[GH-ISSUE #4135] Title : 1000ft How to Container-A > Container-B(netbird) >>>> Container-C(netbird) > Container-D #8550

New Issue

saavagebueno · 2026-08-05T01:18:31-04:00

saavagebueno commented

2026-08-05 01:18:31 -04:00

Originally created by @ks-nss on GitHub (Jul 10, 2025).
Original GitHub issue: https://github.com/netbirdio/netbird/issues/4135

We have the following setup....

2 Servers (On Different Clouds)
Server-1 has Container-A & B
Server-2 has Container-C & D
A+B containers are attached the a docker network and C+D containers are on a docker network, this subnet is 192.168.110.0/24
A HTTP Server runs in Container D and has the IP 192.168.110.4

Netbird runs in both Containers B + C on servers 1/2, and they can ping each other

How do I get Container-A to connect to Container-D ?
I want to be able to run "curl http://192.168.110.4" on Container-A and for it to be able to connect to the a http server on Container-D

I know if I add a network/route for the Subnet 192.168.110.0/24 and set the netbird instance on Container-C as the "peer" I can do the following.
From Container-B(netbird) I can curl and can connect to the http service on Container-D
So I am 3/4 of the way there... I just can't figure out how I get routing from Container-A to B to work...

Not sure if this is a netbird issue or a container issue, but if anyone has any advice / pointers then that would be really helpful.

Thanks

Originally created by @ks-nss on GitHub (Jul 10, 2025). Original GitHub issue: https://github.com/netbirdio/netbird/issues/4135 We have the following setup.... 2 Servers (On Different Clouds) Server-1 has Container-A & B Server-2 has Container-C & D A+B containers are attached the a docker network and C+D containers are on a docker network, this subnet is 192.168.110.0/24 A HTTP Server runs in Container D and has the IP 192.168.110.4 Netbird runs in both Containers B + C on servers 1/2, and they can ping each other How do I get Container-A to connect to Container-D ? I want to be able to run "curl http://192.168.110.4" on Container-A and for it to be able to connect to the a http server on Container-D I know if I add a network/route for the Subnet 192.168.110.0/24 and set the netbird instance on Container-C as the "peer" I can do the following. From Container-B(netbird) I can curl and can connect to the http service on Container-D So I am 3/4 of the way there... I just can't figure out how I get routing from Container-A to B to work... Not sure if this is a netbird issue or a container issue, but if anyone has any advice / pointers then that would be really helpful. Thanks

saavagebueno added the question networking labels 2026-08-05 01:18:31 -04:00

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Reference: DYNR/netbird#8550