You need to understand the source of the traffic and those network polices , all the pre-pending will do nothing if it avoids cogent . You might have to look to advertising more or less specific prefixes to get the desired result I don’t think this is Asia specific issue On Wed, Mar 9, 2022 at 5:33 AM Edvinas Kairys <edvinas.em...@gmail.com> wrote:
> Hello, > > We've introduced Cogent network in Equinix Honk Kong DC. But seems via > that link we're just receiving just only 5% of our traffic, other part of > incoming traffic is received via our other ISPs like NTT, Simcentrc, and > Equinix IXP. > I know it's very naïve to expect the traffic load balance equally between > 3 ISPs (4 if IXP is counted) using just one /24 subnet. According to most > of BGP looking glasses in Asia, traffic via Cogent is least preferred even > when i've added 6x prepend AS on our other mentioned providers to make > route via Cogent more attractive. But nothing helps - seems main providers > in Asia made routes via Cogent least preferable by lowering the local > preference to it, that why prepending from our side doesn't help. > > Maybe someone has experience or similar problems with ISPs in Asia network > ? > > >
