Wireshark-users: Re: [Wireshark-users] Vanishing interface
From: M K <gedropi@xxxxxxxxx>
Date: Mon, 24 May 2010 09:12:23 -0700
One other thing, sometimes the name of the interface appears as \Device\NPF_{
and usually appears as WAN (PPP/SLIP).  Not sure if that is significant.

On 5/24/10, M K <gedropi@xxxxxxxxx> wrote:
> I am using 4.2.  Yes, it has happened again but this time I was able
> to get it back without waiting until the next day.  Thanks
>
> On 5/24/10, Gianluca Varenni <gianluca.varenni@xxxxxxxxxxxx> wrote:
>> 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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>>
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>