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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Cisco – Error opening tftp://255.255.255.255/cisconet.cfg
Nov17

Cisco – Error opening tftp://255.255.255.255/cisconet.cfg

KB ID 0001099  Problem A friend was rolling out some PC’s for a client and wanted me to give him a network with the same subnet etc so he could build everything on the bench. I grabbed a router and set it up for DHCP, and to NAT all traffic for him, but annoyingly it kept doing this; %Error opening tftp://255.255.255.255/cisconet.cfg (timed out) %SYS-4-CONFIG_RESOLVE_FAILIURE: System config parse from...

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