From owner-freebsd-questions@FreeBSD.ORG Sat Mar 27 00:31:40 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8EC58106566B for ; Sat, 27 Mar 2010 00:31:40 +0000 (UTC) (envelope-from cswiger@mac.com) Received: from asmtpout025.mac.com (asmtpout025.mac.com [17.148.16.100]) by mx1.freebsd.org (Postfix) with ESMTP id 7AFC78FC12 for ; Sat, 27 Mar 2010 00:31:40 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; charset=us-ascii Received: from [17.151.77.194] by asmtp025.mac.com (Sun Java(tm) System Messaging Server 6.3-8.01 (built Dec 16 2008; 32bit)) with ESMTPSA id <0KZX00LM004RUF10@asmtp025.mac.com> for freebsd-questions@freebsd.org; Fri, 26 Mar 2010 17:31:40 -0700 (PDT) X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 ipscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx engine=5.0.0-0908210000 definitions=main-1003260210 From: Chuck Swiger In-reply-to: <20100326162738.E48194@cloud.ccsf.cc.ca.us> Date: Fri, 26 Mar 2010 17:31:38 -0700 Message-id: References: <20100326162738.E48194@cloud.ccsf.cc.ca.us> To: "Joe R. Jah" X-Mailer: Apple Mail (2.1078) Cc: freebsd-questions@freebsd.org Subject: Re: OT: Keystrokes stick every ~1500 strokes X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 27 Mar 2010 00:31:40 -0000 On Mar 26, 2010, at 5:18 PM, Joe R. Jah wrote: > Since last Monday my ssh connections started working erraticly. Today I > tested it by holding down a key until it stops printing, and made several > itterations; it turns out that ~1500 key strokes print on the screen; then > it stops responding for several seconds; then it spits out ~25 missed > keystrokes. Sounds like a path MTU problem; perhaps something thinks it should be doing Jumbo frames and can't, or perhaps VLAN tagging or something else is being used.... ping -s 1480 hostname and similar can be helpful. Regards, -- -Chuck