Cisco Cisco Packet Data Gateway (PDG)

cache algorithm

Configures the method of use for the DNS VPN and session cache.

Product

MME

SCM

SGSN

Privilege

Security Administrator, Administrator

Command Modes

Exec > Global Configuration > Context Configuration > DNS Client Configuration

configure > context context_name > dns-client client_name

Entering the above command sequence results in the following prompt:

[

context_name

]

host_name

(config-dns-client)#

Syntax Description

cache algorithm { central | local } { FIFO | LRU | LFU }
default cache algorithm { central | local }

default

Sets the DNS VPN and session cache method to default setting.

central | local

central: Specifies the central proclet (VPN manager)

local: Specifies the local proclet (session manager)

FIFO | LRU | LFU

FIFO: First in first out. This is the default setting for the central proclet.

LRU: Least recently used. This is the default value for the local proclet.

LFU: Least frequently used.

Usage Guidelines

Use this command to configure the method by which entries are added and removed from the DNS cache.

Examples

The following command configures the cache algorithm for the central proclet to least frequently used (LFU):
cache algorithm central lfu

Command Line Interface Reference, Modes C - D, StarOS Release 19

1892

DNS Client Configuration Mode Commands

cache algorithm