OmniSwitch 6600/7000/8000 Series Technical Training Lab Exercises

Course 9001 Lab 21 – RIP/RIP2

Page 1 of 4

RIP/RIP2

This lab will introduce the routing protocols of RIP and RIP2. Also, we’ll briefly discuss
the routing table and how to display it.

Equipment Required:

Three OmniSwitches

Objective:

This lab will introduce how to enable RIP and RIP2 on an OmniSwitch. This
includes loading RIP and enabling both version 1 and version 2.

Related Commands:

Show ip rip, ip load, ip rip, show ip routes,

Enabling RIP Lab

This lab will cover the RIP and RIP 2 routing protocols. If a switch is booted without any
routing protocols enabled, they must first be loaded into memory before they can be
configured.



Remove any existing configuration and reboot.



Enter ‘show ip rip’, notice the message telling you that RIP is not loaded.



Enter ‘ip load rip’, this will load rip into memory and allow it to be configured.



Enter ‘ip rip status enable’ to enable RIP after loading.



Enter ‘show ip rip’ again.



Confirm which switch will be number 1, 2, or 3.



Connect the three OmniSwitches back to back with VLAN 1 having the IP address of

192.168.10.X, where X is the switch number.



Ensure you can ping between VLAN 1.

Switch 1 Configuration



On switch 1 create VLAN 101 with IP address 192.168.101.1.



Enter command ‘show ip rip interface’. Currently, RIP is not running on any
interfaces.



Enter ‘ip rip interface 192.168.10.1 status enable’. This enables the interface to
send RIP2 and receive both RIP and RIP2 by default.



Enter ‘show ip rip interface 192.168.10.1’ to check the parameters. Notice the RIP
version being sent and received by default, along with additional default settings.

Switch 2 Configuration



On switch 2 create VLAN 102 with IP address 192.168.102.2.



Enter command ‘show ip rip interface’. Currently, RIP is not running on any
interfaces.



Enter ‘ip rip interface 192.168.10.2 status enable’. This enables the interface to
send RIP2 and receive both RIP and RIP2 by default.

OmniSwitch 6600/7000/8000 Series Technical Training Lab Exercises

Course 9001 Lab 21 – RIP/RIP2

Page 2 of 4



Enter ‘show ip rip interface 192.168.10.2’ to check the parameters. Notice the RIP
version being sent and received by default, along with the default setting for
authentication.

Switch 3 Configuration



On one switch create VLAN 103 with IP address 192.168.103.3.



Enter command ‘show ip rip interface’. Currently, RIP is not running on any
interfaces.



Enter ‘ip rip interface 192.168.10.3 status enable’. This enables the interface to
send RIP2 and receive both RIP and RIP2 by default.



Enter ‘show ip rip interface 192.168.10.3’ to check the parameters. Notice the RIP
version being sent and received by default, along with the default setting for
authentication.

Once you have created the appropriate VLAN, either move a PC into the VLAN or use a
crossover cable to activate the VLAN.

Enter the command ‘show ip route’. This gives you the routing table for the switch. You
should only see your local networks for your VLANs at this time. In order for routes not
learned via RIP to be advertised, they must be distributed. Enter the following on each
switch to distribute your local routes.



Enter ‘ip rip redist local’, this tells rip to enable local interface distribution.



Enter ‘ip rip redist-filter local 0.0.0.0 0.0.0.0’ to redistribute all local interfaces.



Enter ‘ip rip redist status enable’ to enable redistribution.



Enter ‘show ip rip interface’ to check the RIP interfaces. You should begin to see
RIP updates being advertised.



Enter ‘show ip rip peer’ to check the RIP peers.



Enter the commands ‘show ip route’, ‘show ip rip routes’, and ‘show ip router
database’ to check the various route entries.

