Users Guide

Version Description
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
8.1.1.0 Introduced on the E-Series.
7.8.1.0 Increased the name string to accept up to 140 characters. Prior to 7.8.1.0, names are up to
16 characters long.
7.6.1.0 Introduced on the S-Series.
7.5.1.0 Introduced on the C-Series.
6.2.1.1 Introduced on the E-Series.
Usage Information Prex lists redistribute OSPF and RIP routes meeting specic criteria.
Related Commands
• show ip route list — display IP routes in an IP prex list.
• show ip prex-list summary — display a summary of the congured prex lists.
seq
To a deny or permit lter in a prex list while conguring the lter, assign a sequence number.
Syntax
seq sequence-number {deny | permit} {any} | [ip-prefix /nn {ge min-prefix-
length} {le max-prefix-length}] | [bitmask number]
To delete a specic lter, use the no seq sequence-number {deny | permit} {any} | [ip-
prefix {ge min-prefix-length} {le max-prefix-length}] | [bitmask number].
Parameters
sequence-number Enter a number. The range is from 1 to 4294967294.
deny Enter the keyword deny to congure a lter to drop packets meeting this condition..
permit Enter the keyword permit to congure a lter to forward packets meeting this
condition.
any (OPTIONAL) Enter the keyword any to match any packets.
ip-prex /nn (OPTIONAL) Specify an IP prex in the network/length format. For example, 35.0.0.0/8
means match the rst 8 bits of address 35.0.0.0.
ge min-prex-
length
(OPTIONAL) Enter the keyword ge and then enter the minimum prex length, which is a
number from zero (0) to 32.
le max-prex-length (OPTIONAL) Enter the keyword le and then enter the maximum prex length, which is a
number from zero (0) to 32.
bitmask number Enter the keyword bitmask then enter a bit mask number in dotted decimal format.
Defaults Not congured.
Command Modes PREFIX-LIST
236 Access Control Lists (ACL)