address of the multicast group. An
asterisk (*) in place of the source router indicates all sources.
Entries
in the first format are referred to as (*, G) or "star comma G"
entries. Entries in the second format are referred to as (S, G) or
"S comma G" entries. (*, G) entries are used to build (S,
G) entries.
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How
long (in hours, minutes, and seconds) the entry has been in the IP multicast
routing table.
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How
long (in hours, minutes, and seconds) until the entry will be removed from
the IP multicast routing table on the outgoing interface.
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Address
of the rendezvous point router. For routers and access servers operating in
sparse mode, this address is always 0.0.0.0.
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Information
about the entry.
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Expected
interface for a multicast packet from the source. If the packet is not
received on this interface, it is discarded.
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IP
address of the upstream router to the source. "Tunneling" indicates
that this router is sending data to the rendezvous point encapsulated in
Register packets. The hexadecimal number in parentheses indicates to which
rendezvous point it is registering. Each bit indicates a different rendezvous
point if multiple rendezvous points per group are used.
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Indicates
whether the RPF information is obtained from the DVMRP routing table or the
static mroutes configuration.
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Interfaces
through which packets will be forwarded. When the ip pim nbma-mode
command is enabled on the interface, the IP address of the PIM neighbor is
also displayed.
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Name
and number of the outgoing interface.
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Next
hop specifies the IP address of the downstream neighbors. VCD is the virtual
circuit descriptor number. VCD0 means the group is using the static-map
virtual circuit.
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Indicates
that packets will be forwarded on the interface if there are no restrictions
due to access lists or TTL threshold. Following the slash (/) is the mode in
which the interface is operating (dense or sparse).
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Sparse
mode interface is in forward mode.
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<time/time>
(uptime/expiration time)
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Per
interface, how long (in hours, minutes, and seconds) the entry has been in
the IP multicast routing table. Following the slash (/) is how long (in
hours, minutes, and seconds) until the entry will be removed from the IP
multicast routing table.
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