Use this command to enable or disable Intermediate System to Intermediate System (IS-IS) and gain access to IS-IS configuration mode.
None.
None.
Global router configuration.
You must execute the router isis command to enable the IS-IS protocol before completing many IS-IS-specific configuration tasks.
The “no” form of this command disables the IS-IS on this device.
This example shows how to enable IS-IS routing on the device:
System(rw)->configure System(rw-config)->router isis System(rw-config-isis)->