Quick example…Continue reading “Cisco Example – Layer 3 Etherchannel”
The network device authenticates you and ISE authorizes you. Just enter your PIN, and you’re in.Continue reading “Cisco ISE Device Administration – Two Factor Authentication (2FA) with Common Access Card (CAC) using SecureCRT”
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.