Why does the Neutron documentation recommend three interfaces?
The documentation for configuring Neutron recommends that a network controller has three physical interfaces:
Before you start, set up a machine to be a dedicated network node. Dedicated network nodes should have the following NICs: the management NIC (called MGMT_INTERFACE), the data NIC (called DATA_INTERFACE), and the external NIC (called …
Waiting for networking using PowerShell
I've recently been exploring the world of Windows scripting, and I ran into a small problem: I was running a script at system startup, and the script was running before the network interface (which was using DHCP) was configured.
There are a number of common solutions proposed to this problem …read more
Chasing OpenStack idle connection timeouts
The original problem
In order to gather some data on the problem, I ran the following simple test:
Rate limiting made simple
Linux UPnP Gateway
Like many other folks out there, I have several computers in my house connected to the outside world via a Linux box acting as a NAT gateway. I often want to use application such as BitTorrent and Freenet, which require that a number of ports be forwarded from my external …read more