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    Watchguard Firebox M400/M500

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    • stephenw10S Offline
      stephenw10 Netgate Administrator
      last edited by

      See the pinout below that picture here: https://en.wikipedia.org/wiki/VGA_connector

      You only need actually need 6 connections like:
      Screenshot from 2025-11-12 04-27-56.png

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      • J Offline
        jriofrio @stephenw10
        last edited by

        @stephenw10 ...... Beautiful :) thank you. How they said, a picture is worth a thousand words.
        A last inquiry if I may.... How you manage the keyboard/mouse input?
        I'm very appreciative for your help.
        Best regards.

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        • stephenw10S Offline
          stephenw10 Netgate Administrator
          last edited by

          Use a USB keyboard. But you still shouldn't need to use it at all. The serial console is sufficient.

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          • G Offline
            gilphilbert @stephenw10
            last edited by

            As @stephenw10 said, there's no need for the VGA cable. You can watch the BIOS POST, update the BIOS and boot an OS all with the serial cable!

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            • J Offline
              jriofrio @gilphilbert
              last edited by

              @gilphilbert:
              Hello gentlemen.... I have an inquiry that for sure you know the answer.
              I have been running pfsense in a PC, I installed an IBM card with 4 Ethernet ports, plus one that the PC already had. Pfsense treats the PC port as the WAN interface and the others 4 as LAN interface, each LAN port is an independent LAN. The IBM card works as a 4 port router.
              Now, my question: the WatchGuard M400 has a WAN interface and LAN ports too. In pfsense Do these LAN ports are treated independently or as one switch group that will share and IP.
              Let me know please...
              Thank you for your time and support.
              Good day

              K chpalmerC 2 Replies Last reply Reply Quote 0
              • K Offline
                korenchkin @jriofrio
                last edited by

                @jriofrio they are separate networks,if you want them 'switched',use bridge,but it uses cpu cycles...so if you have powerful cpu,go ahead,but i suggest cheap switch for this (unles you have for example something like cheap home router or some mikrotik,where they use cpu---switchchip---severalethernets - then your packets can go either over switchchip,or pass through to cpu and back)

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                • chpalmerC Offline
                  chpalmer @jriofrio
                  last edited by

                  @jriofrio said in Watchguard Firebox M400/M500:

                  @gilphilbert:

                  Now, my question: the WatchGuard M400 has a WAN interface and LAN ports too.

                  pfSense treats them as they are designed.

                  They are actually 9 separate interfaces that can be used for any network task you assign them to..

                  I have 3 WANs set up and 4 different LANs running on a box that was a "display" unit at a Watchguard "dealer".. been going for over 5 years strong at this point.

                  Triggering snowflakes one by one..
                  Intel(R) Core(TM) i5-4590T CPU @ 2.00GHz on an M400 WG box.

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                  • J Offline
                    jriofrio @chpalmer
                    last edited by

                    @chpalmer .... Great to hear it. I see by your post you have done some improvement to the box.
                    Did you update the BIOS? How it went!
                    I mean did you encounter any difficulties updating the BIOS..... Do you have any advice for the process!
                    Thank you for your comment....

                    chpalmerC 1 Reply Last reply Reply Quote 0
                    • J Offline
                      jriofrio @korenchkin
                      last edited by

                      @korenchkin ... Thank you for your clarification, is good to know. I didn't know all the Ethernet ports were independent.... Yeah, I do have a few wireless home router s that I can use.
                      Hasta la vista :)... Good day

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                      • chpalmerC Offline
                        chpalmer @jriofrio
                        last edited by

                        @jriofrio said in Watchguard Firebox M400/M500:

                        @chpalmer ....
                        Did you update the BIOS? How it went!
                        I mean did you encounter any difficulties updating the BIOS..... Do you have any advice for the process!
                        Thank you for your comment....

                        No worries! ;) I did update the BIOS but it has been years. I did it with a package on pfsense itself if I remember correctly.. I have never had any kind of VGA connector on any of these (except the one box with a VGA connector) just use the serial port.

                        Triggering snowflakes one by one..
                        Intel(R) Core(TM) i5-4590T CPU @ 2.00GHz on an M400 WG box.

