Author Archives: maj1

Phone outage Thursday 28th July

The Computing Service send their apologies for the telephone system outage this morning. A small and fairly routine reconfiguration was made to the West Cambridge routers during this morning’s CUDN vulnerable period, ironically with the ultimate goal of improving network … Continue reading

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Wireless network replacement – phase 1 complete

The initial phase of the replacement wireless network installation is now complete. All of the old access points have been decommissioned, and 24 Aruba access points have been installed. We now intend to assess the coverage before deciding whether to … Continue reading

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Wireless network replacement

On Monday and Tuesday of next week (18th/19th July) the long awaited upgrade of the wireless network in the building will take place. There will be disruption to wireless access as old access points are replaced with new, but I … Continue reading

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Web server changes

Two small changes have been made to the Lab web server that may break some existing web pages, in particular those using other character encodings than UTF-8. The first is intended to improve rendering of Lab pages in Internet Explorer … Continue reading

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Network flood

A traffic flood from a research group machine caused some network performance problems between sometime in the small hours of Thursday 2nd December and about 09:40 when the source was identified and disconnected. Our use of VLANs to separate traffic … Continue reading

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“wgb” wireless network

The “wgb” wireless network is running very slowly at the moment and is congested. The reason for this is that the ADSL connectivity that lies behind it has been capped at 128kbit/s because of excessive usage under Demon’s fair usage … Continue reading

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Network switch failure

A network switch providing connections in the north east corner of the first floor failed shortly after 04:00 this morning (2010-10-21). It is one of two switches in the wiring closet so some machines and telephones in the area would … Continue reading

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Caller ID presentation on Lab phones

The new University phone system has the ability to present “caller id” on external phone calls as the actual DDI number of the phone, rather than the generic university switchboard number. This makes it easier for people to call you … Continue reading

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Wireless network migration plans

This is a status report on the planned upgrade to the wireless network, and a request for testing and feedback on the migration strategy. The original plan was that the new wireless system would offer all of the networks that … Continue reading

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Eduroam

I have received a couple of samples of the new wireless access points that we intend to install over the summer. I have placed one of them so that it should provide some Eduroam coverage to the Street area. The … Continue reading

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