A little reboot now and then..

Just a reminder that rebooting does help. My home network was experiencing slowness and lag.  Xbox games were having issues, etc.  Started pings to various sites and they all looked this way. Even to the provider’s DNS.  I rebooted the CPE and all is well.  Sometimes it’s the simple things.

Before the reboot

After the reboot

MTR Traceroute and you

For those of you who don’t know about MTR traceroute it can be a very helpful diagnostic tool.  MTR is a visual application that combines the functionality of the traceroute and ping in a single network diagnostic tool.

https://www.bitwizard.nl/mtr/

If you are a Mac user like me MTR is available through homebrew.
http://macappstore.org/mtr/

mtr to j2sw.com from my comcast connection.

Windows Users
https://sourceforge.net/projects/winmtr/

 

Troubleshooting a fiber optic link on Cisco switches

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Podcast: Quick troubleshooting for ISP networks

Been a little bit so I wanted to do a short talk about troubleshooting in ISP networks. I see too many folks waste a lot of time when they should be starting qt the lower levels of the OSI model and working up.