Normally no issue, the interwebs is asymmetric as it was pointed out to me. every time ive come across an issue i suspected was related to asymmetry it ended up being something else, like MTU somewhere. We still have split prefixes between providers and some on both. Moving the customer lo a locked one resolves, moving to other resolves, but then it ends up being something unrelated. Assuming both upstream are sufficient for performance
On Tue, Oct 15, 2019 at 12:55 PM Ken Hohhof <af...@kwisp.com> wrote: > I have cases where traffic to some customers comes in via upstream > provider A but the return traffic exits my network via upstream provider B. > > > > What kind of problems if any can this cause? > > > > I have assumed there is no guarantee that upstream and downstream traffic > takes the same path across the Internet, even without being dual homed, so > this should be fine as long as traffic flows both directions, it shouldn’t > matter what path it takes. But I’m having to go out to a customer whose > kid complains he can’t do anything not even websites (but I suspect it > comes down to something gaming related) yet their Internet connection > appears to be 100% from all my tests and I see them streaming Netflix for > hours at a time at 9-10 Mbps. I am hesitant to send a field tech because I > don’t know what to tell him to do. > > > > I’m just inquiring about the asymmetric routing because I’m grasping at > straws for what to look for when I’m on site. > > > > Did I mention I hate the divorced parent situation where the dad gets the > kid X days a week and every other weekend, and all the kid does is play > online games and bitch that the Internet isn’t as good as at the other > parent’s house? But in this case he’s claiming it just flat out doesn’t > work, and the dad doesn’t know anything. > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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