Hmm,
do you have "Promiscuous mode" enabled in the vswitch ?
Is this an ESXi or Workstation? (or Fusion?)
Virtual switches are not really switches (well, no transparent switches
at least) and may be it is reflecting the tx frame and wireshark sees it
twice.
Sean Bennett @ 17/02/2017 09:34 -0300 dixit:
> Hi Srivats,
>
> The "Frames sent" only increases by 1.
> The VM is run through VMWare and the vNIC adaptor type is E1000E.
> Inside the VM the OS thinks it is a "Intel(R) 82574L Gigabit Network
> Connection".
>
> The Wireshark capture is running on the same Windows 2012VM.
>
> Sean
> >> subnet (
90.90.90.0/24 <
http://90.90.90.0/24> <
http://90.90.90.0/24>).
> >>
> >> If I ping using the Win 2012R2 or another host on the 10.1.1.0
> subnet,
> >> it only shows 1 ICMP request.
> >> As soon as I use Ostinato with the attached ICMP stream, that's
> where I
> >> notice 2 ICMP requests.
> >> The first one says "no response found" in Wireshark,and the second,
> >> which is a couple of milliseconds difference, has an ICMP reply.
> >>
> >> I've googled the issue, and am unable to find anyone with a similar
> >> problem. I can't tell if this is an Ostinato issue,
> >> or if Wireshark is reporting it incorrectly.
> >>
> >> Thank you,
> >> Sean
> >>
> >> On Thu, Feb 9, 2017 at 9:57 AM, Srivats P <
psta...@gmail.com
> <mailto:
psta...@gmail.com>
> >> <mailto:
psta...@gmail.com <mailto:
psta...@gmail.com>>> wrote:
> >>
> >> Sean,
> >>
> >> What platform are you and what interface is this capture on?
> >>
> >> Could you describe your topology a bit more and let us know
> from where
> >> you are sending ICMP echo?
> >>
> >> Save and attach your ICMP stream in Ostinato here, so that I
> can take
> >> a look at it.
> >>
> >> Srivats
> >>
> >> On Thu, Feb 9, 2017 at 1:16 AM, <
seanp....@gmail.com
> <mailto:
seanp....@gmail.com>
> >> <mailto:
seanp....@gmail.com
> >> <mailto:
ostinato%2Bunsu...@googlegroups.com
> <mailto:
ostinato%252Buns...@googlegroups.com>>.
> <mailto:
ostinato%2Bunsu...@googlegroups.com>
> >> <mailto:
ostinato+u...@googlegroups.com
> > Carlos G Mendioroz <
tr...@huapi.ba.ar <mailto:
tr...@huapi.ba.ar>>