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Configuring Basic DVMRP Interoperability Features
Beginning in privileged EXEC mode, follow these steps to set up an administratively-scoped boundary.
This procedure is optional.
Command
Step 1
configure terminal
Step 2
access-list access-list-number {deny |
permit} source [source-wildcard]
Step 3
interface interface-id
Step 4
ip multicast boundary
access-list-number
Step 5
end
Step 6
show running-config
Step 7
copy running-config startup-config
To remove the boundary, use the no ip multicast boundary interface configuration command.
This example shows how to set up a boundary for all administratively-scoped addresses:
Switch(config)# access-list 1 deny 239.0.0.0 0.255.255.255
Switch(config)# access-list 1 permit 224.0.0.0 15.255.255.255
Switch(config)# interface gigabitethernet1/0/1
Switch(config-if)# ip multicast boundary 1
Configuring Basic DVMRP Interoperability Features
These sections contain this configuration information:
•
•
•
•
For more advanced DVMRP features, see the
Features" section on page
Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide
44-48
Configuring DVMRP Interoperability, page 44-49
Configuring a DVMRP Tunnel, page 44-51
Advertising Network 0.0.0.0 to DVMRP Neighbors, page 44-52
Responding to mrinfo Requests, page 44-53
44-53.
Purpose
Enter global configuration mode.
Create a standard access list, repeating the command as many times as
necessary.
For access-list-number, the range is 1 to 99.
•
•
The deny keyword denies access if the conditions are matched. The
permit keyword permits access if the conditions are matched.
For source, enter the number of the network or host from which the
•
packet is being sent.
(Optional) For source-wildcard, enter the wildcard bits in dotted
•
decimal notation to be applied to the source. Place ones in the bit
positions that you want to ignore.
Recall that the access list is always terminated by an implicit deny
statement for everything.
Specify the interface to be configured, and enter interface configuration
mode.
Configure the boundary, specifying the access list you created in Step 2.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
(optional)
(optional)
(optional)
"Configuring Advanced DVMRP Interoperability
Chapter 44
Configuring IP Multicast Routing
(optional)
OL-12247-04
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