Internet issues on Monterey

Anyone else having Internet issues on macOS Monterey? I installed it last night and this morning I can only stay connected to the Internet for about 5-10 minutes before Safari gives a DNS issue. I've switched from using Google DNS to my ISP one, issue still persists. Flushed the DNS cache, issue still persists. Deleted all known networks, issue still persists.


Rebooting is the only way I can get Internet reconnected which is annoying every 10 minutes! was this OS not tested?????

MacBook Pro 15″, macOS 12.0

Posted on Oct 26, 2021 2:59 AM

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Posted on Jan 24, 2022 9:02 AM

This is an issue with Intel-based Macbook Pros running Monterey 12.1 and AnyConnect Client 4.9+  It appears AnyConnect Client 4.8.00175 is extremely stable on Monterey 12.1. I installed it yesterday and confirmed stats on UDP protocol remains below 100 at all times using command 


netstat -anxv -p udp | wc -l


With newer versions of AnyConnect client 4.9+, stats exceed 150,000.  Please uninstall your current version of AnyConnect client on your Macbook Pro with Monterey 12.1 and install 4.8.00175

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166 replies

Feb 18, 2022 10:59 AM in response to simonjhutton84

Having the same problem, and I believe that @mtohidn is correct. We use AnyConnect at my workplace, and several times yesterday my networking became unresponsive; had to reboot to get things working again. IT is recommending wiping the disk and re-installing the OS, which is not feasible right now. I also tried resetting the SMC, which seemed to help for the second half of yesterday, but ran into the issue again this morning.


Doesn't Mac OS have a command line tool to restart networking services? IIRC Ubuntu/Linux makes this possible though I don't recall the command.

Dec 20, 2021 12:06 PM in response to Kahantext

This too worked for me (Creating a new Network location in System Preferences). I wish I better understood why it works, but I'm glad it works without rebooting.

I was able to switch back to automatic and everything worked again after that.

So I kept the second Location and called it Alternate. If this comes up again (and it's been coming up somewhat frequently lately), I'll see if switching back and forth will solve the issue.


Dec 21, 2021 2:51 PM in response to simonjhutton84

So I thought my Mac was all working again after it's fresh install but nope, today the issue has come back with no changes at all made. I can ping the IP address of websites etc. but using the name does nothing. Very clearly a DNS issue, flushed DNS as usual did nothing, only thing that got DNS working again on my Mac was a reboot. Seriously getting annoyed at this issue.

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Internet issues on Monterey

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