RIPng — RIP and IPv6

RIP next generation, or RIPng, is the version of RIP that supports IPv6.

This is an example of a typical small network configuration using RIPng routing.

Your internal R&D network is working on a project for a large international telecom company that uses IPv6. For this reason, you have to run IPv6 on your internal network and you have decided to use only IPv6 addresses.

Your network has two FortiGate units running the RIPng dynamic routing protocol. Both FortiGate units are connected to the ISP router and the internal network. This configuration provides some redundancy for the R&D internal network enabling it to reach the Internet at all times.

This section includes the following topics:

• Network layout and assumptions
• Configuring the FortiGate units system information
• Configuring RIPng on FortiGate units
• Configuring other network devices
• Testing the configuration

 

Network layout and assumptions

Basic network layout

Your internal R&D network is working on a project for a large international telecom company that uses IPv6. For this reason, you have to run IPv6 on your internal network and you have decided to use only IPv6 addresses.

Your network has two FortiGate units running the RIPng dynamic routing protocol. Both FortiGate units are connected to the ISP router and the internal network. This configuration provides some redundancy for the R&D internal network enabling it to reach the Internet at all times.

All internal computers use RIP routing, so no static routing is required. And all internal computers use IPv6 addresses.

Where possible in this example, the default values will be used or the most general settings. This is intended to provide an easier configuration that will require less troubleshooting.

In this example the routers, networks, interfaces used, and IP addresses are as follows.

 

RIP example network topology

 

Network	Router	Interface & Alias	IPv6 address
R&D	Router1	port1 (internal)	2002:A0B:6565:0:0:0:0:0
		port2 (ISP)	2002:AC14:7865:0:0:0:0:0
	Router2	port1 (internal)	2002:A0B:6566:0:0:0:0:0
		port2 (ISP)	2002:AC14:7866:0:0:0:0:0

 

 

 

 

Network topology for the IPV6 RIPng example

Assumptions

The following assumptions have been made concerning this example.

• All FortiGate units have 5.0 firmware, and are running factory default settings.
• All CLI and web-based manager navigation assumes the unit is running in NAT/Route operating mode, with VDOMs disabled.
• All FortiGate units have interfaces labelled port1 and port2 as required.
• All firewalls have been configured for each FortiGate unit to allow the required traffic to flow across interfaces.
• All network devices are support IPv6 and are running RIPng.

 

Configuring the FortiGate units system information

Each FortiGate unit needs IPv6 enabled, a new hostname, and interfaces configured.

 

To configure system information on Router1 – web-based manager

1. Go to System > Dashboard > Status.

2. For Host name, select Change.

3. Enter “Router1”.

4. Go to System > Config > Features.

5. In Basic Features, enable IPv6, and select Apply.

6. Go to System > Network > Interfaces.

7. Edit port1 (internal) interface.

8. Set the following information, and select OK.

Alias                                           internal

IP/Network Mask                       2002:A0B:6565::/0

Administrative Access             HTTPS SSH PING

Description                                Internal RnD network

Administrative Status               Up

9. Edit port2 (ISP) interface.

10. Set the following information, and select OK.

Alias                                           ISP

IP/Network Mask                       2002:AC14:7865::/0

Administrative Access             HTTPS SSH PING

Description                                ISP and Internet

Administrative Status               Up

 

 

To configure system information on Router1 – CLI

config system global set hostname Router1 set gui-ipv6 enable

end

config system interface edit port1

set alias internal

set allowaccess https ping ssh

set description “Internal RnD network”

config ipv6

set ip6-address 2002:a0b:6565::/0 end

next

edit port2

set alias ISP

set allowaccess https ping ssh

set description “ISP and Internet”

config ipv6

set ip6-address 2002:AC14:7865::

end end

 

To configure system information on Router2 – web-based manager

1. Go to System > Dashboard > Status.

2. For Host name, select Change.

3. Enter “Router2”.

4. Go to System > Config > Features.

5. In Basic Features, enable IPv6, and select Apply.

6. Go to System > Network > Interfaces.

7. Edit port1 (internal) interface.

8. Set the following information, and select OK.

Alias                                           internal

IP/Network Mask                       2002:A0B:6566::/0

Administrative Access             HTTPS SSH PING

Description                                Internal RnD network

Administrative Status               Up

9. Edit port2 (ISP) interface.

10. Set the following information, and select OK.

Alias                                           ISP

IP/Network Mask                       2002:AC14:7866::/0

Administrative Access             HTTPS SSH PING

Description                                ISP and Internet

Administrative Status               Up

To configure system information on Router2 – CLI

config system global set hostname Router2 set gui-ipv6 enable

end

config system interface edit port1

set alias internal

set allowaccess https ping ssh

set description “Internal RnD network”

config ipv6

set ip6-address 2002:a0b:6566::/0 end

next

edit port2

set alias ISP

set allowaccess https ping ssh

set description “ISP and Internet”

config ipv6

set ip6-address 2002:AC14:7866::

end end

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