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Wed, 30 Apr 2025 20:21:44 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 286322] IPv6 doesn't work across different FIBs (epair) Date: Wed, 30 Apr 2025 20:21:44 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: paige@paige.bio X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D286322 --- Comment #4 from Paige Thompson --- (In reply to Lexi Winter from comment #2) allfibs was set to 0 and I did just double check:=20 root@FBSDDEV1:/home/admin # sysctl -a | grep "add_addr_allfibs" WARNING: Adding ifaddrs to all fibs has been turned off by default. Consider tuning net.add_addr_allfibs if needed net.add_addr_allfibs: 0 root@FBSDDEV1:/home/admin #=20 root@FBSDDEV1:/home/admin # ifconfig epair128 create epair128a root@FBSDDEV1:/home/admin # ifconfig epair128b fib 128 root@FBSDDEV1:/home/admin # ifconfig epair128b inet6 fcff::b/64=20 root@FBSDDEV1:/home/admin # ifconfig epair128a inet6 fcff::a/64 root@FBSDDEV1:/home/admin # ping6 fcff::b PING(56=3D40+8+8 bytes) fcff::b --> fcff::b ^C --- fcff::b ping statistics --- 3 packets transmitted, 0 packets received, 100.0% packet loss root@FBSDDEV1:/home/admin #=20 root@FBSDDEV1:/home/admin # sysctl net.inet6.ip6.rfc6204w3 net.inet6.ip6.rfc6204w3: 0 BTW I also experienced a kernel panic at one point but I did not catch the stack trace as it was configured to reboot on panic at the time and I was n= ot able to reproduce it but there is definitely something there. --=20 You are receiving this mail because: You are the assignee for the bug.=