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Why is Cisco AnyConnect VPN not working with Yosemite MBP tethered to iPhone 6?

We've encountered an issue here at the office and have found several online threads with the the same problem (such as the Cisco forums):


The combination of a Mac running Yosemite (in my case MBP) tethered to an iPhone 6 (running OS8) won't allow the Cisco AnyConnect VPN client to work properly. Once logged in to my VPN account the MBP loses all internet and file server access. So far I've only tested on iPhones with Verizon service.


Yosemite MBP and Verizon hotspot device? Works!

Mavericks MBP and iPhone 6? Works!

But no instance of Yosemite MBP and Verizon iPhone 6 has successfully worked.


There was a suggestion to disable ipv6 on the MBP, which I did, but this didn't work either.

I've tested on the three most recent versions of AnyConnect, up to 3.1.06...


Anyone else encountering this? Anyone with a fix?


Thanks!

MacBook Pro with Retina display, iOS 8.1.2

Posted on Dec 16, 2014 2:37 PM

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Question marked as Top-ranking reply

Posted on Jan 27, 2015 12:40 PM

Here's the fix: You need to disable IPV6 on the mac.


open a terminal

type this on one line:

networksetup -setv6off Wi-Fi


That will disable IPV6. Now it works.


This is a Verizon problem only. AT&T doesn't give IPV6 addresses to the tethered computer. But Verizon does.


Eric

19 replies

Why is Cisco AnyConnect VPN not working with Yosemite MBP tethered to iPhone 6?

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