This is most probably a WinPcap issue, and not a Wireshark one.
Which version of WinPcap are you using?
When you encounter the issue, can you please report a bug as explained here:
http://www.winpcap.org/bugs.htm
Have a nice day
GV
--------------------------------------------------
From: "M K" <gedropi@xxxxxxxxx>
Sent: Sunday, May 23, 2010 9:22 AM
To: "Community support list for Wireshark" <wireshark-users@xxxxxxxxxxxxx>
Subject: [Wireshark-users] Vanishing interface
Currently I am using this low-end machine (Windows 2000 OEM, dial up)
for passive monitoring to debug application, firewall, security and
LAN issues via the generic adaptor & the WAN (PPP/SLIP) interfaces
working in tandem. This has worked very well. Or, at least, until
yesterday.
Yesterday, somehow I lost the WAN (PPP/SLIP) interface. Without that
interface, there was no capturing - unless one performs the
installation of the virtual loopback adapter.
Here is what I did. When the WAN interface vanished yesterday, I
attempted to restart the box and then log on with WS. No Wan
interface. Today I booted up and again started up WS. Today both
interfaces were back.
Here's my question: Why did I loose the interface in the first place?
Since this interface originates from the WAN (for which I have no
visibility) could this be a DCHP lease issue or an ACL issue or ?
Many thanks.
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