$117$

I$)$ Consider the network of LANs in the diagram below. Dark squares are

routers, and light squares are hosts. Give the IP routing table at each

router, including next hop for each route, netmask, and gateway.

II$)$ Give, and explain, the path through the network for a packet originating at

$128\mathrm{.}100\mathrm{.}13\mathrm{.}2$ with destination $128\mathrm{.}100\mathrm{.}11\mathrm{.}1.$

III$)$ Explain the problem of IPv$4$ address exhaustion, and give one possible

solution.

Explain each step clearly, walk me through each step and explain all steps clearly. Please do not copy and paste from solved problems in this site as all are incorrect.

$117$