Troubleshooting network connectivity

Having trouble with my network connection.  Packet loss is about %70 and is spread over a variety of network addresses.  Very frustrating.  Plagued by intermittent disconnects etc.

For instance, ping of my dns server has %85 packet loss.  Insane!

--- --.--.--.-- ping statistics ---
28 packets transmitted, 4 received, 85% packet loss, time 27003ms
rtt min/avg/max/mdev = 22.152/29.321/41.469/7.271 ms

In order to troubleshoot this issue, I need:

  • a map of my home network
  • to locate dropped packets
  • map destinations of entertainment devices
  • repair server connection to router
  • figure out why there is lag at those points

Looks like a long night.  Ran mtr on my dns server and got:

mtr-1So it looks like a DNS server issue.  I change the DNS server, replace the modem, and everything works fine…except now for some reason, my laptop won’t connect wirelessly.  New problem.  New article.

Bibliography:

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