Re: [Wireshark-users] help in capturing Modbus traffic

2008-03-12 Thread Guy Harris
On Mar 12, 2008, at 3:46 PM, Niko Kozobolidis wrote: > Dear Wireshark-users: > > Our Nicaraguan non-profit development organization is in the process > of trying to determine a operator panel periodic freeze. This > operator panel receives instructions from a controller. The > operating p

Re: [Wireshark-users] help in capturing Modbus traffic

2008-03-12 Thread Jaap Keuter
Hi, Looks like you'll need some passive tapping hardware and dedicated capture hardware to pull this one off. Then that capture tool must write a capture file in one of the many formats Wireshark understands. Then Wireshark needs to understand how to to read this information. the MODBUS part sh

[Wireshark-users] Capturing Modbus traffic on serial connection

2008-03-12 Thread Niko Kozobolidis
Dear Wireshark-users: Our Nicaraguan non-profit development organization is in the process of trying to determine a operator panel periodic freeze. This operator panel receives instructions from a controller. The operating panel and controller automate the operations of a 930 kW small hydr

[Wireshark-users] help in capturing Modbus traffic

2008-03-12 Thread Niko Kozobolidis
Dear Wireshark-users: Our Nicaraguan non-profit development organization is in the process of trying to determine a operator panel periodic freeze. This operator panel receives instructions from a controller. The operating panel and controller automate the operations of a 930 kW small hydr

Re: [Wireshark-users] Using wireshark to process my own capture file

2008-03-12 Thread Jaap Keuter
Hi, Why not go for these: /* Reserved for private use. */ { 147, WTAP_ENCAP_USER0 }, { 148, WTAP_ENCAP_USER1 }, { 149, WTAP_ENCAP_USER2 }, { 150, WTAP_ENCAP_USER3 }, { 151, WTAP_ENCAP_USER4 }, { 1

[Wireshark-users] help in capturing Modbus traffic

2008-03-12 Thread Niko Kozobolidis
Dear Wireshark-users: Our Nicaraguan non-profit development organization is in the process of trying to determine a operator panel periodic freeze. This operator panel receives instructions from a controller. The operating panel and controller automate the operations of a 930 kW small hydr

[Wireshark-users] Using wireshark to process my own capture file

2008-03-12 Thread Gil Berglass
I have software-generated capture files of variable-length packets (my own, experimental, protocol) preceded by standard pcap headers. All of the header fields are correct. I will never have to process live data. There can never be anything unexpected in the file--really! In any case, what I

[Wireshark-users] 0.99.8 Startup Error with GTK1 Interface

2008-03-12 Thread it-support
Hi, Earlier today I installed Wireshark 0.99.8 with the GTK2 user interface. It worked but because I was on a Windows Server 2000 with 256 colour display it was unusable. Re-reading the instructions and finding a post which outlined a similar issue, I found that I need to install the GTK1 user int

Re: [Wireshark-users] end-to-end delay calculation

2008-03-12 Thread Fabiana moreno
so ... it is not reliable if i substract the time i hav in the client minus the time i have in the server to get my end the end delay? On 12/03/2008, Hansang Bae <[EMAIL PROTECTED]> wrote: > > Fabiana moreno wrote: > > Hello there, > > > > I know wireshark is not able to calculate the end-to-end d

Re: [Wireshark-users] Nondeterministic 200 ms delay between sends (5 Frames per Sec)

2008-03-12 Thread Sake Blok
On Fri, Mar 07, 2008 at 02:50:43PM +0100, Kovacs Peter Tamas wrote: > > I thought it might be a network problem, so I've run Wireshark on the > capture machine, and looked at the trace. All I've seen is that packets > are sent in 200 ms intervals. Some packets are sent our rapidly, then > nothi