Reference Guide

254 | Access Control Lists (ACL)
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ip prefix-list
c e s
Enter the PREFIX-LIST mode and configure a prefix list.
Syntax
ip prefix-list prefix-name
Parameters
Command Modes
CONFIGURATION
Command
History
Usage
Information
Prefix lists redistribute OSPF and RIP routes meeting specific criteria. For related
RIP commands supported on C-Series and E-Series, refer to the Routing Information
Protocol (RIP) chapter. For related OSPF commands supported on all three
platforms, refer to the E-Series E-Series
FTOS Command Line Reference Guide Open
Shortest Path First (OSPFv2) chapter.
Prior to 7.8.1.0, names are up to 16 characters long.
Related
Commands
permit
c e s
Configure a filter that passes packets meeting the criteria specified.
Syntax
permit ip-prefix [ge min-prefix-length] [le max-prefix-length]
Parameters
Command Modes
PREFIX-LIST
prefix-name
Enter a string up to 16 characters long as the name of the prefix list, up to 140
characters long.
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.8.1.0 Increased name string to accept up to 140 characters. Prior to 7.8.1.0, names
are up to 16 characters long.
Version 7.6.1.0 Support added for S-Series
Version 7.5.1.0 Support added for C-Series
pre-Version 6.1.1.0 Introduced for E-Series
show ip route list Display IP routes in an IP prefix list.
show ip prefix-list summary Display a summary of the configured prefix lists.
ip-prefix
Specify an IP prefix in the network/length format. For example,
35.0.0.0/8 means match the first 8 bits of address 35.0.0.0.
ge min-prefix-length (OPTIONAL) Enter the keyword ge followed by the minimum
prefix length, which is a number from zero (0) to 32.
le max-prefix-length
(OPTIONAL) Enter the keyword le followed by the maximum prefix
length, which is a number from zero (0) to 32.