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In this lesson, we will focus on another Cisco Packet Tracer IPv6 Configuration. Here, we will focus on IPv6 Static Route Configuration on Cisco routers. How to configure IPv6 static routing on Cisco routers? We will answer this question and we will practice IPv6 static routing on Cisco devices with the help of Cisco Packet Tracer.
Before learning how to configure IPv6 static routes on Cisco devices, you can visit What is Static Route lesson and remember IPv4 static routes. There is also a nice example on that lesson.
Before Cisco Packet Tracer IPv6 Config Example, let’s firstly start with, what is IPv6 Static route?
You can also visit IPv6 Address Lesson to remember IPv6 address details.
IPv6 static route is a static route used with IPv6 addresses to route packets from a source network to an anohter destintion network manually. To do this, we need three infromation. These are:
The Destination Network is the IPv6 address prefix of the destination network.
The Next Hop Address is the next router’s interface IPv6 address.
The Outgoing Interface is the local router network interface.
We use IPv6 static routing in small or simple netwoks in which there is no requent change.
There are various IPv6 static routes used for different purposes. Thse IPv6 static route types are:
What is the purpose of these specific IPv6 static routes?
In this type IPv6 static route, only outgoing interface is specificed. Directly Attached Static Route is used when the destination is assumed to be directly reachable through this interface.
ipv6 route 2001:AAA::/32 GigabitEthernet0/0/0
This route directs traffic for 2001:AAA::/32 through interface GigabitEthernet0/0/0.
In this IPv6 static route, next hop address is specified. Here, the router performs a lookup to find the outgoing interface.
ipv6 route 2001:AAA::/32 2001:AAA:1000:1
Fully specified static route is the static routes which includes both outgoing interface and next hop IPv6 address.
ipv6 route 2001:AAA::/32 GigabitEthernet0/0/0 2001:AAA:1000:1
Here, this route directs the traffic for 2001:AAA::/32 through GigabitEthernet0/0/0 with 2001:AAA:1000:1 next hop address.
Sometimes in networks, we use backup static routes. These routers have more Administrative Distance (Preference) values.
ipv6 route 2001:AAA::/32 2001:AAA:1000:1 200
Here, the traffic for 2001:AAA::/32 is routed with next hop address 2001:AAA:1000:1 with administrative distance 200. This value makes this route a backup route. Becasue normally, standard Cisco static route administrative distance is 1.
There are various advantages and disadvantages of using static routes with IPv6. Let’s firstly start with the advantages of IPv6 static routing.
First of all when we use static routing, it is predictible because, we configure IPv6 static routes manually. Secondly, static routing consumes very low bandwidth and CPU resource if we compare them with dynamic routing protocol calculations. And lastly, using static routing is more secure than routing protocols.
How about limitations and disadvantages of IPv6 Static routing? The first limitation is also about manul aconfiguration. Because when we do a manual configuration, at every change, we shoud do this job manually and this need an extra work on networks. Again, because of manual configuration, it is not adaptable to the changes. And laslty, it is maden by Human. And human is always open to the wrong configurations that can cause routing loops.
In this Cisco IPv6 Configuration Example, you we have learned how to configure IPv6 static routes on Cisco routers. We have used Cisco Packet Tracer for IPv6 Static Route Config. If you would like to gain more hand on experience with Cisco Packet Tracer, you can visit other Packet Tracer configuration lessons.
To test yourslf, you can visit Cisco CCNA Practice Quiz Page!
