26th November 2007, 04:51 PM
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#2 (permalink)
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Join Date: Oct 2002 Location: London, UK
Posts: 8,127
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There was a massive traffic flood on the LINX peering exchange earlier
today, which triggered an issue in our (and several other ISPs using Juniper routers on LINX) routers. Layer 2 connectivity was fine, causing our routing protocols to assume the router was up, however no layer 3 traffic was passed, causing packet loss to some destinations on the Internet.
We have resolved this for the moment by removing this router from service entirely and will be troubleshooting this with JTAC (the Juniper Technical Assistance Center).
Please note that we did not experience a full outage - to most destinations and monitoring systems our network was online, however people connecting via LINX (e.g. most UK based DSL/cable users) would've experienced significant packet loss for a short while.
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__________________ . Matt
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