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                        • J Offline
                          jriofrio
                          last edited by stephenw10

                          Hello,... I have a question if I may:
                          Today I got a M400 box, before I start doing any modifications I wanted to see if I could get some info by logging into the box through the serial connection or by the web browser. I wasn't able to access it by the browser connecting to the port #1 . I was expecting my computer will get an IP in the network 10.0.1.xxx but it didn't happen. So I set it up manually with IP 10.0.1.99 once done I used the browser to point to 10.0.1.1:8080 no joy.
                          I used the serial connection which worked well, what I got, I was not expecting. Choosing any of the options I was asked to login so I used admin as user name and [admin edit] as the password, I got wrong login.
                          I am curious cause I thought I could get into the BIOS and see the hardware info without opening the box. Any suggestions in how I could get into the BIOS?.... I am including a pic I took.

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                          • J Offline
                            jriofrio @jriofrio
                            last edited by

                            Picsart_25-11-20_18-51-04-057.jpg

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                            • stephenw10S Offline
                              stephenw10 Netgate Administrator
                              last edited by

                              If you want to login to the WG OS you can probably use admin/readwrite. But that's only if it's been reset.

                              The BIOS password (which I removed) only applies for the BIOS not at grub or at the booted WG-OS. To access the BIOS hit 'TAB' at the serial console after powering on when you see:

                              Version 2.15.1236. Copyright (C) 2012 American Megatrends, Inc.                 
                              WG-M400 Ver.AR6 11/16/2019                                                      
                              Press <DEL> or <ESC> to enter setup.                                            
                              Tab key on remote keyboard to enter setup menu, and key 'o' for popup menu.
                              

                              Though that's from an updated box.

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                              • J Offline
                                jriofrio @stephenw10
                                last edited by

                                @stephenw10 .... Thank you... I will try that. I will update the results....

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                                • J Offline
                                  jriofrio @jriofrio
                                  last edited by

                                  Alright, all what I intend didn't work.... It was mostly to satisfy my curiosity..
                                  I need your help to clarify something for me updating the BIOS. Your instructions for updating the BIOS I would like to follow, just need a little clarification.

                                  Picsart_25-11-21_00-13-51-628.jpg

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                                  • stephenw10S Offline
                                    stephenw10 Netgate Administrator
                                    last edited by

                                    Those are not my instructions. When I did it I used FreeDOS and afudos.

                                    1. Yes there is a space there.

                                    2. I assume that's in OpenWRT where in squashfs only the users home directory is backed up. ~ is a shortcut to /home/user for any user.

                                    But you don't have to upgrade the BIOS at all. You can just boot pfSense and use it.

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                                    • stephenw10S Offline
                                      stephenw10 Netgate Administrator
                                      last edited by

                                      Oh right it's TinyCore, hence the /tc link!

                                      I'd forgotten that entirely but I used it for an M500. You can just copy/paste the commands there into the serial console.

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                                      • J Offline
                                        jriofrio @stephenw10
                                        last edited by

                                        @stephenw10 .... Hello, I am lost now..... I have tried every suggestion in this forum in order to gain access to the box and tried to install opnsense. I have tried the USB flash drive and CF flash card with Freedos, msdos, tiny Linux to no avail, this box just boots with the original CF flash card that came with it, I did reset the box too but besides to just login there is no much to it.
                                        I removed the CF card to see if I could see the BIOS message but nothing. The serial connection only shows output when I boot with the original CF card.
                                        Any suggestions in how I could get into the BIOS?
                                        Thanks for your attention and support...
                                        Bye now

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                                        • K Offline
                                          korenchkin @jriofrio
                                          last edited by korenchkin

                                          @jriofrio if i get it right,your serial only works after bios(no bios output),and bios is set to boot only from cf (strange,on my board,not m400,it booted from usb when i removed cf)...also,cf is connected through asmedia to sata port (if i remember correctly,not important...
                                          so your only chance is to boot from cf,that means cf reader,either make image of whole card and double verify,or use another cf (if you are waiting on reader,you can buy another reader too anyway) and treat cf as usb(from the info in posts up),and flash bios this way

                                          edit:i missed you trying cf already,maybe you will have to reflash bios using ch341a flasher (with soic8/sop8 clip),that way you can backup and play with it however you want and you can always flash again,no worry of corrupted bios

                                          edit2:it looks like your serial comes up after boot (not during,you don't see boot log,right?),maybe(just a tiny maybe),just to be sure,you have 115200 baud and no flow control?
                                          we all had serial ready during bios,so you can maybe do blind flash-i.e. make autoexec.bat with commands....

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                                          • stephenw10S Offline
                                            stephenw10 Netgate Administrator
                                            last edited by

                                            Yeah if you see no output from the BIOS you might also have a 3 wire console cable and it requires the hardware flowcontrol wires. FreeDOS also requires that but I wouldn't expect TinyCore to.

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