I am using netctl in Arch Linux on Hyper-V. I have two ethernet interfaces eth0 & eth1.
IP config:
- eth0: dhcp (automatic configuration, no involvment of netctl)
- eth1: static ip (10.10.10.1/8) using netctl profile
- dhcpcd installed and enabled at startup
- NetworkManager installed and enabled at startup
eth1 netctl profile (/etc/netctl/sth1static):
Description='Static IP config for eth1'
Interface=eth1
Connection=ethernet
IP=static
Address=('10.10.10.1/8')
Gateway='10.10.10.2'
DNS=('10.10.10.2')
To start the interface I am doing as follows:
netctl stop eth1static
ip link set eth1 down
netctl start eth1static
netctl enable eth1static
After following the above steps, I am able to see the static IP configuration applied to the interface using ip a. Also I am able to ping the guest interface from my host OS successfully. However after a minute or so, I see the interface lose its configuration and get a fe80: based IPv6 address only and the ping stops working… Even after reboot, I don’t see the IP configurtion on the interface, where as the other interface (eth0) is working fine.
Could anyone suggest what’s going wrong and how to fix it?
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Author: Anirban