Date: Thu, 16 Nov 2000 09:09:08 Singapore From: Tan Wei Chong <p9710598@mmu.edu.my> To: freebsd-questions@FreeBSD.org Subject: tcpdump newbie Message-ID: <200011160109.JAA00803@venus.cyber.mmu.edu.my>
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hello, I try to capture 2 HTTP/1.1 sessions between two freebsd-4.1.1 RELEASE host using tcpdump. The communication is running IPv4 packets tunneled under IPv6 packet and vice versa. The tunneling is done using gifconfig on gif0 and gif1. Should I: 1. tcpdump -w outputfile host <IPv4 address> and <IPv4 address> 2. tcpdump -w outputfile src port <httpd> 3. tcpdump -w outputfile -i gif0 (this one doesn't seems to work) 4. tcpdump -w outputfile -i fxp0 Which are the things i should capture on, the hosts, the port 80, the gif0 tunnel interface or fxp0 ether interface? My aim is just to capture the performance between 6to4 and 4to6 2 host. Btw, the 2 host is assume to be isolated from the rest, and link-local meaning the communication between them is without third node joining. Thank you. Wei Chong This message was sent using MMU Webmail (Cyberjaya) - http://webmail.mmu.edu.my To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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