[Bug 292319] [network: fibs] traffic comes from the wrong fib in some cases.

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 10 Mar 2026 15:25:46 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292319

--- Comment #3 from Pouria Mousavizadeh Tehrani <pouria@freebsd.org> ---
(In reply to William Brown from comment #2)

Thank you for the explaination.

I think you're right.

I've been trying to reproduce your situation but I can't.
everytime I try, it doesn't forward traffic internally and it behaves normally.

Please answer the questions below to help me reproduce:
1. sysctl output of your:
1.1. net.inet.ip.forwarding
1.2. net.inet.icmp.drop_redirect

2. what is your openvpn configuration?
2.1. is it client or server?
2.2. any `dev` interface specified?
2.3. what is your `topology` configuration? subnet? p2p?
2.4. on ifconfig -v tun5, what is your driver name? openvpn? tun?

3. netstat -rn4 output of both fibs after before and after receiving redirect:
3.1. netstat -rn4F1
3.2. netstat -rn4F5

For netstat, I'm looking for related routes AND routes with D flag.

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