Friday, March 10, 2006


Identifying IS-IS neighbor areas. (Question #36)

Given the following output from the show isis neighbor command from a network where all the routers are level-1-2 routers running IS-IS, identify which of the neighbors of R1 the same area as R1 and which are in other areas?

R2#sh isis neighbors

System Id Type Interface IP Address State Holdtime Circuit Id
R1 L1L2 Se2/0 UP 28 00
R3 L1 Et0/0 UP 22 R5.01
R4 L1 Et0/0 UP 27 R5.01
R5 L1 Et0/0 UP 8 R5.01
R8 L2 Se3/0 UP 21 00

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