Hi all,
I have a machine where I have only a routeable IPv6 address and I wonder that docker does 2024 not support IPv6 only networks. Also this machine has a internal private IPv4 network on an extra card. So the network part of my compose.yaml looks like this:
networks:
v_netip6:
#enable_ipv4: false
enable_ipv6: true
driver: ipvlan
driver_opts:
parent: enX0
ipam:
config:
-
subnet: 2001:db8::/64
gateway: 2001:db8::1
v_netip4:
enable_ipv6: false
driver: ipvlan
driver_opts:
parent: enX1
ipam:
config:
-
subnet: 192.168.3.0/24
gateway: 192.168.3.55
in the service part I set the IP addresses:
networks:
v_netip6:
ipv6_address: 2001:db8::3
v_netip4:
ipv4_address: 192.168.3.103
Now I have a problem on the docker container. Because I can not switch off IPv4 on the first network, docker sets his own IPv4 network and the default gateway is set to e.g.
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 172.22.0.1 0.0.0.0 UG 0 0 0 eth0
How can I tell docker to use the gateway from the second card as default?
In the end it should looks like:
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.3.55 0.0.0.0 UG 0 0 0 eth1