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I think someone posted about this same exact issue a few weeks ago. I wouldn't mix VPC peering and transit gateway if you avoid it.
by paleotrope 5y ago
I think someone posted about this same exact issue a few weeks ago.
I wouldn't mix VPC peering and transit gateway if you avoid it.
- nijave 5y agoI guess if you're migrating from VPC peering to Transit Gateways you have to coordinate updating the routing tables in both VPCs at the same time (I'm guessing they probably updated routing tables in one VPC but hadn't updated them in the other yet) unless you adjust MTUs ahead of time. Seems to be a crappy migration path (execute these updates quickly and hopefully you don't drop too many packets before they apply)
- deleted 5y ago[deleted]