From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hangbin Liu Subject: [PATCHv2 net-next 4/4] ipvs: Document sysctl pmtu_disc Date: Mon, 20 Feb 2017 16:31:38 +0800 Message-ID: <1487579498-18967-5-git-send-email-liuhangbin@gmail.com> References: <1487313241-11361-1-git-send-email-liuhangbin@gmail.com> <1487579498-18967-1-git-send-email-liuhangbin@gmail.com> Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Oz+8e0tSC6UjJmwfxFjnH78bvYCfomg6/V199kyu7tA=; b=RKSNXnnud0EtfW7dR3rZXnPRi8tRuCE8zthYIpWdNxpjlgwVrKbBsVnhSLHmgRQOtR cWKCLWAw+Vownay/OxcUthO410cnp88D2/wqyxEKgtk9y0Qpedoiiqmk/kIIFbCeJ8y6 LKI9ZEu+WjqNPaKaoAVGf6dJFRbL4sk3JKyFkRuSpLtbUmduX7uo8ZBxpAGtzq761+rh 9RhzpkLIZ1xFsT8mr7bgss/Lef1G0XCUU7Au3hUg1qd60EcVkTptrevRsDxld1iavPJl lQiMQKun15M3JelL/wDGwbk86ankIKVMiXslbQ0F18NhJxvg4SOJfrO8ZFWmS2KOvLna yIYw== In-Reply-To: <1487579498-18967-1-git-send-email-liuhangbin@gmail.com> Sender: lvs-devel-owner@vger.kernel.org List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: lvs-devel@vger.kernel.org Cc: netdev@vger.kernel.org, Marcelo Ricardo Leitner , Julian Anastasov , Hangbin Liu Document sysctl pmtu_disc based on commit 3654e61137db ("ipvs: add pmtu_disc option to disable IP DF for TUN packets"). Signed-off-by: Hangbin Liu --- Documentation/networking/ipvs-sysctl.txt | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/networking/ipvs-sysctl.txt b/Documentation/networking/ipvs-sysctl.txt index a6feecd..0568986 100644 --- a/Documentation/networking/ipvs-sysctl.txt +++ b/Documentation/networking/ipvs-sysctl.txt @@ -175,6 +175,14 @@ nat_icmp_send - BOOLEAN for VS/NAT when the load balancer receives packets from real servers but the connection entries don't exist. +pmtu_disc - BOOLEAN + 0 - disabled + not 0 - enabled (default) + + By default, reject with FRAG_NEEDED all DF packets that exceed + the PMTU, irrespective of the forwarding method. For TUN method + the flag can be disabled to fragment such packets. + secure_tcp - INTEGER 0 - disabled (default) -- 2.5.5