PurposeCommand or Action
(Optional) Displays RPs known in the network and shows how the device
learned about each RP.
show ip pim rp [mapping] [rp-address]
Example:
Device# show ip pim rp mapping
Step 19
(Optional) Displays the multicast groups having receivers that are directly
connected to the device and that were learned through Internet Group
Management Protocol (IGMP).
show ip igmp groups [group-name |
group-address| interface-type
interface-number] [detail]
Step 20
Example:
Device# show ip igmp groups
•
A receiver must be active on the network at the time that this
command is issued in order for receiver information to be present
on the resulting display.
(Optional) Displays the contents of the IP multicast routing (mroute)
table.
show ip mroute [group-address | group-name]
[source-address | source-name] [interface-type
interface-number] [summary] [count] [active
kbps]
Step 21
Example:
Device# show ip mroute cbone-audio
Delaying the Use of PIM Shortest-Path Tree (CLI)
Perform these steps to configure a traffic rate threshold that must be reached before multicast routing is
switched from the source tree to the shortest-path tree.
This procedure is optional.
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
access-list access-list-number {deny | permit} source [source-wildcard]
4.
ip pim spt-threshold {kbps | infinity} [group-list access-list-number]
5.
end
6.
show running-config
7.
copy running-config startup-config
IP Multicast Routing Configuration Guide, Cisco IOS XE Release 3.6E (Catalyst 3850 Switches)
OL-32598-01 167
Configuring PIM
Delaying the Use of PIM Shortest-Path Tree (CLI)
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