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    BIOS and UEFI Coexistence HP 850 G3 i219v nic

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    • PsycholiquidP
      Psycholiquid Testers
      last edited by

      No snark taken, I get you I have the Wireshark snooping I just run it directly from the DHCP server to get a good baseline of what the clients are asking for.

      The option 97 is a very good idea, so I could put equals variable “and” instead of “or” equals 97 answer.

      Ill give this a try and see what I can come up with. I agree the Wiki is not persay wrong. I even tried multiple vendor-class-identifications and none with all the information worked even though M$ says they should. Go figured Windows lied (LOL)

      But a second filter on the ARCH:00007 should help with that I would think.

      Off how I miss the days of it just working. Damn you UEFI!!! But thank you for the idea and clearing that up. Not sure how to tackle the wording on the Wiki to better explain that. I can see someone trying it and getting confused. Please keep in mind I have Asperger Syndrome so I read things alot differently than most.

      Here is an example of a Surface hitting the DHCP server while being snooped:

      0_1505307488146_b795c8dd-8883-4cdb-ade4-ef131a8ad875-image.png

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      • george1421G
        george1421 Moderator
        last edited by

        OK so now what I would do is see if you can identify the hardware by the uuid value? For example a surface pro 3 has a uuid of xxxx, pro 4 yyyy, hp (whatever) zzz. Once you have that, looking at the fog wiki page you should be able to create additional test conditions like with the arch 7, 9, whatever. And then combine them into a new policy like in step 6. That new policy may be arch7 and uuid xxxx == file name aaa (sorry about all of the abstractions but I don’t have a solid answer just yet). It seems logically like it should work.

        Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!

        PsycholiquidP 1 Reply Last reply Reply Quote 0
        • PsycholiquidP
          Psycholiquid Testers @george1421
          last edited by

          @george1421 said in BIOS and UEFI Coexistence HP 850 G3 i219v nic:

          OK so now what I would do is see if you can identify the hardware by the uuid value? For example a surface pro 3 has a uuid of xxxx, pro 4 yyyy, hp (whatever) zzz. Once you have that, looking at the fog wiki page you should be able to create additional test conditions like with the arch 7, 9, whatever. And then combine them into a new policy like in step 6. That new policy may be arch7 and uuid xxxx == file name aaa (sorry about all of the abstractions but I don’t have a solid answer just yet). It seems logically like it should work.

          Sounds like a plan I will work it out and post back with what I find out, with pictures!!! I love pictures. LOL

          Wayne WorkmanW 1 Reply Last reply Reply Quote 1
          • Wayne WorkmanW
            Wayne Workman @Psycholiquid
            last edited by

            @psycholiquid My goal when I wrote that article was just to show people how create DHCP vendor classes and policies using Windows and Linux because at the time of writing there was about zero good documentation anywhere on the Internet for this stuff. The article was more of an educational one giving the tools & knowledge needed to create whatever vendor classes and policies needed.

            Ofcourse we can change it to be better, or add notes, or additional sections, or whatever needs done.

            Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
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            • PsycholiquidP
              Psycholiquid Testers
              last edited by

              WEll snooping two different Surfaces I was able to get the following information"

              Surface one UUID = 598FDD98-C837-7A56-48E6-130AE625101C

              Surface two UUID = C3D3C87F-5BAB-FB24-5F25-D0FB46014244

              So it doesn’t look like we can use that as a Condition. Not real sure what they are doing there but it looks totally different and could just be built off of a few factors of the hardware to generate that UUID.

              @Wayne-Workman I didnt mean to convey it was wrong. I learned alot from the article. Just wanted to get it updated with more info. I think you did a great job when you wrote that as there was zero information I could find when I was working on the first UEFI stuff. You are the man!!!

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              • PsycholiquidP
                Psycholiquid Testers
                last edited by Wayne Workman

                So here is the whole snoop to see if we can glean some info out of it.

                Surface:
                
