Network Outage Virgin Media Wholesale Ethernet 23/01/17
Posted by Alessandro Rizzo on 23 January 2017 09:57 AM

Node4 have received early information that Virgin Media may have a core network issue affecting multiple services. We don’t yet know if this issue is localised to one geographic area, particular service(s) or network wide. We are waiting further information.

In the meantime if you experience an issue please log a support ticket in the usual way.

Further updates to follow.

10:40 – Virgin Media have informed us they have re-routed traffic around the affected node. We have seen the packet loss subside. More updates to follow when the issue is fully resolved.

13:47 – We have received all clear from Virgin Media that this issue is now resolved.

On behalf of the provider we apologies for the inconvenience cause by this.


Node4 Technical Support

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00:50 – Node4 and Virgin Media Engineers are on site.

01:00 – Maintenance commencing more updates to follow.

01:13 – Maintenance complete. All services resumed as normal.


Node4 Network Management Systems have alerted to an exception with Virgin Media Ethernet services that terminate into Node4’s network.

As a result, Node4 engineers have been working closely with Virgin Media on the issue. Virgin Media have advised they will perform emergency maintenance to resolve this issue in a controlled manner, to prevent unpredictable failure.

A number of network customers utilising Virgin Media Ethernet services through Node4 will experience a brief impact to service for up to 20 minutes.



At Risk – Tuesday 20th December 01:00 – 01:30 GMT

Downtime will be experienced by directly connected customers for up to 20 minutes.

Updates will be posted to N4Status during this planned maintenance.


Our network operations engineers will closely monitor the work and will do everything possible to minimise any inconvenience to you. If you have any problems with your connection after this time, or if you have any questions regarding the maintenance at any point, please call Technical Support at 0845 123 2229 or visit

While it is important for Node4 to perform maintenance such as this to ensure the quality of our network, we do everything possible to minimise any inconvenience to our customers. We appreciate your patience and welcome any feedback.


Node4 Technical Support

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NHT SDN Platform Issue
Posted by Chris Jowett on 17 December 2016 10:44 AM

Our monitoring systems have alerted us to an issue with the NHT SDN platform. We are currently doing root cause analysis and will update ASAP.

We apologies for an inconvenience


10.39: Leaf node crashed and rebooted

10:52: vPC systems coming back online

We are still performing root cause analysis and any service outage reports will be issued Monday morning

11:05: All systems are now back online

If your still having issues please contact the node4 support team


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*RESOLVED* N4Cloud Network Issue
Posted by Ben Ward on 08 December 2016 02:13 PM

We have forced a fail over of part of the management stack onto secondary nodes which has started to force machines to update and come back online in the management stack.

We anticipate all machines to be back online momentarily.
We will continue to monitor and investigate and issues root cause analysis as soon as possible.

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N4Cloud Network Issue
Posted by Ben Ward on 08 December 2016 02:05 PM

Multiple customers have reported VM’s showing as offline in our Northampton Cloud.

We are investigating and observing that machines that are rebooting, being powered off or are migrating between hosts, are losing connectivity back to the stack management.

We have disabled all automatic migration procedures while this issue is being resolved – we are advising customers at this time not to reboot any active VM’s
Next update at 14.30



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DSL Network Instabilities 29/11/16 09:05-09:12 & 13:33-13:40 GMT
Posted by Chris Pagel on 29 November 2016 09:24 AM

At 09:05 one of the two Broadband Remote Access Servers, which provides connectivity for DSL services, experienced a partial software failure. It recovered very shortly afterwards however during the failure state connectivity for some DSL customers may have been impacted.

A second occurrence of this issue has been identified (13:33-13:40). Engineers are continuing to investigate the cause.


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