At approx 4:55pm UK local time, we experienced a loss of our LINX (London) connectivity. This is provided by a “Connexions” partner, and we suspect an issues lies somewhere within their network. A brief period of instability would have occurred whilst BGP reconverged automatically to our failover paths. No further… Continue reading
At approx 6:45am this morning, our monitoring triggered reports of instability for connectivity via our LINX connection (London Internet Exchange) in London. As this link was not saturated in any way, we took the decision to shutdown the link to cause all traffic to re-route via alternative paths. This connection… Continue reading
At 1:43pm, our monitoring identified a link failure on our metro ethernet ring between Bolton and Manchester. As designed, our ring reconverged via backup links and no outage was experienced – however the ring now has reduced resilience. We have raised a fault with Virgin Media to investigate the cause… Continue reading
As detailed to our affected community web-hosting customers previously, today we have retired PHP 5.6 from our community web-hosts (www10, www11, www15) and replaced them with PHP 7.2 (which is supported until 30th November 2020) This is due to the retirement of security support for PHP 5.6 by the vendor… Continue reading
At approx. 8:15pm this evening, our alerting saw a flap of our protected fibre link between Manchester and London (provided as an MPLS pseudowire) which affected connectivity between LDeX2 and LDeX1 datacentres. This link is used solely for our connectivity to LINX LON1 and LINX LON2 peering networks, and caused… Continue reading
We are carrying out some emergency maintenance on the mailserver mail6.netnorth.co.uk. This may lead to some periods of inaccessibility for either mail or webmail connections to this service. Other mailservers are not affected. This maintenance is expected to take no longer than a few hours total – although any inaccessibility… Continue reading
At approx 18:43 this evening, we started to receive monitoring alerts to high levels of packet loss to some internet destinations. After diagnostics, we discovered that these destinations were all via one of our IP Transit suppliers (GTT) – we have shutdown our IP Transit feed to cause re-routing via… Continue reading
We have received notification today that VirginMedia have scheduled planned maintenance for 7th September from 00:01 to 06:01 with an expected actual outage time of 90 minutes. This is required for them to upgrade processor modules in their network node in Manchester “due to obsolescence”. This will affect our metro… Continue reading
At approx 10:35pm this evening, one of our core Cisco routers unexpectedly rebooted. This was due to an IOS-XE crash. The router automatically restarted, and BGP sessions will re-establish. Some network instability would have occurred during this restart due to the unclean nature of the reboot. We will investigate… Continue reading
As mentioned in an earlier post, we have been upgrading our network capacity (both internally and externally). We have now expanded our two main external connectivity (“Transit”) provider links to 10Gbit/s each. We have also recently agreed to join an additional Internet Exchange in Manchester (more info will follow once… Continue reading