Re: What's going on with AS147028?

2022-07-12 Thread Mike Leber via NANOG
This kind of thing is a problem from time to time with the data we get from route collectors. When we see it we have to add the culprit ASN to a filter list we keep in bgp.he.net. It tends to be a repeat problem with some collectors and some ASNs. We haven't really figured out why people

Re: What's going on with AS147028?

2022-07-12 Thread August Yang via NANOG
Indeed the network feeds some of the major route collectors. One known cause is LL-IX which operates in a topology that partially transits routes from physical exchanges to its participants and strips their ASN in path. > Possibility to peer with a large number

What's going on with AS147028?

2022-07-12 Thread Eric Dugas via NANOG
A friend of mine mentioned that both our Canadian ASNs were listed in AS147028's peer list on https://bgp.he.net/AS147028 but we have no adjacency to this network. Their peer count jumped from 1 in May 2022 to 1,800 and just a few days ago jumped to 8,800. Beside NL-IX, all the IX they are listed

Re: Assumptions about network designs...

2022-07-12 Thread Andrey Kostin
This is actually not the case. Cable service in some regional areas was restored as late as on Monday and even in the same geographical area there was a partial connectivity, so it looks less probable that network could be overloaded only in some isolated segments longer than the rest of the