Sorry for the delay in updating on the ftp issue. After changing the DNS setting on the modem on Thursday, 21 March, it appeared that the ftp connection issue might have been resolved, at least for the Ethernet connected computers. I made several ftp connections on Thursday and Friday from multiple computers with different OS versions and they connected without any problems. Saturday morning, 23 March, I connected OK from one computer, however Saturday afternoon the connection from the same computer to the same ftp server failed. Over these same three days Wi-Fi connected handheld devices were hit-and-miss with ftp connections whether on 2 GHz or 5 GHz. The Wi-Fi handheld devices did connect via the AT&T LTE network however using the same software. Sunday morning, 24 March, I cycled the power on the modem. Computer connections via Ethernet were OK. Wi-Fi ftp connection worked from one device but failed on another device. Monday morning, an Ethernet computer connected OK, but the same computer and a Wi-Fi device failed to connect to the ftp server that evening. Tuesday morning, 26 March, at 0650 MST: I tested the ftp connection from one of the Ethernet connected computers; it worked. However at 0705 MST the same connection failed. I don't have any way to detect packet loss but did run a traceroute from the computer that failed to connect. It failed to complete the trace: traceroute to www.weasner.com (206.188.193.186), 64 hops max, 72 byte packets 1 192.168.42.1 (192.168.42.1) 0.469 ms 0.232 ms 0.197 ms 2 100.67.112.193 (100.67.112.193) 0.424 ms 0.357 ms 0.256 ms 3 host1743300129217.direcway.com (174.33.217.129) 590.670 ms 566.960 ms 589.957 ms 4 host17433004221.direcway.com (174.33.221.4) 599.858 ms 637.780 ms 599.531 ms 5 ae3-651.bar2.sanfrancisco1.level3.net (4.14.107.209) 619.946 ms 597.855 ms 609.841 ms 6 * * * 7 sjo-b21-link.telia.net (80.239.195.62) 602.075 ms 627.716 ms 639.845 ms 8 defensenet-ic-302038-sjo-b21.c.telia.net (62.115.35.134) 609.946 ms 637.273 ms 589.843 ms 9 * * * 10 107.162.79.2 (107.162.79.2) 590.229 ms 596.803 ms 609.822 ms 11 * * * I realize (like most technical people) that Internet routing is a mess. But it does seem strange that the routing via the HughesNet network connection is hit-n-miss but that it always works via the AT&T LTE network. At this point I'm not certain how to proceed.
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