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dabomb4097

join:2012-12-13
Willowbrook, IL

[IPv6] Router Gets IPv6 IP and DNS but no Default Gateway

tl;dr - Motorola SB6121 + Cicso E3200 Router gets IPv6 IP address and DNS Servers but no Default Gateway.

The whole story:

So, I recently moved a couple miles away and transferred my Comcast service.

At my previous house I had a leased UBee DDM3513 modem with a Cisco/Linksys E3200 router. I had fully functional native dual-stack IPv6 connectivity.

At the new house, the tech swapped the UBee for a Cisco DPC3000 that does not support IPv6 during some troubleshooting. I asked for a v6 modem but he said that was all he had on his truck.

I fixed this by purchasing my own v6 compatible Motorola SB6121 to replace the non-v6 Cisco, and eliminate the monthly rental fee. The modem activated just fine, but I can't get IPv6 working. My E3200 router receives an IP Address (2601: ...) and DNS servers on the v6 side, but it shows 0:0:0:0:0:0:0:0 for the Default Gateway, like its not getting one.

IPv4 works fine. Any ideas why I'm getting an IP and DNS but no Default Gateway when I enable IPv6 on my Cisco E3200 router?



NetFixer
Snarl For The Camera Please
Premium
join:2004-06-24
The Boro
Reviews:
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·Comcast Business..
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·Comcast

Not sure why you find it necessary to create two nearly identical threads, but my guess (and advice) hasn't changed since this post in your other thread: »Re: [IPv6] Comcast IPv6 Gives Address But No Default Gateway
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