3com S7906E Manuel De Montage

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Configuring IS-IS Basic Functions 
Configuration Prerequisites 
Before the configuration, accomplish the following tasks: 
Configure the link layer protocol. 
Configure an IP address for each interface, and make sure all neighboring nodes are reachable to 
each other at the network layer. 
Enabling IS-IS 
Follow these steps to enable IS-IS: 
To do… 
Use the command… 
Remarks 
Enter system view 
system-view 
–– 
Enable the IS-IS routing 
process and enter its view 
isis [ process-id ] 
vpn-instance 
vpn-instance-name ] 
Required 
Not enabled by default 
Assign a network entity title 
(NET) 
network-entity net 
Required 
Not assigned by default 
Return to system view 
quit 
–– 
Enter interface view 
interface interface-type 
interface-number
 
–– 
Enable an IS-IS process on the 
interface 
isis enable [ process-id ] 
Required 
Disabled by default 
 
Configuring the IS Level and Circuit Level 
If only one area is available, it is recommended that: