In my previous post in april I figured out how to upgrade the software step by step. In the mean time I found out it’s possible to do this in once. You need to setup first some tools before you can start. Have a TFTP and a FTP Server TFTP server needs to contain the…

Read More Cisco ASA – SourceFire 5506-X | direct upgrade to latest build

Lately I’m busy to configure Cisco IOS routers in combination with Remote offices where we place Meraki Appliances (like the MX64, MX65 or the Z1) When we do this we create also a VPN connection (site to site). In this setup the Main office has a Cisco IOS router. Configuration of the Main Office. (Cisco…

Read More Cisco | Cisco IOS router to Meraki Appliance | site-to-site VPN with Zone based Firewalling

Recently a customer had to replace a disk in the ReadyData 5200. How ever the disk came online but wasn’t available for rebuilding of the raid array. I needed to contact L3 support for further help. The fix they supplied was easier than I thought, I followed the commands which the engineer used. You need to…

Read More Netgear – Rebuild raid-set of a ReadyData 5200

Updating Global address list warning messages. I was running the following command Update-GlobalAddressList – identity “Default Global Address List” when I received the following warning messages. “WARNING: The Recipient “<domainname>/Microsoft Exchange System objects/OAB version 2″ is invalid and couldn’t be updated.” This warning occurs in my situation way after the migration of exchange 2007 to exchange…

Read More Microsoft | Exchange 2013 update Global Address List Warning messages