Checking for port errors on Cisco Switches

Recently had a macbook pro which had a network dongle that was very hot and the network connection stopped working. Found that the dongle was sending garbled signal down the wire and the Cisco switch shutdown the port. # all status show interfaces status # port...

Cisco 877 Continual Reload

I used Cisco's SDM to configure the stateful firewall component on a Cisco 877 but I let it add all the automatic Instant Messenger rules. That's when things started going wrong. The Cisco crashed and reloaded... probably 10 times a day. Deleting the IM stateful...

Cisco Network Topology Icons

If you use Dia or another open source diagramming package you may need some network infrastructure icons. Cisco publishes some here http://www.cisco.com/web/about/ac50/ac47/2.html Note: Dia already includes most of these which were converted several years ago when the...

About the Author

James is an IT Professional based in Melbourne, Australia. He blogs about Information Technology, Open Source software, home renovations, good reads and travel.

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