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Posts in 2014

  • AS4761 April 2 2014 Prefix Origination Event

    Thursday, April 03, 2014 in BGP

    Yesterday afternoon, starting at 2:05PM local time, I received several notices about our prefixes being hijacked – announced by an ASN other than our own. The particular ASN that was advertising the prefixes in question was AS4761, Indosat, an …

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Posts in 2013

  • Highly-Available, Redundant Internet Through BGP

    Monday, September 23, 2013 in BGP

    The Issue There are several methods to utilize multiple internet connections and fail over in the event of a failure. This blog post will deal most specifically with BGP after laying out the basic methods. Manual switch over. Pros Does not cost …

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  • BGP 101: Failover by Splitting Advertisements

    Friday, August 09, 2013 in BGP

    BGP is an awesome tool. There is many ways to accomplish the same result, all with their own pros and cons. One of those things is inbound redundancy. Remembering that with BGP you don’t have direct control, but only influence over your inbound …

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  • Building an OpenBSD BGP Looking Glass

    Sunday, January 27, 2013 in BGP

    One of the really handy things that has been included in OpenBSD for quite some while, is a handy shell, and CGI BGP looking glass. Rather than copy and paste someone elses blog, I’ll just link the handy guide I followed. This guide is …

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