IPv6 Routing Protocols – Part 4 (RIPng)

RIP IPv6 RIPng topology

RIPng (RIP Next Generation), RIP for IPv6

RIPng (RIP Next Generation)is the IPv6 available next level protocol of RIPv2. In modern large networks, generally RIP is not used and also RIPng. But as a basic protocol, it is still used in many small networks.

Basically, the characteristics of these two version is same. As we discussed before in the RIP article, RIPng has the below similar characteristic as RIPv2:

• Distance vector protocol
• Uses “Hop count” as metric
• The default administrative Distance is 120
• Uses Split Horizonin, Poison Reverse
• Uses periodic (30 seconds) and triggered updatas



As you can see above, RIPng is almost the same as RIPv2. But there are some additional differences because of the supported IP version (IPv6). Let’s chek this differences one by one:

IPv6 Support

RIPv2 is the protocol that is used with IPv4. With this new version of RIP, RIPng, IPv6 addresses are supported. The neighbourship is established with the IPv6 addresses.
Here, with the support of the IPv6 addresses, some of the commands are added to the Cisco IOS. So, similar but different commands are used for RIPng.

No Network But Interface

RIPng is established over interfaces. If an interface needed to be in the RIPng network, RIPng network is added under this interface. In RIPv2, we use network command to add subnets (networks) to the RIP network. But with RIPng, like other IPv6 routing protocols, interfaces individually used as member of RIPng network and RIPng membership command is added under interface configuration.

UDP Port 521

RIPv2 uses UDP port 520. This port changes a little with RIPng. RIPng uses UDP port 521.

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IPv6 Routing Protocols…

IPv6 Routing Protocols – Part 1
IPv6 Routing Protocols – Part 2 (OSPFv3)
IPv6 Routing Protocols – Part 3 (EIGRP for IPv6)
IPv6 Routing Protocols – Part 4 (RIPng)
IPv6 Routing Protocols – Part 5 (ISIS for IPv6)

IPv6 Routing Protocols CONFIGURATIONs..!

Static/Default Route Configuration Example On Cisco IOS
OSPFv3 Configuration Example On Cisco IOS
EIGRP for IPv6 Configuration Example On Cisco IOS
RIPng Configuration Example On Cisco IOS
ISIS for IPv6 Configuration Example On Cisco IOS

You can find the other IPv6 articles below…

IPv6

IPv6 – Part 1 (IPv6 and IPv6 Addresses)
IPv6 – Part 2 (What does IPv6 bring?)
IPv6 – Part 3 (Address Types in IPv6)
IPv6 – Part 4 (Subnetting IPv6)

IPv6 Static Route Configuration Examples…

IPv6 Static Route Configuration on Cisco
IPv6 Static Route Configuration on Juniper

IPv4 and IPv6 Headers…

IPv4 and IPv6 Headers

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