Getting Started. Virtual Cisco Router for VMware « Ultimatenetworking's Blog. Posted on October 25, 2010 by ultimatenetworking Brief. So my virtual environment has Virtual servers, Virtual Checkpoint firewalls and the final part of this is to get some virtual Cisco Routers Running to bind it all together. Dynamips is a emulation program for cisco routers, it runs actual IOS, not some kind of pretend IOS and can route actual packets and behaves exactly like a cisco router ( just much slower than a real Cisco Router ).
GNS3 is a graphical friendly front end for dynamips. This is the how-to guide I used to get GNS3 , Now with GNS running on my centos box the next stage is to get GNS3 and my cisco router running on GNS to talk to the real world. Items I had to discover for myself were [root@localhost ~]# find -name *bash_profile* ./.bash_profile [root@localhost ~]# vi .bash_profile PATH=$PATH:$HOME/bin. Graphical Network Simulator - GNS3. How to install a Cisco Router / Firewall. Connect the NT4 Admin-Workstation on COM1 or COM2 using the blue RS-232 cable delivered with the CONSOLE-Port on the CISCO Router. This connection is used as the Router Console, to enter commands and to verify the boot process.
To down- and upload the IOS image and configuration file a crossover LAN cable is needed. After booting the router, you will see the following messages in TeraTermPro (Terminal Emulation Software). System Bootstrap, Version 11.3(2)XA4, RELEASE SOFTWARE (fc1) Copyright (c) 1999 by cisco Systems, Inc. TAC:Home:SW:IOS:Specials for info C2600 platform with 32768 Kbytes of main memory Enter the basic parameters Continue with configuration dialog?
Configuring interface FastEthernet0/0: Use the 100 Base-TX (RJ-45) connector? [0] Go to the IOS command prompt without saving this config. [1] Return back to the setup without saving this config. [2] Save this configuration to nvram and exit. Enter your selection [2]: 2 CISCO TFTP-Server firebox# sh flash Load Image to Router: ! Catalyst Fixed Configuration Layer 2 and Layer 3 Switches.