Friday, March 10, 2006

 

IS-IS Level 2 router for area. (Question #34)

Given the following output from a show isis database command, can you identify which of the neighbors of the router on which this command was issued is a level-2 router?

IS-IS Level-1 Link State Database:
LSPID                 LSP Seq Num  LSP Checksum  LSP Holdtime      ATT/P/OL
R2.00-00              0x000000FD   0x0A2B        616               1/0/0
R3.00-00              0x000000EB   0x927D        367               0/0/0
R4.00-00            * 0x000000E7   0x6242        816               0/0/0
R5.00-00              0x000000E4   0x3008        744               0/0/0
R5.01-00              0x000000EF   0xC5F0        498               0/0/0

# posted by Cisco da Gama @ 11:40 AM
Comments:
R2 has the ATT bit set to 1. So it has an inter-area connection. However, I would have thought it is an Level-1-2 router and not a Level-2 router. Is that what you meant or am I missing something?
# posted by Anonymous Anonymous : Fri Mar 31, 03:36:00 AM 2006
 
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