When IS-IS is enabled on a device, the device enters IS-IS router configuration mode. Several commands can then be accessed that allow the configuration of IS-IS.
Procedure
-
Enter the
configure terminal command to access global configuration mode.
device# configure terminal
-
Enter the
router isis command to enter IS-IS router configuration mode and enable IS-IS on the device.
device(config)# router isis
ISIS: Please configure NET!
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Enter the
net command and specify a NSAP address to configure a NET for IS-IS.
device(config-isis-router)# net 49.2211.0000.00bb.cccc.00
Example
The following example enables IPv6 IS-IS on a device.
device# configure terminal
device(config)# router isis
ISIS: Please configure NET!
device(config-isis-router)# net 49.2211.0000.00bb.cccc.00
