The musings of an IT Consultant:



July 31, 2009  8:43 PM

Sniffing traffic on a Cisco switch

Posted by: Raj Perumal
Cisco, Packet Sniffing, Port SPAN, switched port analyzer, Wireshark

Hello again folks, so if you've been in networking long enough you've probably ran into issues where you just wish you could look right at the network traffic. As I've posted before, one of the best ways to do this is to use a packet sniffer such as the old Ethereal, or the new...

August 11, 2008  4:28 AM

Packet sniffing is your best friend…

Posted by: Raj Perumal
Ethereal, Network Monitor, Packet Sniffing, Wireshark

Sometimes when you are troubleshooting network issues, you just can't seem to put your finger on the source of the problem. Whatever it is that is causing your network issue is evading you and you're wondering how are you going to track it down. I find using a packet sniffer to actually look at...

June 26, 2008  2:28 PM

Any doesn’t always mean Any…

Posted by: Raj Perumal
firewall rules, Firewalls, IT consultant, Network Monitor, packet sniffer, Packet Sniffing, Wireshark

Hi folks, here's another little tidbit from the wonderful world of firewalls. In the consulting world I have had to work with my fair share of firewall products. From SMB based devices all the way to the larger Enterprise products. There is one thing that I have run into time and time again and...


Forgot Password

No problem! Submit your e-mail address below. We'll send you an e-mail containing your password.

Your password has been sent to: