2015 Q3(b)(i)Network Layer / IP·Distance Vector· 3 marks
Node A is using distance vector routing. The current distance table and routing table at Node A are shown below.
Current distance table at Node A (rows: to; columns: via B C D E)
to B: via B = 2
to C: via C = 1
to D: –
to E: via E = 8
Current routing table at Node A
dest | next hop | cost
B | B | 2
C | C | 1
E | E | 8
Node A receives the following vector from neighbour Node B [A, 2 C, 2 D, 2 E, 5]
Show the updated distance table at A after it processes this vector.
Bellman-Forddistance table
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