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Category Archives: General
frame relay switch – create a config
Hello, for my new frame relay switch I was looking for a full mesh configuration. With this I could create different logical connections between the routers using frame relay just by changing the configuration. My new frame relay switch is … Continue reading
iPhone – the fischertechnik stand
Hello, some iPhone stands are really expensive and I was looking for one that will also work with my current and maybe also with my next iPhone. Not to forget that I use an iPhone protection case and that I … Continue reading
sispmctl – control a terminal server
Hello, a terminal server is very useful in a Cisco lab. To be usefull it should be up and running, but keep it switched on 24/7 is not an option in a home lab. With a Gembird SIS-PM programmable power … Continue reading
Posted in Cisco, General, Linux
Tagged alive, power outlet, script, sispmctl, snmp, terminal server
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Using ipcheck to update your dyndns entry
Hello, last night my Fritz!Box router failed to update my dyndns entry and so I couldn’t reach my private network during the day. One suggestion from helpful people was to mail the outside IP address to myself. Too easy! A … Continue reading
Hide a Token Ring router
Hello, my current frame relay switch is a Token Ring router (see My current lab ). Once a frame relay switch is configured there is no need to reach it any more. But what about messages on the main syslog … Continue reading
My current lab
Hello, my current Cisco lab. On the left two 1712 routers and on the right from the top: A 2520 router, a 2511 terminal server, two 2950 switches and a 3548 switch. The 2520 is the latest addition to the … Continue reading
Using the AUX port to connect two routers
Hello, the AUX port on a Cisco router is seldom used, but it can be useful as an extra connection between two routers in a lab environment. For this example I used two Cisco 2516 router. The first step is … Continue reading
%cdp-4-duplex_mismatch
Hello, when you use older Cisco routers together with more update routers in the same ethernet network and you are using CDP (Cisco Discovery Protocol) you maybe familiar with the following message. 000042: Jan 13 21:22:23.001: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered … Continue reading
Snow Leopard – Let’s Scan Again
Hello, I don’t know why Apple use such names like Panther, Tiger or Leopard for their Mac OS X software. Don’t get me wrong, I like this names. But why on earth do they call one version Leopard and the … Continue reading
sispmctl – light (on|off|toggle|state)
Hello, this is a followup to the posts sispmctl and sispmctl – using it as non root . With this script we can switch the light on and off, toggle it and check the current state. This shell script shows … Continue reading
Posted in General, Linux
Tagged power outlet, programmable, script, shell, sispmctl, usb
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