From: Ahmed Mustafa (ahmed.mustafa@sbcglobal.net)
Date: Sun Feb 22 2004 - 18:52:40 GMT-3
The default behavior of ISIS is L1/L2 routers unless one specifically changes
to either L1 or L2 only.
If router A is adjacent to router B through Ethernet 0, as well as adjacent to
router C through Serial Interface.
The requirement is that router A establishes a L1 adjacency with router B, and
L2 with router C. This can easily be done via interface level command isis
circuit type.
The question is,
Will router A still be considered L1/L2 router since it is maintaining both
level of adjancies with router B and router C respectively but not L1/L2 with
both routers on the same interface.
Regards,
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