Building the new eduroam networking infrastructure

As many of you around the university are likely to be aware of by now, this month we migrated to a new backend infrastructure to support the eduroam service across the city. This blog post has been written to give … Continue reading

Posted in Cisco Networks, eduroam, Wireless | Leave a comment

Disabling 802.11b

We have been pondering the idea of disabling 802.11b for some time. Research into the subject has proved that it will be feasible. What’s the difference? 802.11b was the first standard of wireless networking conceived by IEEE in 1999. It’s … Continue reading

Posted in Wireless | 4 Comments

Eduroam capping

There has been a lot of discussion recently about capping eduroam on ITSS-D. I’d like to take the opportunity to present the state of the centrally managed wireless network, but also to provide some rationale behind this decision, which was … Continue reading

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Eduroam connectivity issues on Android 2.3.*

Since reports from users are on the increase, this blog post describes briefly the issue with eduroam connectivity on Android devices. Please be aware of it and inform your users, should they ask for advice. The problem is affecting some … Continue reading

Posted in Wireless | 9 Comments

How to generate graphs with gnuplot

Introduction During the JANET Carrrier Ethernet Trial we we took part in, I needed to plot some data based on our testing and came across gnuplot. It is actually quite simple to use and we’re doing so more and more … Continue reading

Posted in Documentation, Productivity, Trend Analysis, Wireless | 1 Comment

Maintenance Work On Eduroam

Just a slightly uneventful blog post aimed at our IT staff in colleges, departments and other units to let you know about some of the grittier routine work on Eduroam. This is a warts and all account of real life … Continue reading

Posted in General Maintenance, Wireless | Leave a comment

BBC iPlayer and the University VPN

[edit] Since writing this an iPlayer developer has passed on via informal channels that they’re using the Quova geolocation service. In this database part of our VPN address range was designated an ‘international proxy’ – while this may be regarded … Continue reading

Posted in General Maintenance, VPN, Wireless | Leave a comment

Visitor Network Account Management (enhancements update)

Note: this post relates to a private service for University of Oxford IT Support Staff. Some time back I published a list of proposed updates to the Visitor Network account management web tool, and asked for feedback. Based on that … Continue reading

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OWL and Eduroam

There seems to be a little confusion out there about how OWL relates to Eduroam so this is a overview to help clarify the situation. We have deployed Eduroam using WPA enterprise. Briefly from the users perspective this means that … Continue reading

Posted in Services, Wireless | Leave a comment

Visitor Network account lifetime

Several comments on my recent post about updates to the Visitor Network Account Management tool requested an increase of the maximum account lifetime. Whilst this is more of a policy change than a feature update to the tool, and hence … Continue reading

Posted in Documentation, Services, Wireless | Leave a comment