I actually thought the application froze but it was really just moving at a glacial pace. It was probably stuck here for 15 full minutes. There’s a single pixel of space between it and the 100% mark but then it just gives up and says “Ha, I was just kidding! I’m going to make you wait even longer” The installer breezed through the first 5/8 ths of the process but then seemed to hang on Running package scripts where it ironically said I had about a minute remaining in the install time.ĭon’t you hate it when that happens? The installer makes you wait until 99%. To run WireShark all I needed to do was download and install XQuartz. There’s a nifty little program called XQuartz that lets Mac users run applications that need the X11 environment. I needed to get this X11 thing.įortunately this turned out to be super easy. WireShark needs the X11 interface to run. Back in the late 90s when I left the dark and austere world of MS-DOS for Windows 95, UNIXphiles where dragging and minimizing windows in a system called X-Windows (or sometimes X11). It’s the graphical user interface (GUI) for UNIX apps. I did some Googling and discovered X11 is the thing that makes UNIX pretty. What the heck is X11 and why didn’t this happen on my PC? I was greeted with a screen asking me where something called X11 was located? The blue dorsal fin icon began to bounce in the Dock as if to say “Look at me! Look at Me!” but then something unexpected happened… I quickly grabbed the DMG, dumped it in my Applications folder (Shift + Command + a) and fired up the app. Wireshark is my favorite on the PC so I went on the hunt for an version available for Mac. Well, GNS3 doesn’t ship with a protocol analyzer so I needed to get my own. Intrigued, I realized that I could capture packets between my virtual devices and analyze the protocols! This really got me going because I knew it would help me understand how the protocols worked and really grasp the fundamentals of TCP/IP networking. So I’m new to this whole thing – but I figured I share what I learned today.Īfter setting up the app, I realized if I right clicked a virtual ethernet cable (the black lines that connect the devices) a pop-up would sprout telling me that I could start a capture. I’ve used GNS3 on my Windows 8.1 machine but never on my Mac. It’s free and can keep you entertained for hours. So you can test and break things without any worries. It doesn’t interfere with your production network. And the entire network environment is insular. It’s great because you can setup complete networks, Windows 2012 Active Directory domain controllers, web servers or really any network topology your incandescent mind can dream up. GNS3 is a hardware emulation package (or as recondite geeks like to say “hypervisor”) that lets you setup and connect virtual appliances like Cisco routers and switches. If you open it directly, it shows the splash screen, just like the screen you saw if you open it by double-clicking on a file, it'll open the file and show you the three panes.The other day I was playing with network simulator called GNS3. ![]() That's not what it was written to do - not on OS X, not on Windows, and not on with X11 (or Wayland or Mir). ![]() I think when I open this app, it should has different UI. The splash screen (which is what your screenshot shows) and the three-pane list are both part of the UI, whether it's in the 1.12 release (which, on OS X, uses X11) or the 2.0 release (which, on OS X, uses Qt directly atop Quartz with no X11 - this is not a "native" vs. If you double-click on a capture file, it should open that file and show you the three capture panes. If you double-click on Wireshark, it will not show the three capture file panes, because there's no capture file to show! That's been the case for several releases now, since before the 2.0 release - the 1.12 release does the same thing. I mean when I open the Wireshark, the layout supposed to display three pane(Packet List, Packet Details &Packet Bytes)
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