Date: Tue, 29 May 2018 12:01:26 +0300 From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: Vitalij Satanivskij <satan@ukr.net>, freebsd-net@freebsd.org Subject: Re: GRE/gif/netgraph tunnel speed on 10Gbit channel Message-ID: <58deda3e-6eda-bade-0461-97014a64182e@yandex.ru> In-Reply-To: <20180529071733.GA18182@hell.ukr.net> References: <20180529071733.GA18182@hell.ukr.net>
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --G3wnvM0QPZuUqwrdYfel3EzlhQ5ZooPYg Content-Type: multipart/mixed; boundary="Er7UO6HeDj15ftTG9exODo99J6QAY7ewu"; protected-headers="v1" From: "Andrey V. Elsukov" <bu7cher@yandex.ru> To: Vitalij Satanivskij <satan@ukr.net>, freebsd-net@freebsd.org Message-ID: <58deda3e-6eda-bade-0461-97014a64182e@yandex.ru> Subject: Re: GRE/gif/netgraph tunnel speed on 10Gbit channel References: <20180529071733.GA18182@hell.ukr.net> In-Reply-To: <20180529071733.GA18182@hell.ukr.net> --Er7UO6HeDj15ftTG9exODo99J6QAY7ewu Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 29.05.2018 10:17, Vitalij Satanivskij wrote: > Version of system - 11.2-BETA2 FreeBSD 11.2-BETA2 #0 r334027 > Also I'm test FreeBSD 11.1-PRERELEASE #6 r320593 >=20 > Kernel GENERIC and CUSTOM (mostly cut off not used drivers from kernel)= =20 >=20 > For testing I'm use iperf on pure 10Gbit chanel easy get 9.8-9.9Gbit's = > For tunnel's even try to check multiply instance of iperf (eg on differ= ent ports) >=20 >=20 > So question are - Is it normal speed for tunnel's.=20 > Which tuning I can try to speed up it.=20 You can try to increase kern.ipc.max_linkhdr up to 60-80 bytes. I think this can increase throughput a bit, since this can reduce the need to allocate extra mbuf when new IP header is encapsulated. --=20 WBR, Andrey V. Elsukov --Er7UO6HeDj15ftTG9exODo99J6QAY7ewu-- --G3wnvM0QPZuUqwrdYfel3EzlhQ5ZooPYg Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEzBAEBCAAdFiEE5lkeG0HaFRbwybwAAcXqBBDIoXoFAlsNFuYACgkQAcXqBBDI oXqZ/gf/XweV1NhYZmA6l694F+zDS1KEeXhbrYyBrznRwCJa4BcornykGujhGC8D feHMArP3GTn7YVS6KMUkvUT5NeigVEj9IDq+KJ6oBQR0m0Sl+ronKZzsIYGfw8Od zuM/2TRjxCtu1EbeRNshZLnI7TQGdvYWAiqp6VMQ28IgU7Glhfqt2J0YfKFoRrUL QFiRgWkV3u8RYrOjHwUgTzlYkOUVX9Kv+k/s8lE6m5hTDJtBaF3hdmeyLOayACOz jaopYIx7sgyGQjL8lPhqgVejhH+OmJg5M2FFJP4zthYioSk85jwhP4uArLpmZ+e0 mPkjmvww+WG1H+uARr/THTEU/vIiqg== =zGs+ -----END PGP SIGNATURE----- --G3wnvM0QPZuUqwrdYfel3EzlhQ5ZooPYg--
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