4 ms·

For NAT (Network Address Translation) or any other packet header modifications, you need to recalculate checksums manually Why doesn’t checksum offload in the

For NAT (Network Address Translation) or any other packet header modifications, you need to recalculate checksums manually Why doesn’t checksum offload in the NIC take care of that?

jcalvinowens 1y ago
And I'm confused how they have to correct the TCP checksum but not the IPv4 header checksum...
- shivanshvij 1y ago
  Oh no we absolutely have to also correct the IPv4 header checksum!