Changing the metric added to advertised routes for an IS-IS interface

1. Enter the configure terminal command to access global configuration mode.
   

   device# configure terminal

2. Enter the interface ethernet command and specify an interface.
   

   device(config)# interface ethernet 1/2
   

3. Enter the isis metric command with the level-1 parameter and specify a value to change the metric for the interface, specifying Level 1 packets.
   

   device(conf-if-eth-1/2)# isis metric 38 level-1 
   

The following example changes the metric for an IS-IS Ethernet interface to 38, specifying Level 1 packets. .

device# configure terminal
device(config)# interface ethernet 1/2
device(conf-if-eth-1/2)# isis metric 38 level-1