On 08.08.23 15:47, basti wrote:
Hello,
I move my network config from if-up to systemd and create a link file as
follows:
root@s920:~# cat /etc/systemd/network/10-enp1s0f1.link
[Match]
MACAddress=00:19:99:b7:e0:99
[Link]
GenericSegmentationOffload=false
GenericReceiveOffload=false
TCPSegmentationOffload=false
root@s920:~#
The file seems to be used:
root@s920:~# networkctl status enp1s0f1
● 3: enp1s0f1
Link File: /etc/systemd/network/10-enp1s0f1.link
Network File: /etc/systemd/network/enp1s0f1.network
State: routable (configured)
Online state: online
Type: ether
Path: pci-0000:01:00.1
Driver: igb
Vendor: Intel Corporation
Model: 82580 Gigabit Network Connection
Hardware Address: 00:19:99:b7:e0:99 (Fujitsu Technology
Solutions GmbH)
MTU: 1500 (min: 68, max: 9216)
QDisc: mq
IPv6 Address Generation Mode: eui64
Number of Queues (Tx/Rx): 8/8
Auto negotiation: yes
Speed: 1Gbps
Duplex: full
Port: tp
Address: 192.168.1.10
fe80::219:99ff:feb7:e099
Activation Policy: up
Required For Online: yes
DHCP6 Client DUID:
DUID-EN/Vendor:0000ab117b7b45fb726da9a50000
Aug 07 21:37:52 s920 systemd-networkd[831]: enp1s0f1: Configuring with
/etc/systemd/network/enp1s0f1.network.
Aug 07 21:37:52 s920 systemd-networkd[831]: enp1s0f1: Link UP
Aug 07 21:37:55 s920 systemd-networkd[831]: enp1s0f1: Gained carrier
Aug 07 21:37:56 s920 systemd-networkd[831]: enp1s0f1: Gained IPv6LL
root@s920:~#
root@s920:~# ethtool -k enp1s0f1 | grep offload
tcp-segmentation-offload: on
generic-segmentation-offload: off
generic-receive-offload: off
large-receive-offload: off [fixed]
rx-vlan-offload: on
tx-vlan-offload: on
l2-fwd-offload: off [fixed]
hw-tc-offload: off [fixed]
esp-hw-offload: off [fixed]
esp-tx-csum-hw-offload: off [fixed]
rx-udp_tunnel-port-offload: off [fixed]
tls-hw-tx-offload: off [fixed]
tls-hw-rx-offload: off [fixed]
macsec-hw-offload: off [fixed]
hsr-tag-ins-offload: off [fixed]
hsr-tag-rm-offload: off [fixed]
hsr-fwd-offload: off [fixed]
hsr-dup-offload: off [fixed]
root@s920:~#
But tcp-segmentation-offload is still on or re-enabled by someone?
any ideas?
systemd is 252.12-1 (debian12)
Best regards
FYI:
Add TCP6SegmentationOffload=false
fix it.
We found this bug
https://github.com/systemd/systemd/issues/6854#issuecomment-353603816
Best Regards,
