Troubleshooting Phase 1 Cisco Site to Site (L2L) VPN Tunnels
KB ID 0000216 Problem Site to Site VPN’s either work faultlessly straight away, or involve head scratching and a call to Cisco TAC, or someone like me to come and take a look. If I’m honest, the simplest and best answer to the problem is “Remove the Tunnel from both ends and put it back again”. Just about every VPN tunnel I’ve put in that did not work, was a result of my fat fingers putting in the wrong...
Cisco Firewalls ‘My Prompt has changed / Disappeared’
KB ID 0000226 Problem Whilst messing around with my home firewall, I noticed that it no longer displayed the hostname on the command prompt,I checked Telnet and SSH, the results were the same. Solution Option 1 from Command Line I’d managed to change the default setting for “prompt” 1. Log into the Firewall > go to “enable” mode then “Configure Terminal” mode. prompt ? 2. To change it back...
Troubleshooting Phase 2 Cisco Site to Site (L2L) VPN Tunnels
KB ID 0000625 Problem It’s been over two years since I wrote Troubleshooting Phase 1 Cisco Site to Site (L2L) VPN Tunnels. I’ve always meant to come back and write the ‘Phase 2’ article but never got around to it. This article is NOT intended to be a ‘fix all” for phase 2 problems, it’s designed to point you in the right direction to locate the source of the problem. Solution Here’s my...
Installing Cisco ASDM Fails with ‘Java Runtime Environment is not installed’, ASDM on windows 8
KB ID 0000673 Problem While moving to Windows 8, I had a problem installing the Cisco ASDM software. Cisco ASDM-IDM Launcher Information Java Runtime Environment is not installed on this machine. Please install Java Runtime Environment from http://java.sun.com/javase/downloads/ Solution I was sure I HAD installed Java, I headed here to make sure. It turns out that the ASDM needs the 32 bit version of Java AS WELL. Download and...
Find out your Cisco ASA version (Operating system and ASDM)
KB ID 0000690 Problem With all the command changes that have come in in the past few versions, it seems when I get asked ‘how do you do xyz?” my first question is ‘What is the OS version on your ASA?’ So next time I get a blank look, I can just point them here. Also see: ASA 5505 Determine Your License Version Solution Get your ASA version and ASDM version from the ASDM. 1. Connect to the ASA via ASDM. 2. Home...