This was from about a year ago, when we were transitioning internet connections. We had two default gateways and obviously traffic can only go out one/come in one. This was for one of our web servers. The solution is to tag packets: echo "10 special" >> /etc/iproute2/

Converter 5.0 is slow, and doesn't work with ESXi 5.1 yet, so don't try it! Converter 5.1 is due for release in November I believe. For slow transfers with ESXi 5.0.1 or below, see the following text. SSL is the issue, VMware have switched it