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Cisco AnyConnect keeps disconnecting with Verizon hotspot

Posted on 2015-02-02
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Last Modified: 2015-02-06
Hello,

We have had an issue with Verizon hotspots and our Cisco AnyConnect clients. Their connection would drop then resume every 10 seconds or up to every 2-3 minutes. Unusable and frustrating. We went to Verizon and were offered to get a new hotspot even though we told them we had 3 units and all were behaving the same way, different locations, different laptops.................................................

Of course other employees with AT&T hotspots were just fine. Tried to do more research and came across this: "The problem is more than likely because your IP address for your 4G device is changing.  To do this type "what is my ip" in Google and record the answer.  Then connect to your VPN.  When it drops go back to google and check your IP again.  If it changed that is your cause.  VZW can get you a static IP which will fix this, but they make it hard to actually get one - they are stingy with them." - posted by john79g back in 2012 on Verizon's forums - https://community.verizonwireless.com/thread/533338?start=0&tstart=0

So I checked and sure enough, my public IP keeps renewing with a different one and the VPN connection drops then resumes. Constantly getting a new IP.

The MiFi unit is the old 4510L. My question is: is this a Verizon network issue, a Verizon hardware issue meaning this specific hotspot did that but newer models don't or is this something I need to work on my ASA 5510? Or a combination of all of that? I assumed all this time that if all other VPN sessions from all my other users have been fine for years with multiple carriers and ISPs, it has to be a Verizon issue.
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Question by:fresnotek
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4 Comments
 
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Expert Comment

by:asavener
ID: 40584596
Your ASA has nothing to do with whether the IP address is changing on the MiFi device.

Definitely a problem that Verizon needs to fix.
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Author Comment

by:fresnotek
ID: 40587603
I was thinking the same thing but was wondering if there a feature that could be/should be configured on teh ASA to be more "friendly" sort of speak with the interaction with the hotspot. I apologize, I am not a Cisco certified admin nor an expert with its configuration. Just dangerous enough to use one.

The crazy thing is that I believe it is geographically market related. By that I mean that I ended up taking it with me for a weekend out of town, over 250 miles away. I didn't experience any issues. Yet, more than 5 users who borrowed that unit, including one users who bought her own MiFi through Verizon, had the same issues within 120 miles of our corporate office (Central Valley, California). I spoke with probably all the wrong people at Verizon about this, getting no where. I would need to get lucky and be persistent to reach someone higher up to help out. Or wait for a super-dedicated Verizon sales rep ready to sell me just about anything, throw that issue out there then watch his/her reaction and ability to try to get to the bottom of it..... :)
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Accepted Solution

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asavener earned 2000 total points
ID: 40588543
There's nothing you can do on your side.   If the IP address changes, the entire VPN has to be re-negotiated.

Personally, I'd just get a different carrier.
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Author Closing Comment

by:fresnotek
ID: 40594005
Thank you!!
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