How many bytes comprise the system ID within an IS-IS NET?
A.
4 bytes
B.
6 bytes
C.
8 bytes
D.
16 bytes
E.
20 bytes
How many bytes comprise the system ID within an IS-IS NET?
How many bytes comprise the system ID within an IS-IS NET?
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Routers are identified with NETs of 8 to 20 bytes. ISO/IEC 10589 distinguishes only three fields in
the NSAP address format: a variable-length area address beginning with a single octet, a system
ID, and a 1-byte n-selector. Cisco implements a fixed length of 6 bytes for the system ID, which is
like the OSPF router ID.
Reference.
http://www.cisco.com/en/US/products/ps6599/products_white_paper09186a00800a3e6f.shtml