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Regression #16638
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PPPoE on vtnet NIC fails to pass routed traffic
Start date:
Due date:
% Done:
0%
Estimated time:
Plus Target Version:
26.03
Release Notes:
Default
Affected Version:
Affected Architecture:
amd64
Description
In some virtual setups traffic from internal hosts may fail to pass when the WAN is PPPoE on a vtnet NIC in 25.11.
This is a regression since 25.07.1.
Hitting this requires a combination of virtual host version and setup that has yet to be determined.
This is fixed in 26.03 development snapshots but it's unclear exactly what fixed it. There have been a number of commits to both vtnet and the tcp stack that may be applicable.
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Updated by Steve Wheeler 16 days ago
- Status changed from Confirmed to Feedback
To workaround this issue either use a different virtual NIC type (em, vmx) or disable hardware off-loading on the physical NIC in the hypervisor.
For example:
ethtool -K enp1s0 rx off tx off tso off gso off gro off
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