Reference Guide

246 | Access Control Lists (ACL)
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Defaults
Not configured.
Command Modes
PREFIX-LIST
Command
History
Usage
Information
Sequence numbers for this filter are automatically assigned starting at sequence number 5.
If the options
ge or le are not used, only packets with an exact match to the prefix are filtered.
Related
Commands
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.
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.
Version 8.1.1.0 Introduced on E-Series ExaScale
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
permit Configure a filter to pass packets.
seq Configure a drop or permit filter with a specified sequence number.
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