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...
Cisco CSC – Upgrade the Operating System
KB ID 0000807 Problem Upgrading the operating system on the CSC module is pretty straight forward, as long as you have a valid support agreement for your hardware and a CCO account you can download the updates straight from Cisco (here). Solution WARNING: It’s rare that you can update straight to the latest version, by all means try, and the CSC module will simply error if it will not accept the version you are trying to update...
Cisco ASA5500 Update System and ASDM (From ASDM)
Do the same from command line KB ID 0000073 Problem Below is a walkthrough for upgrading the OS image and ASDM using the ASDM, this method does not require access to a TFTP server. Warning: Before upgrading/updating the ASA to version 8.3 (or Higher) Check to see if you have the correct amount of RAM in the firewall (“show version” command will tell you). This is VERY IMPORTANT if your ASA was shipped before February 2010....
Update Cisco ASA – Directly from Cisco (via ASDM)
KB ID 0000636 Problem Warning: Before upgrading/updating the ASA to version 8.3 (or Higher) Check to see if you have the correct amount of RAM in the firewall (“show version” command will tell you). This is VERYIMPORTANT if your ASA was shipped before February 2010. See the link below for more information. ASA – Memory Error (Post upgrade to version 8.3) Warning 2: Be aware, if you are upgrading to an OS of...
Cisco ASA to Juniper SRX Site to Site VPN
KB ID 0000710 Problem You want to establish a site to site VPN from a site with a Cisco ASA firewall, to another site running a Juniper SRX firewall. I had to do this this week, and struggled to find any good information to help. In the example below I’m configuring the whole thing from a laptop (172.16.254.206) that’s on the Juniper’s site. Use the diagram below, and substitute your own IP addresses and subnet...