Cisco Iou Keygen Python
Python is the very versatile, object-oriented programming language used by startups and tech giants, Google, Facebook, Dropbox and IBM. Python is also recommended for aspiring young developers who are interested in pursuing careers in Security, Networking and Internet-of-Things. Cisco Networking Academy is an IT skills and career building. Cisco IOU License Generator-Kal 2011, python port of 2006 C version hostid = 00000000, hostname = gns3vm, ioukey = 25e Add the following text to /. @csolorio I checked for a backport of Python 3.6 stdlib secrets and I couldn't find one. But if you look at cpython/secrets.py you may find it's a small enough module to backport on your own for your project. To get a Cisco IOU license on the GNS3 VM. Paste the following. ('Cisco IOU License Generator - Kal 2011, python port of 2006 C version') import os. Here is a link for Cisco IOU gen for Python 2. Here is a link for Routing Loop. Bookmark the permalink.
#! /usr/bin/python
#print “*********************************************************************”
#print “Cisco IOU License Generator – Kal 2011, python port of 2006 C version”
import os
import socket
import hashlib
import struct
# get the host id and host name to calculate the hostkey
hostid=os.popen(“hostid”).read().strip()
hostname = socket.gethostname()
ioukey=int(hostid,16)
for x in hostname:
ioukey = ioukey + ord(x)
print “hostid=” + hostid +”, hostname=”+ hostname + “, ioukey=” + hex(ioukey)[2:]
# create the license using md5sum
iouPad1=’x4Bx58x21x81x56x7Bx0DxF3x21x43x9Bx7ExACx1DxE6x8A’
iouPad2=’x80′ + 39*’0′
md5input=iouPad1 + iouPad2 + struct.pack(‘!i’, ioukey) + iouPad1
iouLicense=hashlib.md5(md5input).hexdigest()[:16]
print “nAdd the following text to ~/.iourc:”
print “[license]n” + hostname + ” = ” + iouLicense + “;n”
print “You can disable the phone home feature with something like:”
print ” echo ‘127.0.0.127 xml.cisco.com’ >> /etc/hostsn”
Use .ova for GNS3-IOU instead of pre configured VM.
We all may have heard the saying GNS3 is great for practicing routing labs but switching Nah Nah!! Don’t underestimate the power of GNS3. It has a special IOU feature which will let you emulate real Cisco Switch both L2 & L3 in GNS3 without any trouble.
If you want to know what is an IOU? Refer to this excellent article here else follow along…
To configure IOU in GNS3 you will need the following files:
- GNS3 (I used v1.2.3)
- Virtual Box
- GNS3 IOU VM (or .ova file available on GNS3 Official Site)
- L2 IOU image
- L3 IOU image
- License file
For you to access them easily I am making all the “rare files” available for you here : http://bit.ly/IOUGNS3 The t pain effect software, free download.
Let us now go through the step by step process to configure IOU in GNS3:
- Install the GNS3-IOU .ova file in Virtual Box. Make Sure you don’t have any older version of IOU installed in it.
- Start the VM. It may take a few moments to run at the first time.
- After it has started, you will note an IP address shown above the console screen. In my case it was: 192.168.56.101:8000/upload where 192.168.56.101 was the IP of the VM which was the Host-Only adapter of the Virtual Box instance.
- Next open your web browser and go to http://192.168.56.101:8000/upload.
- Select the L2 and L3 IOU image one by one and click on the upload button. The full path will be shown after uploading is completed.
- Now open GNS3. Goto edit->preferences.
- Click IOS on Unix. Under path to IOURC put D:GNS3 IOUIOURC.txt (the location of IOURC.txt file).
- Next, goto GNS3 server->Remote server. Under host type – 192.168.56.101 and port 8000. Click Add. Then click Apply->Ok.
- Change host binding. (Very important)
- Now under IOU devices, Click New->Next->Ok->Give a name(like Switch IOU). Under IOU image paste the location which you have copied from the image upload screen. Select L2 or L3 depending on the type.
- Repeat step 9* for the Router IOU image.
- Now simply drag your IOUs to your working area and create your switching lab.
Now let us test inter-vlan routing in this simple topology.
Sample R1 Config:
Sample SW1 Config:
Cisco Iou Keygen Python 3 Download
Final Testing: