IT certification lab simulation » dynamips tools http://www.netemu.net Share IT technologies and lab experiences with you Fri, 10 Apr 2009 01:38:26 +0000 en hourly 1 http://wordpress.org/?v=3.0 dynamips tools:Cambiar la terminal usada por Dynagen (GNU/Linux & FreeBSD) http://www.netemu.net/dynamips/dynamips-toolscambiar-la-terminal-usada-por-dynagen-gnulinux-freebsd/22.html http://www.netemu.net/dynamips/dynamips-toolscambiar-la-terminal-usada-por-dynagen-gnulinux-freebsd/22.html#comments Fri, 27 Mar 2009 02:28:45 +0000 admin http://www.ciscosim.net/dynamips/cambiar-la-terminal-usada-por-dynagen-gnulinux-freebsd/22/

Cambiar la terminal usada por Dynagen (GNU/Linux & FreeBSD) February 26th, 2008 by Busindre

Dynagen, el conocido emulador de plataformas Cisco (Routers) para sistemas Unix y Windows, usa en su versión Unix la terminal xterm para ofrecer al usuario la posibilidad de controlar los distintos routers emulados. La consola lanzada por Dynagen es una Xterm con fondo blanco y letras negras, pero podemos modificar su aspecto o cambiar de terminal, ya sea konsole, aterm, rxvt, etc,… Solo necesitamos localizar el fichero dynagen.ini y editar la linea referente al telnet.

* Localizar el Fichero dynagen.ini

$ locate dynagen.ini
/opt/dynagen-0.10.1/dynagen.ini

* Editar / Comentar la siguiente linea:

telnet = xterm -T %d -e telnet %h %p > /dev/null 2>&1 &

* Cambiar / Añadir otra linea, por ejemplo usaremos una aterm con transparencia roja:

telnet = aterm -fn fixed -tr -trsb -sh 34 -fg white -tint red -bw 0 -cr cyan -sr -T %d -e telnet %h %p > /dev/null 2>&1 &

Variables:

%h = PC donde se ejecuta dynagen
%p = Puerto
%d = Nombre del router

ScreenShot: http://www.busindre.com/archivos/dynagen.jpg

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]]> http://www.netemu.net/dynamips/dynamips-toolscambiar-la-terminal-usada-por-dynagen-gnulinux-freebsd/22.html/feed 1 dynamips lab: Dynamips with Microsoft Loopback Interface http://www.netemu.net/dynamips/dynamips-lab-dynamips-with-microsoft-loopback-interface/15.html http://www.netemu.net/dynamips/dynamips-lab-dynamips-with-microsoft-loopback-interface/15.html#comments Thu, 26 Mar 2009 01:59:55 +0000 admin http://www.ciscosim.net/dynamips/cisco-dynamips-with-microsoft-loopback-interface/15/ This tutorial is part 3 in a series of basic Dynamips tutorials. This particular tutorial demonstrates dynagen’s ability to create a virtual switch that allows your virtual routers to communicate with a PC via a loopback interface.

Use Windows loopback with Cisco Router Emulator

There are plenty of times where you might want to use Dynamips when not connected to a network. Maybe your out on the road and just want to practice some labs. It would be nice to have your laptop network adapter part of the emulated network – even when your laptop is not connected to any network.
The solution is to use a loopback adapter in Windows, then including it in your Dynagen config file.
First, create a new loopback adapter in Windows (these instructions are assuming Windows XP)

  1. Click Start, and then click Control Panel. Because this is XP, you may have it set up this way, or you may have your interface set up in Classic view. Either way, navigate your way to ‘Add Hardware’, or ‘Printers and Other Hardware’

ynamips with Microsoft Loopback Interfac.jpg

  1. Launch the Wizard to Add Hardware to your system. Do not be confused because you are not actually installing any new hardware, just simply adding a ‘network adapter’ which is acting as a virtual adapter.
  2. Click next, once you have launched the Wizard. You will see a series of dialog boxes open to ask you about scanning for hardware changes, etc – you will want to do everything manually in this exercise. There will be no automatic scanning for any reason because you have not installed anything, the installation will immediately fail.

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