Hi, Ime trying to get our company to start using docker and as the main IP for our production server is being used (its managed via virtualmin) I got us a second IP for docker stuff and am trying to work out how to get docker containers to use it. A lot of googling has kind of helped but I think th…

It is not possible to assign a host ip to container. Though, for plain docker containers you can bind published ports to a host ip, if you use the port mapping like this -p host_ip:host_port:container_port, the same syntax can be used with docker-compose. For swarm service containers the option doe…

Please try the forum search with the keywords “mavclan” and “ipvlan” and check if this is what you want. . I am not going to give any advice on those aproaches, as I believe they are unnecessary - I ran dozens of swarm environment in production and NEVER had to use either one of both. Published por…

Thanks, did a search on mavclan and got one hit, this thread. Anyway think I found a solution iptables -t nat -I POSTROUTING -p all -s 172.17.0.0/16 -j SNAT --to-source 5.6.7.8 Does this seem sensible. As you say mavclan/ipvlan are unnecessary maybe the above is a good solution?

[image] funkytwig: , did a search on mavclan and got one hit, this thread :blush: my bad, it should have been macvlan and not mavclan. Someone else need to respond to the iptables rule. Never needed to modify for docker in the past 5 years.

Using secondery IP for docker

General

funkytwig May 3, 2020, 12:16pm 3

Ime not trying to assign it to a container, ime trying to get the whole of docker, or a docker network, to not use the primary IP. I have got a second IP for the server and I want ot use it for docker.

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Using secondery IP for docker

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