Blackholing is typically used to fight massive DDoS attacks which congest the physical connection between SwissIX and a customer router. A detailed description of how Blackholing works at SwissIX is available here. Besides signalling a blackhole via direct peering, you can signal blackholes via the route servers at SwissIX. Blackholing…Read More
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Action BGP Communities can be used to control various functions of the route server. With these communities, you can: Please note that if the <PEER-AS> is a four byte AS number you have to use BGP Large Communities. Control of prefix redistribution Redistribution can be controlled with BGP Communities and…Read More
Route Origin The route server will tag all prefixes with certain BGP Communities to indicate their origin. You can use this information to determine where a certain prefix has been injected into the SwissIX switching platform. Currently we tag the following information: This means that every prefix you will learn…Read More
SwissIX operates so-called route server systems (see RFC7947 for a detailed description) to facilitate the exchange of BGP announcements between peers at SwissIX. Each peer needs only to set up a BGP connection to the route server in order to receive the BGP announcements of all other peers having a…Read More