Given the NSAP address of 49.0012.1234.1234.1234.00, what area does the IS-IS router reside in?
Given the NSAP address of 49.0012.1234.1234.1234.00, what area does the IS-IS router reside in?
The IS-IS area address is derived from the NSAP address, specifically from the initial portion that includes the area identifier. In the provided NSAP address 49.0012.1234.1234.1234.00, the area identifier consists of the first three components, which are 49 (the AFI), 0012 (the IDI), and 1234 (part of the area identifier). Hence, the IS-IS router resides in the area 49.0012.1234.
According simplified NSAP addressing. Area ID is AFI+IDI+HPDSP. So the correct answer should be 49.0012.1234