Date: Tue, 24 Mar 1998 22:22:22 -0600 (CST) From: Kyle Mestery <mestery@winternet.com> To: Brian Somers <brian@Awfulhak.org> Cc: freebsd-current@FreeBSD.ORG Subject: Re: Userland ppp problem Message-ID: <Pine.GSO.3.96.980324221905.13189A-100000@tundra.winternet.com> In-Reply-To: <199803250129.BAA22122@awfulhak.org>
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On Wed, 25 Mar 1998, Brian Somers wrote: > Assuming `tcp_extensions=NO' doesn't help in rc.conf, you'll have to > try to narrow down the pattern of characters that are causing the > problem. > Okay, I tried disabling those extensions first (BTW, what are they and what does disabling do exactly?). That did not work, as the file still hung in the same place upon trying to ftp it. > Is TCP retrying to send the data over and over ? > Not sure, but here is some tcpdump output that might be helpful. I do not entirally know what it means, but it looks like the remote site is trying to send the packet still, and my end is not doing anything, and then all of a sudden my end starts to try and receieve it again to no avail: ... 22:11:38.948195 hope.winternet.com.blackjack > 199.181.107.40.ftp: . ack 0 win 17520 (DF) 22:11:38.996462 hope.winternet.com.40007 > 199.181.107.40.ftp-data: . ack 230681 win 17520 (DF) [tos 0x8] 22:11:39.397021 199.181.107.40.ftp-data > hope.winternet.com.40007: . 230681:232141(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:39.596427 hope.winternet.com.40007 > 199.181.107.40.ftp-data: . ack 232141 win 17520 (DF) [tos 0x8] 22:11:39.827005 199.181.107.40.ftp-data > hope.winternet.com.40007: P 232141:233601(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:39.996489 hope.winternet.com.40007 > 199.181.107.40.ftp-data: . ack 233601 win 17520 (DF) [tos 0x8] 22:11:40.697022 199.181.107.40.ftp-data > hope.winternet.com.40007: P 233601:235061(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:41.147094 199.181.107.40.ftp-data > hope.winternet.com.40007: . 235061:236521(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:41.597257 199.181.107.40.ftp-data > hope.winternet.com.40007: P 236521:237981(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:42.027016 199.181.107.40.ftp-data > hope.winternet.com.40007: . 237981:239441(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:42.467012 199.181.107.40.ftp-data > hope.winternet.com.40007: P 239441:240901(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:42.917076 199.181.107.40.ftp-data > hope.winternet.com.40007: . 240901:242361(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:43.337045 199.181.107.40.ftp-data > hope.winternet.com.40007: P 242361:243821(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:43.366811 199.181.107.40.ftp > hope.winternet.com.blackjack: F 0:0(0) ack 1 win 17520 (DF) [tos 0x10] 22:11:43.366925 hope.winternet.com.blackjack > 199.181.107.40.ftp: . ack 0 win 17520 (DF) 22:11:43.797084 199.181.107.40.ftp-data > hope.winternet.com.40007: . 243821:245281(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:44.237098 199.181.107.40.ftp-data > hope.winternet.com.40007: P 245281:246741(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:44.667111 199.181.107.40.ftp-data > hope.winternet.com.40007: . 246741:248201(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:45.097128 199.181.107.40.ftp-data > hope.winternet.com.40007: P 248201:249661(1460) ack 1 win 17520 (DF) [tos 0x8] 22:11:45.106724 199.181.107.40.ftp > hope.winternet.com.blackjack: F 0:0(0) ack 1 win 17520 (DF) [tos 0x10] 22:11:45.106844 hope.winternet.com.blackjack > 199.181.107.40.ftp: . ack 0 win 17520 (DF) 22:11:45.306772 199.181.107.40.ftp > hope.winternet.com.blackjack: F 0:0(0) ack 1 win 17520 (DF) [tos 0x10] 22:11:45.306871 hope.winternet.com.blackjack > 199.181.107.40.ftp: . ack 0 win 17520 (DF) This is a weird problem, and is quite annoying also. I dont know what could be causing it at this point. I hope someone can interpret the tcpdump output and maybe discover a clue in that. -- Kyle Mestery StorageTek's Network Systems Group "Keep honking, I'm reloading." "Lottery: A tax on people who are bad at math." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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