From owner-freebsd-bugs Wed Sep 9 03:50:04 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id DAA21017 for freebsd-bugs-outgoing; Wed, 9 Sep 1998 03:50:04 -0700 (PDT) (envelope-from owner-freebsd-bugs@FreeBSD.ORG) Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id DAA20986 for ; Wed, 9 Sep 1998 03:50:02 -0700 (PDT) (envelope-from gnats@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.8.8/8.8.5) id DAA18165; Wed, 9 Sep 1998 03:50:01 -0700 (PDT) Received: from geiger.tele.dk (geiger.tele.dk [193.162.159.203]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id DAA20039 for ; Wed, 9 Sep 1998 03:42:21 -0700 (PDT) (envelope-from hjj@geiger.tele.dk) Received: (from root@localhost) by geiger.tele.dk (8.8.8/8.8.8) id MAA02023; Wed, 9 Sep 1998 12:42:12 +0200 (CEST) (envelope-from hjj) Message-Id: <199809091042.MAA02023@geiger.tele.dk> Date: Wed, 9 Sep 1998 12:42:12 +0200 (CEST) From: Hans J Jakobsen Reply-To: hjj@datacom.dk400.dk To: FreeBSD-gnats-submit@FreeBSD.ORG X-Send-Pr-Version: 3.2 Subject: bin/7870: PPP connection dies after ping of certain size packets Sender: owner-freebsd-bugs@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org >Number: 7870 >Category: bin >Synopsis: PPP connection dies after ping of certain size packets >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Sep 9 03:50:00 PDT 1998 >Last-Modified: >Originator: Hans J Jakobsen >Organization: TeleDanmark Net >Release: FreeBSD 2.2.7-RELEASE i386 >Environment: The machine is connected to the internet through a dialup ppp connection. >Description: PPP is started. ping with packet size 1500 is OK. ping with packet size 1350 is OK. ping with packet size 1472 or 1400 is NOT OK. After a unsuccesful ping the connection is dead. Closing and opening ppp gets connection back. The symptoms are not there when the connetion to the Internet is via Ethernet. >How-To-Repeat: /usr/sbin/ppp -background arcpop Working in background mode Using interface: tun0 PPP enabled. $ /sbin/ping -c 5 -s 1350 www.ibm.com PING www.ibm.com (204.146.18.33): 1350 data bytes 1358 bytes from 204.146.18.33: icmp_seq=0 ttl=242 time=851.656 ms 1358 bytes from 204.146.18.33: icmp_seq=1 ttl=242 time=840.556 ms 1358 bytes from 204.146.18.33: icmp_seq=2 ttl=242 time=840.600 ms 1358 bytes from 204.146.18.33: icmp_seq=3 ttl=242 time=840.643 ms 1358 bytes from 204.146.18.33: icmp_seq=4 ttl=242 time=840.358 ms --- www.ibm.com ping statistics --- 5 packets transmitted, 5 packets received, 0% packet loss round-trip min/avg/max/stddev = 840.358/842.763/851.656/4.448 ms $ /sbin/ping -c 5 -s 1400 www.ibm.com PING www.ibm.com (204.146.18.33): 1400 data bytes --- www.ibm.com ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss $ /sbin/ping -c 5 -s 1350 www.ibm.com PING www.ibm.com (204.146.18.33): 1350 data bytes --- www.ibm.com ping statistics --- 5 packets transmitted, 0 packets received, 100% packet loss $ >Fix: >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message