ASA 5505 Determine Your License Version
Nov17

ASA 5505 Determine Your License Version

KB ID 0000701 Problem If you are having problems with internal clients NOT getting through the firewall, the license on your ASA 5505 may be ‘to small’. ASA 5505 License Differences Essentially the licenses come in 10 user, 50 user, and unlimited*. You can also have a Security Plus License, this increases IPSEC VPN’s from 10 to 25, and adds Active/Standby failover, Dual ISP Support, and DMZ Support. *Note: These...

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Cisco ASA 5500 Active/Standby – Zero Downtime Upgrade
Nov17

Cisco ASA 5500 Active/Standby – Zero Downtime Upgrade

KB ID 0000733 Problem You have two ASA firewalls deployed in Active/Standby failover configuration, and need to upgrade either the operating system or the ASDM. As you already have a high availability solution you do not want any downtime. Before we start, we need to make sure we know the difference between primary, secondary, active and standby. From the rear (Active=Green, Standby=Amber) The Primary and Secondary firewalls are...

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Boot Cisco ASA From TFTP (Upgrade from ROMMON)
Nov17

Boot Cisco ASA From TFTP (Upgrade from ROMMON)

KB ID 0000792 Problem If your firewall wont boot, either because the OS is corrupt, or you have a faulty flash memory. You can get up and running by booting the device from a TFTP server instead. Solution Before you start make sure you have your TFTP server running and the operating system in its root folder. Install and Use a TFTP Server 1. Power on the firewall, during the boot phase press ESC to boot to ROMMOM mode. 2. The...

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ASA 5585-X Update the CX SSP Module
Nov17

ASA 5585-X Update the CX SSP Module

KB ID 0001005  Problem Every piece of documentation I found on upgrading CX SSP modules was for doing so on models other than the ASA5585-X. The (current) latest CLI guide says; “For the ASA 5585-X hardware module, you must install or upgrade your image from within the ASA CX module. See the ASA CX module documentation for more information.” Yeah good luck finding that! Solution Before I saw the information above I tried...

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ASA Upgrading and Imaging a Hardware CX Module
Nov17

ASA Upgrading and Imaging a Hardware CX Module

KB ID 0001025 Problem Last time I had to do one of these the process was very straight forward, one command and the ASA got its new image from FTP, extracted it, and then installed it. I had a CX module fail last week, and Cisco shipped me out a replacement. After installing it and running the setup, I needed to upgrade it (it will be managed by PRSM). It was running version 9.0.2 (probably been on the shelf a while!). And every time...

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