Hi, We have a problem with fragmentation in map while running the following test:
1. Create an IPv4 packet that won't fit into MTU (but is smaller than 2*MTU). 2. Send it through interface that will do automatic fragmentation - this produces two fragments - one that fits exactly MTU and another that is smaller. 3. VPP seems to receive both and is expected to encapsulate them into IPv6 then forward further. However what we see forwarded is only a smaller packet (encapsulated properly, though). What I suspect is that the larger fragment gets encapsulated too, but it does not fit MTU then and gets dropped. This happens regardless of any map fragmentation/reassembly setting. Any Idea how I could debug it further? Any logs? Maybe we still need to configure something more - not on map level? Best Regards, Jacek Siuda.
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