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is-type
Configures the router to operate as a level-1 router, a level-2 router or both.
Syntax: is-type {level-1 | level -1-2 | level-2}
no is-type
level-1
Router operates as a Level-1 (intra-area) router.
level-1-2
Router operates as both an intra-area router and an inter-area router.
level-2-only
Router operates as a Level-2 (inter-area) router only.
Description: Most routers operate as either a Level-1 router (intra-area) or a Level-2 (inter-area) router. Level-1 routers learn about only those destinations within their area. Level-2-only routers operate as backbone routers and do not talk to Level-1-only routers in their area.
Use the is-type level-1 command to configure the router to operate as a Level-1 (intra-area) router.
Use the is-type level-2-only command to configure the router to operate as a Level-2 (inter-area) router.
Use the is-type level-1-2 command to configure the router to operate as both a Level-1 (intra-area) and Level-2 (inter-area) router.
Use the no is-type command to configure the router using the system default of both Level-1 and Level-2.
Factory Default: Router operates as both a Level-1 and a Level-2 router.
Command Mode: Router configuration.
Example: 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 is-type level-1 command configures the router to operate as a Level-1 router.
- 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)#is-type level-1
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: 18, L2: 1
Related Commands: isis circuit-type
router 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: ISIS22.html
Last Updated: 05/10/04 at 16:35:45