Specifications

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show ip mroute
This example shows how to display summary information:
Switch# show ip mroute summary
IP Multicast Routing Table
Flags: D - Dense, S - Sparse, s - SSM Group, C - Connected, L - Local,
P - Pruned, R - RP-bit set, F - Register flag, T - SPT-bit set,
J - Join SPT, M - MSDP created entry, X - Proxy Join Timer Running
A - Advertised via MSDP, U - URD, I - Received Source Specific Host
Report
Outgoing interface flags: H - Hardware switched
Timers: Uptime/Expires
Interface state: Interface, Next-Hop or VCD, State/Mode
Switch#
Table 2-20 describes the fields shown in the output.
Table 2-20 show ip mroute Field Descriptions
Field D escription
Flags: Information about the entry.
D - Dense Entry is operating in dense mode.
S - Sparse Entry is operating in sparse mode.
s - SSM Group Entry is a member of an SSM group.
C - Connected Me mber of th e multica st group is p resent on the directly c onnected
interface.
L - Local Switch is a member of the multicast group.
P - Pruned Route has been pruned. This information is retained in case a
downstream member wants to join the source.
R - Rp-bit set Status of the (S,G) entry; is the (S,G) entry pointing toward the RP.
The R - Rp-bit set is typically a prune state along the shared tree
for a particular source.
F - Register flag Status of the software; indicates if the software is registered for a
multicast source.
T - SPT-bit set Status of the packets; indicates if the packets been received on the
shortest path source tree.