Tag Archives: networking

Capture Files from Data Streams with Wireshark

Posted on July 30, 2012 by

Most networkers are familiar with the basic capabilities available in Wireshark. Packet captures are very helpful when troubleshooting a host of network problems. One feature folks may be less familiar with in Wireshark is it’s ability to actually save files that were seen as part of a packet capture. Continue reading →

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Disable Domain Lookup on Typos

Posted on July 26, 2012 by

Don’t you hate when you type a command incorrectly and your Cisco IOS device seems to take forever to time out and give you back control? There is a way around this without fully disabling domain lockups! Continue reading →

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Routing Protocol Basics

Posted on July 20, 2012 by

I wanted to take the opportunity to post some core basics for those of you just getting started with Cisco and routing protocols.  The table below shows the protocol, the type of routing protocal and the default administrative distance of that protocol.

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Tail Cat and Grep Your Log Files

Posted on July 12, 2012 by

I recently treated myself to a long overdue syslog server for our network devices. The system is on a Linux system (I would have it no other way) and has been instrumental to troubleshooting and auditing these past few weeks. You can read this article for some log parsing tricks ranging from basic to a bit more advanced. Cat, Grep and Tail are the commands that truly set Linux based syslog servers apart from one running on windows. Don’t get me wrong, there are other decent alternatives but it’s hard to beat a typed command and an instant result. There … Continue reading →

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