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net
Configures a network entity title (NET) for the routing process.
Syntax: net network-entity-title
no net network-entity-title
network-entity-title
Network entity title (NET) is a unique identifier for this network entity made up of a variable length area address, a six byte system ID, followed by a single byte selector.
Description: A NET is an NSAP of varying length where the last byte (the NSAP-selector) is always zero. All routers within an IS-IS domain must use the same length NET. The first variable number of bytes identify the area, followed by six bytes identifying the system ID, followed by a single selector byte. Each router has a unique system identifier.
To configure separate areas for the router, enter each area number, followed by the unique system ID for this router, followed by 00 (the NSAP-selector octet).
NOTE By default, a maximum of 3 areas and therefore 3 NETs can be configured. However, if you enter the max-areas command, you can increase the number of areas supported for this IS-IS process.
The IS-IS process does not start until at least one NET is configured.
Use the net network-entity-title to configure a manual area and system ID for an IS-IS routing process.
Use the no net network-entity-title command to delete an IS-IS routing process.
Factory Default: No NET configured.
Command Mode: Router configuration.
Example 1: In the following example:
- The router isis command enables IS-IS on the router, specifies an IS-IS instance, and changes the command mode to Router configuration,
- The net network-entity-title command configures the address of 47.1000.5000.0001 with a NSAP-selector octet of 00,
- The show isis command displays the setting:
router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z
router(config)#router isis npi
router(config-router)#net 47.1000.5000.0001.0000.00
router(config-router)#end
router#show isis
Global ISIS information
ISIS process tag: npi
System ID: 1000.5000.0001
NET: 47.1000.5000.0001.00
Maximum number of areas: 3
There is 1 manual area address
47
There is 1 active area address
47
ISIS level-1
ISIS is enabled on 4 interfaces
Distance : 200
Maximum of 1 path per route
Number of SPF runs, L1: 24, L2: 3
Related Commands: max-areas
router isis
show isis
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Copyright © 2004
Avici Systems Inc.
Avici® and TSR®
is a registered trademark of Avici Systems Inc.
IPriori™, Composite Links™, SSR™, QSR, and NSR® are
trademarks of Avici Systems Inc.
Source
File Name: ISIS.fm
HTML File Name: ISIS34.html
Last Updated: 05/10/04 at 16:35:45