Date: Wed, 04 Mar 2026 10:07:26 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 292319] [network: fibs] traffic comes from the wrong fib in some cases. Message-ID: <bug-292319-227-C8AcgOLWbY@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-292319-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292319 Pouria Mousavizadeh Tehrani <pouria@freebsd.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |Closed CC| |pouria@freebsd.org Resolution|--- |Works As Intended --- Comment #1 from Pouria Mousavizadeh Tehrani <pouria@freebsd.org> --- Hi Willian, Thank you for your report. IMHO, this is expected behaviour. You upstream router (172.24.17.1) is not aware that you're using a separate FIB. As defined in RFC792: The gateway sends a redirect message to a host ... the host identified by the internet source address of the datagram are on the same network, a redirect message is sent to the host. Therefore, your host receives an ICMP redirect message indicating that your host is on the same link as the router. FreeBSD will create a dynamic route with an expiration time in its routing table (FIB 1 in your case) and directly forward traffic as expected. As you have already found out, you can avoid this scenario by setting icmp_drop_redirect="YES". Please reopen this issue if that is not the case. -- You are receiving this mail because: You are the assignee for the bug.home | help
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