Author: René Jorissen
Change ESX host IP address
Monday I had to migrate an existing network. I added more VLAN’s to the network for segmentation and breaking the broadcast domain. I introduced a regular VLAN, a VoIP VLAN and a management VLAN. So far no problem. The customer is using Cisco Catalyst 3750G and Cisco Catalyst 3560 switches with PoE. I configured the … Read More
WebMarshal performance problems
One of our customers is using WebMarshal for HTTP/HTTPS URL filtering and content scanning. The WebMarshall software is installed on two Microsoft ISA 2003 servers. These ISA servers are behind a Cisco Content Switch for load-balancing and redundancy purposes. The problem with the WebMarshal is the PERFORMANCE. Internet browsing with the WebMarshal as proxy just … Read More
www.booches.nl on a Synology DS107+
I wanted to buy a new USB disc for backing up all my files, but I didn’t know what to buy. A storage consultant told me about the Synology products. Together with some colleagues, we started to look at the different products. At the end we narrowed our search to the Synology DS107+. This is … Read More
Blogging colleagues
I am not the only one from Ictivity spamming the Internet with my blog. Their are more Consultants, from different disciplines, who share their knowledge with other people. Let’s have a closer look at them. Yellow Bricks Recently my colleague Duncan Epping already introduced me on his personal blog. Duncan is Virtualization Consultant for Ictivity, … Read More
Port-channel configuration for VMWare
I received some e-mails from people asking for configuration examples for Cisco switch in conjunction with VMWare servers. That is why I post the configuration (I normally use) beneath. This configuration enables a 802.1Q trunk connection between the switch and the VMWare server. This configuration requires the VMWare server to use VLAN tagging. The Port-channel … Read More
Exchange 2007 with ISA 2006
Today I have be working on publishing Microsoft Exchange Outlook WebAccess and Active Sync to the Internet. We had some discussions with some Microsoft Consultants about a secure way to publish Outlook Web Access to the Internet, especially the authentication part of such a solution. Some people are talking about publishing OWA directly to the … Read More