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Discovering computer networks: hands on in the Open Networking Lab
Discovering computer networks: hands on in the Open Networking Lab

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14.5 Routing with dynamic routes

In this section you will look at how dynamic routing protocols can be used to automate the process so that static routes don’t have to be put in place for all of our networks.

Watch the video below, which is about 4 minutes long.

Dynamic routing

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Activity 5 Try it out

10 minutes

Open PT Anywhere [Tip: hold Ctrl and click a link to open it in a new tab. (Hide tip)] in a new tab or window so you can read these instructions.

This activity starts off with the same layout as in the previous activity in this session, except this time the IP addresses on all of the devices have already been configured for you.

Your task is to enable dynamic routing (using RIP) on both of the routers.

  1. Verify that PC1 cannot ping PC3 (ping 172.16.1.2).
  2. On the routers (Router 1 and Router 2) enter the commands in the table below.
DeviceCommands to enter
Router 1

enable

configure terminal (abbreviate this to conf t)

router rip

version 2

network 192.168.1.0

network 192.168.2.0

network 10.10.10.0

Router 2

enable

configure terminal (abbreviate this to conf t)

router rip

version 2

network 172.16.1.0

network 172.16.2.0

network 10.10.10.0

  1. Verify that PC1 can ping PC3 (ping 172.16.1.2) and PC4 (ping 172.16.2.2).
  2. Check to see if PC3 can ping PC1 (ping 192.168.1.2) and PC2 (ping 192.168.2.2).

You have now configured RIP on the two routers and verified that each PC can see (ping) all of the other PCs successfully. (Note: as above, if you were to build this network from scratch in PT Anywhere then you would need to place a switch in the link between Router 1 and Router 2, and in the links between each PC and router. This is because PT Anywhere does not provide crossover cables.)