Ethertype Unknown (0x88cc), length 60:



  • Hello,
    I have configurated two pfsense in Bridge mode, replicated in carp setting.
    I have two interface (OPT1 & OPT2) in Bridge mode:

    OPT1(TO_L3)*            -> igb1 -> NONE
    OPT2(TO_L2)*            -> igb2 -> NONE

    All OK, but sometimes, when I try to ping a one address behind pfsense the ping not respond correctly,
    and i see these tcpdump messages:

    0:55:10.025136 00:23:ae:c4:d8:55 > 01:80:c2:00:00:0e, ethertype Unknown (0x88cc), length 60:
    0x0000:  0207 0400 23ae c4d8 5304 0705 312f 302f  ….#...S...1/0/
    0x0010:  3139 0602 0078 0000 0000 0000 0000 0000  19...x..........
    0x0020:  0000 0000 0000 0000 0000 0000 0000      ..............

    If i try to ping same address after 5-10 minutes the ping respond correctly!
    I don't know why...
    These problems occurs on various addresses...


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