RIP Updates using V1 and V2
By default RIP is configured to accept either RIP v1 or RIP v2 updates. RIP 2 will accept
RIP v1 updates, however RIP v1 will not accept RIP v2 updates. On switch 1 let’s
modify the RIP interface and set it to receive RIP v1.



Enter ‘ip rip interface 192.168.10.1 recv-version v1’ . This tells the router interface
to accept v1 RIP updates.



Enter ‘show ip rip interface’. You should begin to see bad packets on the interface
since switch 2 and 3 are sending v2 RIP packets.



Disable the RIP protocol by entering ‘ip rip status disable’ on switch 1 to flush the
RIP routes. Now re-enable RIP, you should not see any routes updated via RIP and
the bad packet counter should continue to increment.



Reconfigure switch 1 to receive RIP v2 updates, you should then see RIP routes being

updated.

OmniSwitch 6600/7000/8000 Series Technical Training Lab Exercises

Course 9001 Lab 21 – RIP/RIP2

Page 3 of 4

RIP Redistribution
In order for the 101, 102, and 103 networks to be advertised we needed to create a filter
to redistribute local routes. We will now modify the configuration to allow switch 2 to
automatically redistribute the 101 network without any filters.



On switch 3 create VLAN 102 with IP address 192.168.102.3.



Disconnect the VLAN 1 connections between switch 2 and 3.



Move the appropriate ports into VLAN 102 on both switch 2 and switch 3 and ensure

you can ping between switch 2 and 3 using VLAN 102.



Check the routing table on switch 3, you should see that there are no routes to the

remote networks. We need to configure the VLAN 102 routing instance on the
switches for RIP.



Enter ‘ip rip interface 192.168.102.2 status enable’ on switch 2 to enable RIP.



Enter ‘ip rip interface 192.168.102.3 status enable’ on switch 3 to enable RIP.



Enter ‘show ip rip peer’ to confirm that RIP is configured properly.

After a RIP update is sent, you should see the 192.168.101.0 network from switch 1 in
the routing table for switch 3. Notice we did not have to configure any filters for switch 2
to advertise the 192.168.101.0 route. This is because switch 2 learned the route via RIP
from switch 1 and will automatically advertise any routes learned via RIP.

Metrics
Metrics can be manually configured for RIP. Let’s increase the metric for the
192.168.102.0 network on switch 1.

Enter ‘show ip router database’ to check the current metric for the 192.168.102.0
network. It should indicate 2.



On switch 1 enter ‘ip rip interface 192.168.10.1 metric 5’. This says that switch 1
will add a metric of 5 to all routes being learned on that interface.



Enter ‘show ip router database’ on switch 1 to check the metric.

RIP Authentication - Simple



On switch 3 enter ‘ip rip interface 192.168.10.3 auth-type simple’ to enable simple
password authentication.



On switch 3 enter ‘ip rip interface 192.168.10.3 auth-key alcatel’ to set the
password.



Check the routing table, the routes should be removed after their aging period.



Enter ‘show ip rip peer’ to show switch 2. You should see that you are now
receiving bad packets from switch 2 since authentication is not enabled.



Now enter ‘ip rip interface 192.168.10.2 auth-type simple’ on switch 2.



Enter ‘ip rip interface 192.168.10.2 auth-key alcatel’.



Enter ‘show ip rip peer’ to show switch 3. You should see that you are now
receiving valid RIP updates.

OmniSwitch 6600/7000/8000 Series Technical Training Lab Exercises

Course 9001 Lab 21 – RIP/RIP2

Page 4 of 4

Summary

This lab introduced you to RIP v1 and RIP v2 on an OmniSwitch. RIP and RIP v2 are
part of the basic routing package for the OmniSwitch. The RIP protocol can be used in
smaller networks to advertise routing information.

RIP (lab #1)

RIP (lab #1)

RIP

192.168.10.x

RIP 192.168.102.2

RIP 192.168.103.3

Switch #2

Switch #1

Switch #3

RIP 192.168.101.1