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Friday, July 20, 2007 10:58 PM

How to identify/reset the stuck sessions in Cisco Router's

There are 5 max concurrent session in Cisco world. There can be a situation in life in which the max concurrent sessions reach the limits. When addressing such situations, it might help. The following command on Unix will dump all the TCBs of the remote
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Saturday, February 25, 2006 8:58 AM

How Secure is WEP?

I intended to write this month about WLAN Security something other than switching/routing, system administration, or network engineering . But I've been spending a bit too much time recently working with some of the WLAN cracking ("security administration")
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Wednesday, February 08, 2006 1:36 PM

FreeRADIUS EAP/TLS ^^^ Windows XP as supplicant

This is one of those things where I was way over my head. I’ve been trying to set up an 802.1x-protected access point at office with support for EAP, PEAP, and EAP-TTLS. Why? So I could connect to it from Windows XP and know what it feels like. (it’s
Posted by jahil | 1 Comments
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Monday, October 03, 2005 9:14 AM

Network Bottlenecks

We have several remote offices that are connected by various kinds of pipes. The tool that can measure the available bandwidth and determine where our bottlenecks might be. Take a look at the program pchar . It's available from: http://www.kitchenlab.org/www/bmah/Software/pchar/
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Monday, September 26, 2005 11:47 AM

Network Traffic Analysis (FlowViewer)

I recently configured flow-tools called FlowViewer on the flow-tools mailing list ( http://mailman.splintered.net/mailman/listinfo/flow-tools ). Granted it produces web-based text reports and not graphs at this time, it may still be useful to you. http://ensight.eos.nasa.gov/FlowViewer/
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Monday, April 11, 2005 11:40 AM

SSL, IPSec and PPTP VPN’s

SSL-VPNs are a great solution for private corporate networking over satellites. The problem with IPSec and PPTP VPNs is that they encapsulate/encrypt the entire packet so broadband satellite solutions that include TCP Acceleration, spoofing or performance
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