You may have mentioned it but I didn’t see it, have you tried narrowing down which device might be misbehaving by plugging each of the potential suspects in one at a time while running a ping? You could do a quick(er) binary search by plugging in half and checking and then unplugging those and plugging in the other half and narrowing down through that process.
> On Dec 23, 2018, at 01:05, Jonathan Duncan <jonat...@bluesunhosting.com> > wrote: > > Pluggers, > > I consider myself a pretty smarty guy when it comes to keeping a network up > and running, but recently, I have been having a difficult time figuring out > where the problems lie in my Internet connectivity problems. Need some > other eye on this. > > My first inclination is always to blame Comcast (my current ISP and the > monopoly provider in my town). However, I am not yet convinced it is them. > They currently provide me with a connection that is rated at "up to" 60Mbps > down. (I know, not blazing fast.) > > - When I connect a machine directly to my modem (Arris SB6141), I get full > speed (70+ down, 5+ up). > - When I plug in my router (R7000), only one machine connected, also full > speed. > - When I turn on the wireless, 10 or so devices connect, nothing overly > active (no streaming), also full speed. > - I start adding in some of the wired devices (gaming machines, internet > phone, media devices) I start seeing ping time jumping all over the place > and even timing out. I would naturally expect some increases in latency as > multiple machine come online and start using up some of the bandwidth, but > ping times in excess of 1 second (sometimes even 3+ seconds) and even > request timeouts, I do not expect. > > 64 bytes from 172.217.164.110: icmp_seq=480 ttl=53 time=40.792 ms > 64 bytes from 172.217.164.110: icmp_seq=481 ttl=53 time=38.482 ms > 64 bytes from 172.217.164.110: icmp_seq=482 ttl=53 time=39.145 ms > 64 bytes from 172.217.164.110: icmp_seq=483 ttl=53 time=253.197 ms > 64 bytes from 172.217.164.110: icmp_seq=484 ttl=53 time=396.841 ms > 64 bytes from 172.217.164.110: icmp_seq=485 ttl=53 time=564.304 ms > 64 bytes from 172.217.164.110: icmp_seq=486 ttl=53 time=827.045 ms > 64 bytes from 172.217.164.110: icmp_seq=487 ttl=53 time=975.489 ms > 64 bytes from 172.217.164.110: icmp_seq=488 ttl=53 time=990.361 ms > 64 bytes from 172.217.164.110: icmp_seq=489 ttl=53 time=994.714 ms > 64 bytes from 172.217.164.110: icmp_seq=490 ttl=53 time=991.633 ms > 64 bytes from 172.217.164.110: icmp_seq=491 ttl=53 time=991.545 ms > 64 bytes from 172.217.164.110: icmp_seq=492 ttl=53 time=955.479 ms > 64 bytes from 172.217.164.110: icmp_seq=493 ttl=53 time=951.906 ms > 64 bytes from 172.217.164.110: icmp_seq=494 ttl=53 time=772.042 ms > Request timeout for icmp_seq 495 > 64 bytes from 172.217.164.110: icmp_seq=495 ttl=53 time=1021.809 ms > 64 bytes from 172.217.164.110: icmp_seq=496 ttl=53 time=1017.917 ms > 64 bytes from 172.217.164.110: icmp_seq=497 ttl=53 time=1021.218 ms > 64 bytes from 172.217.164.110: icmp_seq=498 ttl=53 time=289.421 ms > 64 bytes from 172.217.164.110: icmp_seq=499 ttl=53 time=41.352 ms > 64 bytes from 172.217.164.110: icmp_seq=500 ttl=53 time=372.632 ms > 64 bytes from 172.217.164.110: icmp_seq=501 ttl=53 time=363.949 ms > 64 bytes from 172.217.164.110: icmp_seq=502 ttl=53 time=313.215 ms > 64 bytes from 172.217.164.110: icmp_seq=503 ttl=53 time=435.189 ms > 64 bytes from 172.217.164.110: icmp_seq=504 ttl=53 time=93.229 ms > 64 bytes from 172.217.164.110: icmp_seq=505 ttl=53 time=323.441 ms > > When I get all my devices connected I start seeing ping responses like this: > > 64 bytes from 172.217.164.110: icmp_seq=1079 ttl=53 time=43.187 ms > 64 bytes from 172.217.164.110: icmp_seq=1080 ttl=53 time=41.130 ms > 64 bytes from 172.217.164.110: icmp_seq=1081 ttl=53 time=38.914 ms > 64 bytes from 172.217.164.110: icmp_seq=1082 ttl=53 time=40.470 ms > 64 bytes from 172.217.164.110: icmp_seq=1083 ttl=53 time=38.809 ms > 64 bytes from 172.217.164.110: icmp_seq=1084 ttl=53 time=39.203 ms > 64 bytes from 172.217.164.110: icmp_seq=1085 ttl=53 time=40.279 ms > 64 bytes from 172.217.164.110: icmp_seq=1086 ttl=53 time=46.982 ms > 64 bytes from 172.217.164.110: icmp_seq=1087 ttl=53 time=52.701 ms > 64 bytes from 172.217.164.110: icmp_seq=1088 ttl=53 time=883.421 ms > 64 bytes from 172.217.164.110: icmp_seq=1089 ttl=53 time=58.761 ms > Request timeout for icmp_seq 1091 > Request timeout for icmp_seq 1092 > Request timeout for icmp_seq 1093 > Request timeout for icmp_seq 1094 > Request timeout for icmp_seq 1095 > Request timeout for icmp_seq 1096 > Request timeout for icmp_seq 1097 > 64 bytes from 172.217.164.110: icmp_seq=1090 ttl=53 time=8192.267 ms > Request timeout for icmp_seq 1099 > Request timeout for icmp_seq 1100 > 64 bytes from 172.217.164.110: icmp_seq=1091 ttl=53 time=10303.713 ms > 64 bytes from 172.217.164.110: icmp_seq=1092 ttl=53 time=10042.261 ms > 64 bytes from 172.217.164.110: icmp_seq=1093 ttl=53 time=9691.866 ms > 64 bytes from 172.217.164.110: icmp_seq=1094 ttl=53 time=9785.860 ms > 64 bytes from 172.217.164.110: icmp_seq=1095 ttl=53 time=8787.444 ms > 64 bytes from 172.217.164.110: icmp_seq=1096 ttl=53 time=8433.983 ms > 64 bytes from 172.217.164.110: icmp_seq=1097 ttl=53 time=7907.556 ms > 64 bytes from 172.217.164.110: icmp_seq=1098 ttl=53 time=7974.695 ms > 64 bytes from 172.217.164.110: icmp_seq=1099 ttl=53 time=8286.394 ms > 64 bytes from 172.217.164.110: icmp_seq=1100 ttl=53 time=7392.542 ms > 64 bytes from 172.217.164.110: icmp_seq=1101 ttl=53 time=6397.529 ms > 64 bytes from 172.217.164.110: icmp_seq=1102 ttl=53 time=5400.966 ms > 64 bytes from 172.217.164.110: icmp_seq=1103 ttl=53 time=4856.724 ms > 64 bytes from 172.217.164.110: icmp_seq=1104 ttl=53 time=4226.401 ms > 64 bytes from 172.217.164.110: icmp_seq=1105 ttl=53 time=3349.851 ms > 64 bytes from 172.217.164.110: icmp_seq=1106 ttl=53 time=2515.119 ms > 64 bytes from 172.217.164.110: icmp_seq=1107 ttl=53 time=2432.672 ms > 64 bytes from 172.217.164.110: icmp_seq=1108 ttl=53 time=3284.466 ms > > Thinking that perhaps my router is not handling thing very well, I swapped > it out with two other (older) routers that I have to see if there was any > difference. They both seemed to perform similarly. This makes me think that > either the routers are old and cannot handle the load. I would be concerned > about the lack of MU-MIMO on my router except that the majority of the > heavy hitters on the network are all wired. Sadly, none of my routers give > me a good idea of which devices are using the most bandwidth. It is > possible that I have some bad actors on the network. > > At full usage, my Internet connections are useless. Speedtests refuse to > run, or if they do the numbers are ridiculous. > > I have considered that perhaps the modem may be old and getting saturated. > I am looking for someone who might have an extra DOCSIS 3+ compatible cable > modem I could borrow to test on my network. > > It could just be that my own network and devices are fine and than my > connection with Comcast is just not robust enough. Perhaps I need to bite > the bullet and fork out the dough for higher bandwidth. > > I am open to any ideas or suggestions at this point. > > Thanks, > Jonathan > > /* > PLUG: http://plug.org, #utah on irc.freenode.net > Unsubscribe: http://plug.org/mailman/options/plug > Don't fear the penguin. > */ /* PLUG: http://plug.org, #utah on irc.freenode.net Unsubscribe: http://plug.org/mailman/options/plug Don't fear the penguin. */
