promiscuity
Paul O'Neill
pvo3366 at oce.orst.edu
Sat Jul 22 16:38:31 AEST 1989
Well, maybe Sun Software Service isn't a black hole. They had this
resolved within 24 hrs. and before a single response from bytecounters or
sun-spots.
> [my questions about interaction of etherfind, statspy, & traffic on the
> promiscuity of ie0]
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1016994: Public Summary:
1016994: The ifpromisc() routine of net/if.c, which handles
1016994: transitions into and out of promiscuous mode by
1016994: keeping track of the number of outstanding requests
1016994: there are for the mode and calling the interface driver
1016994: to change mode on transitions to and from zero
1016994: has a bug that causes it to disable promiscuous
1016994: mode whenever it is called to disable the mode and
1016994: the number of outstanding requests for the mode is
1016994: greater than one.
1016994: The problem occurs only when there are more than one
1016994: concurrent requesters for promiscuous mode for a
1016994: particular interface (i.e. run multiple etherfind's
1016994: on the same interface in parallel, then terminate
1016994: one of the processes).
1016994: Hook 2: Needs investigation in release: 4.0.4, 4.0.4c
//////////////////////////////////////////////////////////////////////
(There's also a (private | -private) switch. What does that do?)
1010751: Public Summary:
1010751: The `IFF_PRIVATE' flag, which can be set by `ifconfig', does not
1010751: actually do anything. By design, this flag should prevent the
1010751: propagation of routing information associated with the interface
1010751: Bug End:
/////////////////////////////////////////////////////////////////////////////
I hope this was informative.
-xxxx xxxxxxxx xxxxxxxxxxxx (Name changed to protect the competent)
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Paul O'Neill pvo at oce.orst.edu
Coastal Imaging Lab
OSU--Oceanography
Corvallis, OR 97331 503-737-3251
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