Cisco ASA NAT examples with software version 8.4

I know that they take LSD (yes Lysergic acid diethylamide) at Cisco like Kevin Herbert but can they consume less? Every release of a new 8.x software version of the Cisco ASA has new NAT statements and logic. This week I replaced an old Cisco PIX 6.x with a new Cisco ASA 8.4(4)1 (asa844-1-k8.bin) and … Read more

Cisco VPN Client not working at Windows 8 RTM

Last week I installed Windows 8 RTM x64 on my notebook. Everything worked fine except Cisco VPN Client. I always get the message “Reason 442: Failed to enable Virtual Adapter”: So i tried several things. Reinstall, Configuring fixed IP address, restart several times the service and then realized that the search of the adapter runs … Read more

Updating HP ProCurve Switches

Finally back from USA I will deliver you a new tutorial to update your ProCurve switches. In most cases you will need to do an update on the software because your new installed GBIC modules are not recognized. Don’t ever install directly to the newest version because most updates need a new Boot ROM, so … Read more

New York New York

Tomorrow I’m flying to New York, later to Miami! I will be back in three weeks! NetworkGuy out! 😉 /edit NY is nice 😀

Router on a stick

Today I will show you how to build a so called “Router-on-a-stick” environment. In this example we have one Cisco router, one HP ProCurve switch and three subnets: First we configure inspection firewall profiles, so when someone requests packets from the internet, packets can come back through our inbound WAN interface access-list ip inspect name … Read more

Copy IOS image to a Cisco router from ROMmon

If you accidentally erased your flash or have a Cisco router with an empty flash, you can upload an IOS image from ROMmon to recover the device to a functional router. Connect your router via console-cable to a PC and use PuTTY to connect to your device. I use TFTPD32 from Philippe Jounin. When starting … Read more