02-18-2012 04:11 AM - edited 03-04-2019 03:19 PM
hi experts
our domain is multihomed to two different service providers.we r using a real AS along with a public class C Address,how can i know the traffic path coming from the internet which ISPs chose to enter our domain,i wanna see it from the router and from Internet prospective
is there any site on the internet let y see the traffic path how is it entered the domain
thanks
02-18-2012 09:19 AM
if both ISPs publish the as in their bop advertisements, then traffic will come from both.
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02-18-2012 09:31 AM
Traffic will normally come via whichever path has the least number of AS's between the source and your destination AS (unless the source routers has modified BGP to do traffic engineering for whatever reason).
To see how your AS is being advertised on the Internet you can use bgpplay (GUI) or a route-views server (CLI, e.g., "telnet route-views.oregon-ix.net" login as rviews and then "sh ip bgp regexp
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