Cisco IPv6 Training Enabling IPv6 on a Cisco Router

Now so as which will allow (permit) a Cisco router to start routing IPv6 packets, you may need to perform the following tasks.

Enable IPv6 routing globally on the router; after which enable IPv6 processing on a particular interface(s).

To begin finishing task primary (allowing IPv6 routing globally on a router) you may want to go into Global Configuration mode and kind ipv6 unicast-routing on the router like you see right here:

Router>permit
Router#configure terminal
Router(config)#ipv6 unicast-routing
Router(config)#exit
Router#

Notice, that I typed the word “permit” even as the router changed into in User Exec mode (Router>) which then positioned the router into Privileged Exec mode (Router#). Then once the router was in Privileged Exec mode (Router#) I typed the words “configure terminal” which then positioned the router into Global Configuration mode (Router(config)#) so I ought to start configuring the router to globally route IPv6 packets; and as you may see, I typed the Global Configuration command “ipv6 unicast-routing” to finish mission number one.

So, to make a protracted story quick, the command that you need to kind on a Cisco router to enable it globally for IPv6 packet routing is “ipv6 unicast-routing”.

Now, that I’ve successfully finished mission number one, I typed the phrase “exit” to depart Global Configuration mode (Router(config)#) and re-entered into Privileged Exec mode (Router#).

Router>permit
Router#configure terminal
Router(config)#ipv6 unicast-routing
Router(config)#exit
Router#configure terminal
Router(config)#interface fastethernet 0/0
Router(config-if)#ipv6 enable
Router(config-if)#

Now, for the reason that router is back into Privileged Exec mode (Router#), I continued directly to finishing assignment wide variety two (allowing IPv6 processing on a particular interface(s). By re-typing the command “configure terminal” which placed the router again into Global Configuration mode (Router(config)#), so I may want to use the “interface” command to specify the interface type (fastethernet) and its slot and port data (zero/zero). Notice, that the router has entered into Interface Configuration mode (Router(config-if)#) through hitting the enter key, and once the router became in Interface Configuration mode (Router(config-if)#); I used the interface command “ipv6 enable” to permit the fastethernet 0/zero interface for IPv6 processing to finish assignment variety 2.

Here’s every other way the previous instructions could have been typed:

Router>enable
Router#configure terminal
Router(config)#ipv6 unicast-routing
Router(config)#interface fastethernet 0/zero
Router(config-if)#ipv6 enable
Router(config-if)#exit
Router#

Notice, that it wasn’t absolutely important to depart Global Configuration mode (Router(config)#) to finish both obligations; I just did it, to show you every undertaking personally.

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