Administrator Guide

Layer 3 Routing Commands 1416
The command no ip prefix-list list-name deletes the entire prefix list. To
remove an individual statement from a prefix list, you must specify the
statement exactly, with all its options.
Up to 128 prefix lists may be configured. The maximum number of
statements allowed in prefix list is 64.
Command History
Introduced in version 6.2.0.1 firmware.
Example
The following example configures a prefix list that allows routes with one of
two specific destination prefixes, 172.20.0.0 /16 and 192.168.1.0 /24:
console(config)# ip prefix-list apple seq 10 permit 172.20.0.0/16
console(config)# ip prefix-list apple seq 20 permit 192.168.10 0.0.0.255
The following example disallows only the default route.
console(config)# ip prefix-list orange deny 0.0.0.0/0
console(config)# ip prefix-list orange permit 0.0.0.0/0 ge 1
ip prefix-list description
To apply a text description to a prefix list, use the ip prefix-list description
command in global configuration mode. To remove the text description, use
the no form of this command.
Syntax
ip prefix-list list-name description text
no ip prefix-list list-name description
• list-name—The text name of the prefix list.
• text—Text description of the prefix list. Up to 80 characters
Default Configuration
No description is configured by default.