BGP.guru

BGP.guru

A Nerd blog.

13 Apr 2016

AS395089

Launching AS395089 for Hextet Systems from ARIN assignment to full BGP operations in one day: configuring IPv6 /44 and IPv4 /24 announcements, setting up PeeringDB/BGPmon accounts, creating IRR objects (aut-num, route/route6, AS-HEXTET as-set).
29 Mar 2016

IXP Peering Lan Hijacks

MBIX Peering LAN IP space hijacked via BGP and used for spam: investigating unauthorized BGP announcements of 206.72.208.0/24 through AS-Path 9002 44050 131788, demonstrating why IX peering LAN space should not be globally routable.
19 Feb 2016

BGP and Game Performance

Riot Games engineering blog on optimizing BGP routing for League of Legends: why buying transit from Tier 1 providers doesn't solve all latency problems and how peering at Internet Exchanges is critical for game performance.
12 Feb 2016

Filtering with BGP Communities

Implementing BGP community-based filtering to control route advertisements and prevent route leaks: designing community number ranges for route sources, localpref modifiers, prepending, and selective upstream/peer/customer announcements with example Cisco route-maps.
07 Feb 2016

HTML Email with Nagios

Implementing HTML-formatted Nagios alerts using nagios-html-email: installing via npm, configuring custom notification commands, and replacing mailx with sendmail to properly render HTML email notifications.