
Command Reference Guide Frame Relay Sub-Interface Config Command Set
61950860L1-35D © 2003 ADTRAN, Inc. 457
ip route-cache <address>
Use the ip route-cache command to enable fast-cache switching on the interface. Use the no form of this
command to disable fast-cache switching and return to process switching mode.
Using Network Address Translation (NAT) or the ADTRAN OS firewall capabilities on an
interface requires process switching mode (using the no ip route-cache command).
Syntax Description
No subcommands.
Default Values
By default, fast-cache switching is enabled on all Ethernet and virtual frame relay sub-interfaces. IP
route-cache is disabled for all virtual PPP interfaces.
Command Modes
(config-interface)# Interface Configuration Mode required
Valid interfaces include: Ethernet (eth 0/1), virtual frame relay sub-interfaces (fr
1.16), and virtual PPP interfaces (ppp 1).
Command History
Release 2.1 Command was introduced
Functional Notes
Fast switching allows an IP interface to provide optimum performance when processing IP traffic.
Usage Examples
The following example enables fast switching on a frame relay sub-interface:
(config)#
interface frame-relay 1.16
(config-fr 1.16)#
ip route-cache
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