1. Upstream has not accepted a patch from redhat to strip the priority tags [1]
2. RHEL (and consequently centos) are patching ipxe directly [2], [3].
Based on this, I think this patch could potentially be ported into ipxe in Ubuntu, however, I think there should be some investigation into the network as to why packets are not stripped on egress.
I did some digging, and it seems that:
1. Upstream has not accepted a patch from redhat to strip the priority tags [1]
2. RHEL (and consequently centos) are patching ipxe directly [2], [3].
Based on this, I think this patch could potentially be ported into ipxe in Ubuntu, however, I think there should be some investigation into the network as to why packets are not stripped on egress.
[1]: http:// lists.ipxe. org/pipermail/ ipxe-devel/ 2016-July/ 005099. html /git.centos. org/blob/ rpms!ipxe. git/c7/ SPECS!ipxe. spec /git.centos. org/blob/ rpms!ipxe. git/c7/ SOURCES! 0009-Strip- 802.1Q- VLAN-0- priority- tags.patch
[2]: https:/
[3]: https:/