Cannot change MTU after update to version RHEL 6.8 on Hyper-V
Issue
- Cannot change MTU after update to version RHEL 6.8 on Hyper-V
- After update RHEL from version 6.7 (
kernel-2.6.32.573) to version 6.8 (kernel-2.6.32.642) we can't change MTU for specific network interface:
ip link set eth0 mtu 1380
RTNETLINK answers: Invalid argument
ifconfig eth0 mtu 1380 up
SIOCSIFMTU: Invalid argument
Environment
- Red Hat Enterprise Linux 6.8 (
kernel-2.6.32.642) - Microsoft Hyper-V Virtualization
- Paravirtualized network interface using
netvscdriver
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