Wednesday, April 8, 2020

WatchGuard AP420's intermittent performance issues

Let me know if this isn't the proper subreddit for this:

 

About a year ago we redid the wifi in our building. We went through a vendor that handles our network switches and firewall/vpn appliance. They mapped out the area, determined the optimal positioning of the APs, and we had another vendor that pulls our low voltage cabling to do the cable runs and mount the APs in the predetermined positions. After they were installed and set up, the vendor made another map of the radio signals to confirm that the coverage was optimal.

 

We have 15 WatchGuard AP420s installed at our production facility. They are using POE+ injectors (only some of our switches had POE+) and are split up between our MDF and two IDFs. Some days the wifi is stout and we get the speeds you would expect to see. Other days it is horrible to the point where it's almost unusable. Today I was trying to move install media from a network drive to a client workstation. It was roughly 5 GB and it was transferring at a rate of ~250-750 KB/s and estimating that it would complete it 2+ hours. When I connected to the ethernet, the transfer took about 1.5 minutes.

 

The kicker is, right now over 50% of our company is working remotely and there are not nearly as many wireless clients as we would normally see. I have reached out to the vendor numerous times, and any time they've come on site, there are virtually no issues and the system is working as expected. We get billed for the vendor's time, and I can't keep justifying to my boss to have them make a site visit when ultimately nothing results from the visit. I know the system is capable of performing well, but at times it is unusable. Any recommendations on where to begin troubleshooting?



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