Consider the following network. The objective is to fill the routing and forwarding tables of node X. N FA0/1…

Question:

Transcribed Image Text:

Consider the following network. The objective is to fill the routing and forwarding tables of node X.

N

FA0/1

12-

FAO/2

FA0/9

X FA0/5 6

W

8-

7.

V

3-

4

૩

T

U

Q1. Draw the shortest-path tree from X

Use the Dijkstra’s algorithm to compute the shortest path from X to all the other routers, then draw the shortest path tree.

Ac Organization 0

100.40.50.0/23

Organization 1

100.40.60.0/23

Organization 2

100.40.70.0/23

Organization 3

100.40.80.0/23

ISP-A

• Network Address :

Aggregated Network

A.B.C.D/M

In the figure above, BGP is used for inter-AS routing. ISP-A is then going to advertise a single route to access all the 4 networks at the left side (i.e. networks of

Organizations 0 to 3).

• Mask:

Internet

Q1. What is the aggregated network that is advertised by ISP-A? Write down the 4 parts of the address in different input boxes. i.e. if the address is a.1.2.3.4, write

down ‘1’ in the first box, ‘2’ in the second box, etc.

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Expert Answer:

Answer rating: 100% (QA)

The first image asks to draw the shortest path tree from router X using Dijkstra s algorithm To answer this request we need to go through the algorith

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