Author Archives: George Ross

Informatics Network “Requirements”

As input to a review which Information Services are conducting into EdLAN, the network which ties the University together, I have written a document which describes the Informatics network and the various “requirements” that guide its design and management. Please … Continue reading

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IPv6 update

IPv6 update… Since my previous post announcing the start of the IPv6 investigation project, good progress has been made: IPv6 support has been tested on the variety of network switches that we run.  As expected, it’s generally good on our … Continue reading

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IPv6

IPv6 was standardised around 15 years ago, primarily as a way to address the anticipated exhaustion of IPv4 address space, and since then we have had a steady trickle of people asking whether they could have one to use on … Continue reading

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Virtual Appleton Tower

As we prepare to decant from Appleton Tower to Forrest Hill and Wilkie Building, I thought it might be useful to describe how we’re networking the buildings and why we’ve done it the way we have. In short, both FH … Continue reading

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Recently-completed network security projects

Last year I wrote about a couple of network security projects which were in their early stages of development.  As the last of these has recently completed, I thought it might be useful to summarise their outcomes. We have had … Continue reading

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OpenVPN changes

As described in my November posting, we’re making some changes to our OpenVPN configuration, partly to support new devices, partly to add capacity, and partly because one of the features we currently use is being phased out. The server-end changes … Continue reading

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Networking in the Forum meeting rooms

When the Forum meeting rooms were set up, we configured the wired network in them to use the “office self-managed DHCP” subnet.  This seemed appropriate at the time, as most users were expected to be Forum occupants.  The ground-floor meeting … Continue reading

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OpenVPN changes

It’s now over ten years since we first set up our OpenVPN service, and things have moved on quite a bit since then.  So far we have managed to maintain compatibility for existing users of the service, but we would … Continue reading

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Forum network stability

Following the changes noted in my recent article, the Forum network appears to have been stable again.  If you’re still experiencing problems, please report them through the support form in the usual way and we’ll look into them. As a … Continue reading

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Recent Forum network instability

You may have noticed some periods of instability with our Forum network recently.  This has proved hard to diagnose as one of the first things to be hit would be the management interfaces to our network switches, so that obtaining … Continue reading

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