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--></style></head><body lang=EN-US link="#467886" vlink="#96607D" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>We have the fault tolerant UDM Pro Max setup (main and “shadow”) in our offices, and we have AT&T and Comcast. AT&T is the primary and is always rock-solid. I see the Comcast connection fail a few times during the week, so it is only used as a backup connection. I like it that the UDM Pro lets me know when there are internet issues.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I too see about the same hop times as you do on AT&T and Comcast. Looking at my UniFi console now, I see that Comcast had six “high latency” alerts today…. None for AT&T.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>/Raj W.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-family:"Calibri",sans-serif;color:black'>From: </span></b><span style='font-family:"Calibri",sans-serif;color:black'>Ale <ale-bounces@ale.org> on behalf of Neal Rhodes via Ale <ale@ale.org><br><b>Reply-To: </b>Atlanta Linux Enthusiasts <ale@ale.org><br><b>Date: </b>Thursday, September 4, 2025 at 1:08 PM<br><b>To: </b><ale@ale.org><br><b>Cc: </b><neal@mnopltd.com><br><b>Subject: </b>[ale] So, Comcast says 8-16ms to their first hop is... OK?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana",sans-serif'><o:p> </o:p></span></p></div><div><p><span style='font-size:10.0pt;font-family:"Verdana",sans-serif'>We've been chasing why the church Unifi UDM Pro router is several times a day alerting that the Comcast Business Internet connection has gone down. <o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Verdana",sans-serif'>I did some pathping (kinda like MTR) tests yesterday, and typical times to 8.8.8.8 from the back of the Comcast router, eliminating our local router and lan are about 16ms. <o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Verdana",sans-serif'>Of that, 8-14ms is just the local Comcast router getting to its first hop. <o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Verdana",sans-serif'>My AT&T Uverse is about 3ms to the first hop, and I understood that to be normal. <o:p></o:p></span></p><p><span style='font-size:10.0pt;font-family:"Verdana",sans-serif'>I ping the Comcast Account manager, and here is the response:<o:p></o:p></span></p><p class=v1msonormal style='background:white'><em><span style='font-size:10.0pt;font-family:"Aptos",sans-serif;color:black'>Based on the findings, a lot of businesses/churches on the shared coax network in that area experience capacity issues which impacts reliability and performance. To solve this issue, I'd suggest a complete network overhaul, which we could setup and manage. </span></em><span style='font-size:10.0pt'><o:p></o:p></span></p><p class=v1msonormal style='background:white'><em><span style='font-size:10.0pt;font-family:"Aptos",sans-serif;color:black'>The first step would be migrating to a dedicated network. Comcast would build out a dedicated fiber connection to the church to guarantee network uptime and speed consistency. To guarantee wifi distribution/quality we would install a managed Meraki Device, with a new switch and Aps throughout the building. </span></em><span style='font-size:10.0pt'><o:p></o:p></span></p><p class=v1msonormal style='background:white'><em><span style='font-size:10.0pt;font-family:"Aptos",sans-serif;color:black'>Comcast would invest $11,789.43 to run the fiber line ( no cost to the church), and the monthly cost for everything would be estimated in the 2k-2.5k per month.</span></em><span style='font-size:10.0pt'><o:p></o:p></span></p><p class=v1msonormal style='background:white'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'>Really? Comcast Business Internet is that bad? And it's ok? </span><span style='font-size:10.0pt'><o:p></o:p></span></p><p class=v1msonormal style='background:white'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'>FYI, I have looked on what we could do to change the threshold in the Unifi router to relax the times and we can't find any such. </span><span style='font-size:10.0pt'><o:p></o:p></span></p><p class=v1msonormal style='background:white'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'>regards, </span><span style='font-size:10.0pt'><o:p></o:p></span></p><p class=v1msonormal style='background:white'><span style='font-size:10.0pt;color:black'> </span><span style='font-size:10.0pt'><o:p></o:p></span></p><p class=v1msonormal style='background:white'><span style='font-size:10.0pt;font-family:"Verdana",sans-serif;color:black'>Neal </span><span style='font-size:10.0pt'><o:p></o:p></span></p><p class=v1msonormal style='background:white'><span style='font-size:10.0pt;color:black'> </span><span style='font-size:10.0pt'><o:p></o:p></span></p></div><p class=MsoNormal>_______________________________________________ Ale mailing list Ale@ale.org https://mail.ale.org/mailman/listinfo/ale See JOBS, ANNOUNCE and SCHOOLS lists at http://mail.ale.org/mailman/listinfo <o:p></o:p></p></div></body></html>