Recent Posts

From Bridges to Routes

A common problem amongst growing WISP businesses is rapid growth. Not a problem for the bottom line obviously, but once the owners see what is happening to their network, which is one single layer 2 bridge, they see they now have a problem they hadn’t planned for in advance.   …

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Quality Of Service

Example of QoS Bandwidth Shaping

We have been frequently asked to control a WISPs backhaul from excessive usage by a minority of their clients, which then in turn spoil the experience for the majority. In one case, a provider had a 200Mbps leased line and it was 100% saturated with Bit Torrent and Binary UUNet …

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HowTo: Control privacy addressing for IPv6 in Linux

It seems that some people didn’t like their MAC address being magically used as part of their IPv6 address, and so some bright spark created the concept of privacy addresses – see RFC3041 However sometimes we need to be able to control the behaviour, sometimes we want to enable them …

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