wireshark, viewing Abis communication

[Eric Cathelinaud]

2009/7/15 Harald Welte <laforge at gnumonks.org>

>  On Wed, Jul 15, 2009 at 11:06:48AM +0200, Eric Cathelinaud wrote:
> > 2009/7/10 Harald Welte <laforge at gnumonks.org>
> >
> > > On Fri, Jul 10, 2009 at 12:29:47PM +0200, Eric Cathelinaud wrote:
> > > > Well i still have sometimes this error message. I have it when I
> attach a
> > > > mobile on the network.
> > > > I saw 2 "unknow" packets comes from the Remote Network to the Remote
> User
> > > > during the attach process. Their size are quite small.
> > > > I join in attached file a screen of my results.
> > >
> > > it would help if you can put the pcap file (with at least one good and
> one
> > > 'bad' packet) somewhere online or even send it to the list (if its
> small
> > > and you only select a couple of packets, you can attach it).
> > >
> > > --
> > > - Harald Welte <laforge at gnumonks.org>
> > > http://laforge.gnumonks.org/
> > >
> > >
> ============================================================================
> > > "Privacy in residential applications is a desirable marketing option."
> > >                                                  (ETSI EN 300 175-7 Ch.
> A6)
> > >
> >
> >
> > In the attached file there are 5 malformed packets and 2 unknow packets.
>
> just to make it clear: this pcap was generated using bsc_hack's pcap
> option,
> correct?  it seems like sometimes we write truncated packets to that file.
>
> There is a different method, using mISDN's debug tool (see
> http://www.misdn.org/index.php/Debugtool).  I think if somebody can
> confirm
> this method works, i.e. use mISDNdebugtool to write a 'dumpfile' and then
> open
> that with wireshark, then we can actually remove the pcap code from OpenBSC
> altogether.
>
> Would you mind trying that method and report if you still see
> broken/unknown
> packets?
>
> Thanks!
> --
>  - Harald Welte <laforge at gnumonks.org>
> http://laforge.gnumonks.org/
>
> ============================================================================
> "Privacy in residential applications is a desirable marketing option."
>                                                  (ETSI EN 300 175-7 Ch. A6)
>


 Ok i will try it and tell u ;-)

Thanks

Eric Cathelinaud
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