Purpose
Command or Action
startup-config
Defining the IP Multicast Boundary (CLI)
You define a multicast boundary to prevent Auto-RP messages from entering the PIM domain. You create
an access list to deny packets destined for 224.0.1.39 and 224.0.1.40, which carry Auto-RP information.
This procedure is optional.
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
access-list access-list-number deny source
[
source-wildcard
]
4.
interface interface-id
5.
ip multicast boundary access-list-number
6.
end
7.
show running-config
8.
copy running-config startup-config
DETAILED STEPS
Purpose
Command or Action
Enables privileged EXEC mode.
enable
Step 1
Example:
Device>
enable
•
Enter your password if prompted.
Enters the global configuration mode.
configure terminal
Example:
Device#
configure terminal
Step 2
Creates a standard access list, repeating the command as many times as
necessary.
access-list access-list-number deny
source
[
source-wildcard
]
Step 3
Example:
Device(config)#
access-list 12 deny 224.0.1.39
•
For
access-list-number
, the range is 1 to 99.
•
The
deny
keyword denies access if the conditions are matched.
access-list 12 deny 224.0.1.40
•
For
source
, enter multicast addresses 224.0.1.39 and 224.0.1.40, which
carry Auto-RP information.
IP Multicast Routing Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3650 Switches)
OL-29890-01
139
Configuring PIM
Configuring PIMv2 BSR
