ODIN FroDo Software Upgrade

FroDo Comware Upgrade We would like to announce a staged upgrade of the version of Comware running on our HPE 5510 FroDos. This blog entry aims to answer the majority of questions that this work will raise. Please, however,  feel … Continue reading

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FroDo IOS upgrade

I’d like to announce a staged upgrade of IOS on all FroDos. This blog post aims to answer some of the questions this work will raise. Feel free to contact the Networks team with any questions at networks@it.ox.ac.uk. Why? We currently … Continue reading

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Migrations

In December and January we’ve completed some service migrations, we’ve been auditing some services and some new staff members have joined our team, which makes this a good time to clarify what it means to have a migration completed. Although … Continue reading

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Chris Cooper (pod)

Chris Cooper (nicknamed ‘pod’, with deliberate lower case) joined our team in the past year on secondment from the Systems Development team where his main work for the department had been (such as on the site wide Single Sign On … Continue reading

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NTP service changes Nov 2012

Over the next month we’ll be doing some work to consolidate our NTP stratum 2 and 3 services into what will hopefully (subject to antenna installation) be a four system stratum 1 service. All historical IP addresses and DNS names … Continue reading

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ASA 5505 Transparent Mode DHCP and Memory fun

We have a customer who uses a Cisco ASA 5505 in transparent mode to protect a small LAN. They did the right thing and took out SmartNet cover, but the reseller botched something and the TAC wouldn’t play with them … Continue reading

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VPN NAT Changes

What is this post about? We are planning to make a minor change to the way our VPNs NAT clients. For those who are interested, this blog post explains why and how we are doing this. Please note that these … Continue reading

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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

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OUCS Backbone Network Naming and Numbering Conventions

Introduction This blog post is intended to help ITSS in Oxford to better understand how the centrally provided network fits together with their own local networks. It is also hoped it will assist them in assessing the impact of any … Continue reading

Posted in Backbone Network, Cisco Networks, Documentation, General Maintenance | 1 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

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