Juniper ScreenOS : Active/Passive clustering
Introduction In this blog post, I’ll show the easy steps to set up a screenOS based active/passive cluster. I’m not going to discuss the configuration of active/active clusters because, in my opinion, this configuration is only needed in rare circumstances and may introduce some weird behaviour issues. Furthermore, active/passive clusters have been working quite well […]
Free Tool – Exchange 2007 Outbound SMTP gateway redundancy
(a.k.a. PVE Exch2007 Rerouter manual) Keywords : Exchange 2007 outbound SMTP relay redundancy SendConnector outgoing mail high availability Microsoft Exchange 2007 allows you to consolidate your messaging infrastructure and host more users on one server. Combined with the introduction of new server roles, Exchange 2007 allows for high levels of redundancy and resilience, ensuring uptime […]
Bind network interfaces on Linux for redundancy, load balancing and performance
If you have multiple network interfaces in your linux machine (and ideally they have the same speed & duplex), you may want to ‘bind’ the adapters together to increase bandwidth and create some redundancy. Before going into the details on how to set this up under Fedora/Openfiler/other… linux flavors, I’d like to give some info […]