Add return forward rule for network routes #191

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saavagebueno · 2025-11-20T05:07:44-05:00

saavagebueno commented

2025-11-20 05:07:44 -05:00

Originally created by @mlsmaycon on GitHub (Sep 26, 2022).

Originally assigned to: @mlsmaycon on GitHub.

In some cases, the default FORWARD rule will be set to DROP, making return traffic to be dropped and communication to fail.

We can create a new forwarding rule for the return traffic e.g:

iptables -A NETBIRD-RT-FWD -s 100.64.0.0/16 -d 172.16.1.0/24 -m comment --comment netbird-fwd-out-ttt -j 
iptables -A NETBIRD-RT-FWD -s 172.16.1.0/24 -d 100.64.0.0/16 -m comment --comment netbird-fwd-in-ttt -j

Originally created by @mlsmaycon on GitHub (Sep 26, 2022). Originally assigned to: @mlsmaycon on GitHub. In some cases, the default FORWARD rule will be set to DROP, making return traffic to be dropped and communication to fail. We can create a new forwarding rule for the return traffic e.g: ```shell iptables -A NETBIRD-RT-FWD -s 100.64.0.0/16 -d 172.16.1.0/24 -m comment --comment netbird-fwd-out-ttt -j iptables -A NETBIRD-RT-FWD -s 172.16.1.0/24 -d 100.64.0.0/16 -m comment --comment netbird-fwd-in-ttt -j ```

saavagebueno closed this issue

2025-11-20 05:07:44 -05:00

saavagebueno referenced this issue

2025-11-20 07:11:49 -05:00

[PR #191] [MERGED] Change Management Sync protocol to support incremental (serial) network changes #2598

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Reference: SVI/netbird#191