Service Manual

Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Related Commands
deny — configures a filter to drop packets.
permit — configures a filter to forward packets.
IP Prefix List Commands
When you create an access-list without any rule and then apply it to an interface, the ACL behavior reflects implicit permit.
To configure or enable IP prefix lists, use these commands.
clear ip prefix-list
Reset the number of times traffic mets the conditions (“hit” counters) of the configured prefix lists.
Syntax
clear ip prefix-list [prefix-name]
Parameters
prefix-name (OPTIONAL) Enter the name of the configured prefix list to clear only counters for that
prefix list, up to 140 characters long.
Defaults Clears “hit” counters for all prefix lists unless a prefix list is specified.
Command Modes EXEC Privilege
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
8.3.16.1 Introduced on the MXL 10/40GbE Switch IO Module.
Related Commands ip prefix-list — configures a prefix list.
deny
To drop packets meeting the criteria specified, configure a filter.
Syntax
deny ip-prefix [ge min-prefix-length] [le max-prefix-length]
Parameters
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 and then enter the minimum prefix length, which is a
number from zero (0) to 32.
le max-prefix-
length
(OPTIONAL) Enter the keyword le and then enter the maximum prefix length, which is a
number from zero (0) to 32.
184 Access Control Lists (ACL)