December 2001
Intermediate to advanced
608 pages
25h 14m
English
net — router, IS-IS
netvalueno netvalue
The NET for an IS-IS routing process
None
In order to configure an IS-IS routing process, you need to define a Network Entity Title (NET). Essentially, a NET serves as the area number and the system ID for the routing process. The NET is an NSAP whose last byte is 0.
Let’s assume that we have an IS-IS system ID of 0000.0000.0004
and an area ID of 04.0002. This gives us a NET of
04.0002.0000.0000.0004.00, which is the area ID followed by the
system ID followed by the ending zero. The following configuration
shows how the net command is used to assign the
appropriate value:
router isis net 04.0002.0000.0000.0004.00 is-type level-1 ! interface ethernet 0 ip router isis ip address 10.1.1.1 255.255.255.0
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