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| Topic | Some people may have trouble reaching Google right now |
| CableZL 11/13/18 10:29:09 AM #13: | Ex-Kefiroth posted... CableZL posted...traffic destined to Google was getting routed through China. It can happen very easily if you don't do route filtering. Global routing, by default, is based on a trust system. One router tells the next router what routes it knows about and the metrics (quality and other things) about those routes. The receiving router examines the advertised routes and decides whether that router's path to a certain destination subnet is the best one it has or not. If it's the best route, then the route is placed in the routing table and any traffic to that destination subnet is sent to that next router. If that next router's route isn't the best, then it keeps it in a secondary routing table just in case the best route goes down. If you have route filtering in place (everyone SHOULD, but not everyone does), then you can set it up so that the router won't allow an unexpected route to be placed in its routing table and thus avoid this kind of problem. --- ... Copied to Clipboard! |
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