Blog Archives

Securing an eBGP session with a static VTI while using physical interface for data plane.

A common and reasonable requirement would be to secure communications of the control plane for BGP between two neighbors to provide data authentication, confidentiality and anti-replay.  Since BGP does not possess any inherent security mechanism other than MD5 authentication (and

Posted in Projects, Security

Getting catty with Netcat.

Netcat.  I have heard it described as the swiss army knife of network utilities.  Yes there are other tools that can do the same things (such as iPerf) and NetCat only runs on Linux.  However every Network Engineer must have a softspot in their

Posted in Routing, Security, Switching

Network Benchmarking – Part 1

Anyone working in the industry for awhile has observed that the network tends to be blamed for many application issues whether deserved or not.  Occasionally Network Engineers are in put in a position to prove it is not their network to blame for

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Posted in Philosophy, Routing, Security, Storage Area Networking, Switching

Hacking the Pix 506E & Lab Woes

I ran into a few issues that prevented me from getting as far I would have liked.  As my wife famously once said to me, “If it’s not something, it’s something else.” First issue was lack of Ethernet ports.  I

Posted in Education, Routing, Security
Charles Stizza

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