tcpdump mailing list archives

Re: promisc mode with pcap


From: Chris Reining <creining () packetfu org>
Date: Fri, 5 Mar 2004 19:10:25 -0600

<snip>
      the newer versions use PF_PACKET sockets, on 2.2 and later
      kernels, and with those, there's a better way of turning
      promiscuous mode on and off, but it sets a flag that ifconfig
      *doesn't* show.

However, the iproute2 tool suite by Alexey Kuznetsov and installed on
many linux distros *will* show promisc mode when ifconfig does not. Try
this:

# ip link show <interface>

Chris
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