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In this example I've got three Cisco IOW v routers that have just booted up.

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One is going to act as our client.

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One's going to act as a DHB Version 6 a relay agent and one's going to act as our DHB Version 6 server

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so let's start with a relay agent.

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I'll call this road a relay and then on gigabit 0 0 on the to the interface and actually before configure

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IP version 6 addresses let's configure IP version 6 uni cost routing and now on gigabit 00 I'll configure

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an IP version 6 address of 2001 face colon colon 1 and then on gigabit 0 1 shut the interface might

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be v 6 address 2001 colon One two three four colon colon one slash 64 so show IP interface brief will

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show us no IP addresses because no IP version 4 is configured on this rather show IP vs 6 interface

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brief however shows us the IP version 6 global unique cost address on gigabit 0 00 as well as the address

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on gigabit 0 1 so show IP v 6 interface gigabit 0 0 there is the link local address global unique concert

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address and subnet address on gigabit December 1 we've got something similar link local address and

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global unique cost address.

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Now one thing we need to configure on the relay agent is on the interface that's going to receive the

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DHB request we need to configure IP 6 DHEA P relay and point it to the DHB server which in this case

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is going to have an IP address of 2001 1 2 3 4 colon colon to so to configured the relay agent we configure

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an IP address on gigabit to 0 0 and we configure the relay destination.

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So that's the configuration of the relay agent I'm going to enable IP v 6 DCP debugging so that we can

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see DHB messages received from the client.