Hello, Chris Heinze, le mar. 03 sept. 2019 17:02:15 +0200, a ecrit: > on the guest: > root@guest:~# tcpdump -ni eth0 port 19003 > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on eth0, link-type EN10MB (Ethernet), capture size 262144 bytes > 16:49:39.430959 IP 10.0.2.2.33294 > 10.0.2.15.19003: UDP, bad length 9000 > > 1472
Just to be sure: did you configure your guest mru to 9000 ? Does the emulated network hardware card support jumbo frames? Samuel