[Bug 199979] eth0 enter into promiscuous mode whitout being report by ifconfig or "ip link show"

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Summary: eth0 enter into promiscuous mode whitout being report by ifconfig or "ip link show"


https://bugzilla.redhat.com/show_bug.cgi?id=199979





------- Additional Comments From dedourek at unb.ca  2008-04-04 13:06 EST -------
I can confirm as well that the problem exists, as described by the original
poster, in an Fedora 8 installation current as of today.  See comment #12 and
comment #10.

Also, visit the links in comment #8 for a likely explanation of the
problem and a possible explanation of what needs to be changed to
change the behaviour of ifconfig.

As confirmation fo the hypothesis in comment #8 I note that if the "promiscuous
mode" flag is changed by "ifconfig eth0 promisc" and "ifconfig eth0 -promisc"
then "ifconfig eth0" properaly shows the PROMISC flag or not.  However, if
the programmatic setting of promiscuous mode is changed by applications 
such as tcpdump and/or arpwatch, then ifconfig does not show the PROMISC
indication, as described in the original bug posting.

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