Send, clear, ignore and spoof ARP. Know how to truly disable the processing of gratuitous ARP in a Cisco router.Continue reading “Cisco – Gratuitous ARP: Disabling / Blocking / Ignoring / Spoofing”
Get rid of that nasty invalid cert.Continue reading “Cisco Prime Infrastructure – CA Signed Certificate Import”
Super easy out-of-band access to all your lab devices!
Generates a .doc of commands to paste into devices. pulls IP and hostname from csv and structures the commands in a way you can copy/pasta.
Quick and dirty – FOR LAB USE ONLY (GNS3 or EVE-NG)
Used for testing on: csr1000v-universalk9-15.4-3S
Microsoft Windows has a feature that detects IP conflicts. A Cisco switch can effectively turn that feature into a DoS attack on your DHCP server. That’s pretty neat.
Here’s a solid baseconfig.txt to have your devices start with.
Most explanations I’ve found are spotty. Here it is all summed up.
Start to Finish Setup of Cisco ACS (version 5.5 was used). Including n00b-status group and MAC Auth Bypass (MAB). Active Directory look-up will be added later. 😉
Requires “commands.txt” and “hosts.txt”