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Thread: tcpdump with --enable-ipv6

  1. #1
    Join Date
    Jun 2004
    Location
    Delft, The Netherlands
    Posts
    62

    tcpdump with --enable-ipv6

    I'd like to dump ipv6 packets on the 6over4 tunnel interface. Has anyone successfully compiled tcpdump (e.g. version 3.8.3) with ipv6 enabled? I looked in the wl500g firmware source of oleg (1.9.2.7-5a) how tcpdump and libpcap were compiled, but couldn't find it. Is the executable just put in the root filesystem?

    Libpcap 0.8.3. seems to compile after making a small change in the ./configure script where it checks for linux version.

    Tcpdump configure script probes local ipv6 config instead of that of the cross compiled system.

    Any ideas?

  2. #2
    Join Date
    Dec 2003
    Location
    Russian Federation
    Posts
    8,356
    use ipkg version, the one in the 5a would be removed.

  3. #3
    Join Date
    Jun 2004
    Location
    Delft, The Netherlands
    Posts
    62
    Ipkg version does not support v6 either. Donwloaded it form http://ipkg.nslu2-linux.org/feeds/unslung/wl500g/. See output while doing a ping6:
    Code:
     [admin@asus bin]$ ./tcpdump -i sixtun
    tcpdump: WARNING: sixtun: no IPv4 address assigned
    tcpdump: listening on sixtun
    19:49:13.271622 unknown ip 6
    19:49:13.285552 unknown ip 6
    19:49:14.271611 unknown ip 6
    19:49:14.285591 unknown ip 6

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