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| From: | Mitani Hiroshi |
| Subject: | [lwip-users] CHARGEN/TCP freezes |
| Date: | Fri, 08 Jul 2005 16:07:50 +0900 |
| User-agent: | Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.6b) Gecko/20031205 Thunderbird/0.4 |
Hi I am trying to run 'chargen.c'. But it always freezes in a while. It seems that TCP stops sending packet with two ACKs which have same ack number. Here is the last part of dump list by tcpdump. 192.168.1.2 : lwip 192.168.1.3 : PC/FreeBSD 192.168.1.2.chargen > 192.168.1.2.1028: P 62621:62683(62) ack 1 win 2048 (DF) 192.168.1.2.chargen > 192.168.1.2.1028: P 62683:63807(124) ack 1 win 2048 (DF) 192.168.1.2.1028 > 192.168.1.2.chargen: . ack 62807 win 57034 (DF) [tos:0x10] 192.168.1.2.1028 > 192.168.1.2.chargen: . ack 62807 win 57344 (DF) [tos:0x10] 192.168.1.2.chargen > 192.168.1.2.1028: P 62807:62869(62) ack 1 win 2048 (DF) 192.168.1.2.chargen > 192.168.1.2.1028: P 62869:62993(124) ack 1 win 2048 (DF) 192.168.1.2.1028 > 192.168.1.2.chargen: . ack 62993 win 57220 (DF) [tos:0x10] Does anybody have a hint for me? -- mitani
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