CVSROOT:        /cvs
Module name:    src
Changes by:     d...@cvs.openbsd.org    2018/02/08 17:06:51

Modified files:
        usr.sbin/tcpdump: print-gre.c 

Log message:
it turns out the wccp header is optional

peek inside the payload to see if the first nibble looks like ipv4.
if it isnt ipv4 assume it is the wccp header.

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