To display the CPU load, use the show process cpu EXEC command. Step 3 Enable compression on a specified WAN interface. This section documents new or modified commands. All other commands used with this feature are documented in the Cisco IOS Release 11.2 command references. To disable compression, use the no form of this command.
Compression is implemented in the hardware compression port module installed in the router.
Default Compression is disabled. The command compress stac first appeared in Cisco IOS Release 10.3. The compress stac command determines the fastest compression method available on the router. PPP encapsulations support Stacker and Predictor compression algorithms, but the compression port module installed in Cisco 3600 series routers support only Stacker compression over PPP encapsulations. Compression reduces the size of frames via lossless data compression.