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Cisco AnyConnect Constantly Reconnecting on Macbook Pro

brandonleetran
Level 1
Level 1

Hi Folks,

 

In the past month my VPN AnyConnect is constantly reconnecting. From every 3 minutes to every 15 minutes at times. This is a major blocker for attending meetings and workflow interruptions. 

 

I've tried various changes from IPv6 disabling to MTU adjustments but none of these tweaks are correcting the problem.

 

Macbook Pro 15-inch, 2018

macOS Mojave 10.14.5

Cisco AnyConnect Secure Mobility Client Version 4.7.01076

AT&T Gigabit 

Router Model5268AC
Hardware Version260-2173300
Software Version11.1.0.531418-att

 

I did do a test and spent 1.5 hours at Starbucks connected to the VPN with no issues. What is it with AT&T and Cisco combination that is causing the constant reconnects?

 

Thanks for any help.  

 

11:23:53 AM Reconnecting to ******.com...
11:23:55 AM Establishing VPN - Examining system...
11:23:55 AM Establishing VPN - Activating VPN adapter...
11:23:55 AM Establishing VPN - Configuring system...
11:23:58 AM Establishing VPN...
11:23:58 AM Connected to ******.com...
11:25:53 AM Reconnecting to ******.com...
11:25:56 AM Establishing VPN - Examining system...
11:25:56 AM Establishing VPN - Activating VPN adapter...
11:25:56 AM Establishing VPN - Configuring system...
11:25:58 AM Establishing VPN...
11:25:58 AM Connected to ******.com...
11:27:01 AM Reconnecting to ******.com...
11:27:03 AM Establishing VPN - Examining system...
11:27:03 AM Establishing VPN - Activating VPN adapter...
11:27:03 AM Establishing VPN - Configuring system...
11:27:06 AM Establishing VPN...
11:27:06 AM Connected to ******.com...
11:30:37 AM Reconnecting to ******.com...
11:30:39 AM Establishing VPN - Examining system...
11:30:39 AM Establishing VPN - Activating VPN adapter...
11:30:39 AM Establishing VPN - Configuring system...
11:30:52 AM Establishing VPN...
11:30:52 AM Connected to ******.com...
11:32:37 AM Reconnecting to ******.com...
11:32:40 AM Establishing VPN - Examining system...
11:32:40 AM Establishing VPN - Activating VPN adapter...
11:32:40 AM Establishing VPN - Configuring system...
11:32:42 AM Establishing VPN...
11:32:42 AM Connected to ******.com...

34 Replies 34

Rahul Govindan
VIP Alumni
VIP Alumni

@brandonleetran I have the exact same ATT setup.

 

Manufacturer Pace Plc
Model 5268AC
Serial Number xxxxx
Hardware Version 260-2173300
Software Version 11.1.0.531418-att

 

I have not seen this issue when using AnyConnect VPN from my Mac Air (High Sierra). Do you see any packet loss for traffic going to your gateway? Try running a ping to the gateway before and during connection and see if there any difference.