Date: Sun, 24 Aug 2025 01:15:48 +0000 From: R Tyler Croy <rtyler@brokenco.de> To: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Intermittent failure of routing/gateway with ix(4) (x86_64) Message-ID: <6HcKz3OxJSnjZdoCr4I0mksk9RemKJflHVgnkYI8-FydM4mDDldzTm8qthQ0iJCftaETOVeQFde4fz5i1703B8Gd2ZBvPmBwF_MMnhuJ8VM=@brokenco.de>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------dbf05e601922b82fd8bb7a7b980a4b32d82ab8836ac09b4c77ac71a70562da50 Content-Type: multipart/mixed;boundary=---------------------0fd6363661b49d6f800f3474cb41b2cf -----------------------0fd6363661b49d6f800f3474cb41b2cf Content-Transfer-Encoding: quoted-printable Content-Type: text/plain;charset=utf-8 Howdy! I am hoping y'all could help me add more debugging to a FreeBSD 14.= x based router/gateway. The device has two ix(4) NICs for the WAN/LAN. Per= iodically the device stops routing traffic entirely, but the machine is st= ill online and interactive. What is particularly interesting is when I console into the machine I can = still send traffic out from the device over the WAN interface, but anythin= g that relies on the gateway seems to fail. I.e. routing to any host on th= e LAN interface (ix1) no longer works. `service routing restart` does nothing, `service netif restart` also does = nothing. Downing the ix1 interface and bringing it back up does nothing. A reboot however does puts it back into working order. = On one instance the console had a lot of arpresolve "cannot allocate llinf= o" errors, chasing that rabbit led nowhere. Because this freezing behavior is intermittent but _does_ seem to correlat= e with higher network utilization, I'm wondering if there are debugging lo= gs I can enable, or a way to inspect driver specific counters that could b= e overflowing, etc? I'm open to any recommendations that prevent me from setting up a cron eve= ry minute to validate connectivity or reboot the box! :) Cheers -----------------------0fd6363661b49d6f800f3474cb41b2cf-- --------dbf05e601922b82fd8bb7a7b980a4b32d82ab8836ac09b4c77ac71a70562da50 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: ProtonMail wsG5BAEBCgBtBYJoqme0CZDqliUJ0zoEdUUUAAAAAAAcACBzYWx0QG5vdGF0 aW9ucy5vcGVucGdwanMub3JngYHR6mVexth8YJ4KH0UeZdCIlEEG8MpBTwwY O2HQGIsWIQR7rUKRWE2z4+Kwj8/qliUJ0zoEdQAATuAQAJr9PvPP7EkBvC/c fXTkN6GcrDcLREKX/2CnHNgOFB45vl28aSws5CT07dN9tjR7gpdy1EbkGfW/ cBUb7qOZIes9RDAPQbVjs0ig6xZ8Xyd6JEtycVa6d1Toj1cGs3x4rQu2bpfB IC1q+Ft7aW0yBnA2B+VS7u2K5PK6gl9f6XlfyG20rPS9Lzj5o6ecoAhGQmER pNMYyqmT7VxsoETqCklaLd2AI75v0W4r9knzhXEhev9AJESw+bnZTEMkGP8J MZM8cIJN5QJvBoiXgAFgyQKeqkz3NRsqdk5uI3EsiiqrHlOmUebPaL0F7H6V 8rMugi4HFPYGp5tmYmealTvRT+Z3vxXCR6hkNPmFLTSvv4VddI6qQ22OzOm+ heR5kBYP7RN2tY2UUTiC6YvM/BCG2Bw0wPSlrOzHb7dAl2AvlZRzJy+xffuA Df2jPIGKLXlxc72TSTaDD9ohI9iB7hffJkZrmPCKib4u6bcI63gu+fL9/gWA SRZ0oaXLsuO9zmBt+atJ9NxflVSyBo9mTgUys3trfFy+11ad/oji5KITKo2m xx1D+f7u3BdOOQ6MSZCfMWhkTGgBz+BCUYXtna5Ff+qHXNdD/NkDb+JamwMV QGRxYaObYOI9WRAt7/6PhK1wvRCY6AJth0Ag38kswrzjoDLRVT6z+u0C4njI +aMq5VEN =4yCy -----END PGP SIGNATURE----- --------dbf05e601922b82fd8bb7a7b980a4b32d82ab8836ac09b4c77ac71a70562da50--
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