Packet tracer ipv6 dhcp relay on Cisco ISR4331
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03-29-2021 01:38 AM
I'm working on a Packet Tracer lab (8.5.1).
The lab informs that one needs a Cisco 4221 router.
However, this router is not part of my packet tracer inventory. I'm working on Linux and MacOs. I expect that must be the cause
I have to implement ipv6 dhcp relay now on a ISR4331 router.
As sofar all went well, however it is not possible to configure a dhcp relay on an ISR4331 interface.
The command
"
Router(config-if)# ipv6 dhcp relay destination <ipv6> <interface>
"
yields:
% Invalid input detected at '^' marker.
My question: what can I do to obtain the 4221 router or it's operating-system image?
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IPv6 Configuration
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11-04-2021 10:17 AM
I was assigned to do the same lab at Uni, it is just simply a packet tracer problem. They still haven't fixed the issue and it is there for all current routers. I just skipped that part and assumed that I finished the lab. I hope they get it fixed and updated.

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11-05-2021 03:00 PM
Hello,
the 4331 was introduced in PT version 7.3.1., use the download link below and check if it is in there...