                Frame 1510: 401 bytes on wire (3208 bits), 401 bytes captured (3208 bits) on interface 0
                Ethernet II, Src: Cisco_5e:53:17 (00:a3:8e:5e:53:17), Dst: Vmware_bb:44:5b (00:50:56:bb:44:5b)
                Internet Protocol Version 4, Src: 10.20.42.3, Dst: 10.20.60.8
                User Datagram Protocol, Src Port: 67, Dst Port: 67
                Bootstrap Protocol (Request)
                    Message type: Boot Request (1)
                    Hardware type: Ethernet (0x01)
                    Hardware address length: 6
                    Hops: 1
                    Transaction ID: 0x3697a7aa
                    Seconds elapsed: 0
                    Bootp flags: 0x8000, Broadcast flag (Broadcast)
                    Client IP address: 0.0.0.0
                    Your (client) IP address: 0.0.0.0
                    Next server IP address: 0.0.0.0
                    Relay agent IP address: 10.20.42.3
                    Client MAC address: Microsof_f5:44:71 (bc:83:85:f5:44:71)
                    Client hardware address padding: 00000000000000000000
                    Server host name not given
                    Boot file name not given
                    Magic cookie: DHCP
                    Option: (53) DHCP Message Type (Request)
                        Length: 1
                        DHCP: Request (3)
                    Option: (54) DHCP Server Identifier
                        Length: 4
                        DHCP Server Identifier: 10.20.60.22
                    Option: (50) Requested IP Address
                        Length: 4
                        Requested IP Address: 10.20.42.134
                    Option: (57) Maximum DHCP Message Size
                        Length: 2
                        Maximum DHCP Message Size: 65280
                    Option: (55) Parameter Request List
                        Length: 35
                        Parameter Request List Item: (1) Subnet Mask
                        Parameter Request List Item: (2) Time Offset
                        Parameter Request List Item: (3) Router
                        Parameter Request List Item: (4) Time Server
                        Parameter Request List Item: (5) Name Server
                        Parameter Request List Item: (6) Domain Name Server
                        Parameter Request List Item: (12) Host Name
                        Parameter Request List Item: (13) Boot File Size
                        Parameter Request List Item: (15) Domain Name
                        Parameter Request List Item: (17) Root Path
                        Parameter Request List Item: (18) Extensions Path
                        Parameter Request List Item: (22) Maximum Datagram Reassembly Size
                        Parameter Request List Item: (23) Default IP Time-to-Live
                        Parameter Request List Item: (28) Broadcast Address
                        Parameter Request List Item: (40) Network Information Service Domain
                        Parameter Request List Item: (41) Network Information Service Servers
                        Parameter Request List Item: (42) Network Time Protocol Servers
                        Parameter Request List Item: (43) Vendor-Specific Information
                        Parameter Request List Item: (50) Requested IP Address
                        Parameter Request List Item: (51) IP Address Lease Time
                        Parameter Request List Item: (54) DHCP Server Identifier
                        Parameter Request List Item: (58) Renewal Time Value
                        Parameter Request List Item: (59) Rebinding Time Value
                        Parameter Request List Item: (60) Vendor class identifier
                        Parameter Request List Item: (66) TFTP Server Name
                        Parameter Request List Item: (67) Bootfile name
                        Parameter Request List Item: (97) UUID/GUID-based Client Identifier
                        Parameter Request List Item: (128) DOCSIS full security server IP [TODO]
                        Parameter Request List Item: (129) PXE - undefined (vendor specific)
                        Parameter Request List Item: (130) PXE - undefined (vendor specific)
                        Parameter Request List Item: (131) PXE - undefined (vendor specific)
                        Parameter Request List Item: (132) PXE - undefined (vendor specific)
                        Parameter Request List Item: (133) PXE - undefined (vendor specific)
                        Parameter Request List Item: (134) PXE - undefined (vendor specific)
                        Parameter Request List Item: (135) PXE - undefined (vendor specific)
                    Option: (97) UUID/GUID-based Client Identifier
                        Length: 17
                        Client Identifier (UUID): c3d3c87f-5bab-fb24-5f25-d0fb46014244
                    Option: (94) Client Network Device Interface
                        Length: 3
                        Major Version: 3
                        Minor Version: 16
                    Option: (93) Client System Architecture
                        Length: 2
                        Client System Architecture: EFI BC (7)
                    Option: (60) Vendor class identifier
                        Length: 32
                        Vendor class identifier: PXEClient:Arch:00007:UNDI:003016
                    Option: (255) End
                        Option End: 255
                
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                • PsycholiquidP
                  Psycholiquid Testers
                  last edited by

                  OK ok ok , I am an idiot… (go ahead take the stab)

                  So i forgot I have load balanced / failover DHCP in my environment. SO even if the fog server is set to one DHCP server it will still be pushed to the other in case of high utilization… (damn it me!!!)

                  So I was able to get it working more granular down to the UNDI. With what @george1421 said this could be a problem later but I am thinking it will be fine for now as the versions will probably only go up from here for change dramatically. So here is the setup for clairity.

                  DHCP (Windows Server 2012 R2) 'Failover is on your to configure"

                  Set Vendor Class for hardware. (You can get this from Wireshark easily if you run it on the DHCP server and set ip.src == IP of client PC)

                  0_1505318117679_7305fbf0-ae76-4da1-8848-d8f36aac2e67-image.png

                  0_1505318135541_5df67178-312e-446d-8876-365dec696ecd-image.png

                  Cant really copy and paste but here you go anyway: PXEClient:Arch:00007:UNDI:003016

                  Then goto Policies for either your whole server or for your scope depending on how your network is setup:

                  0_1505318223359_6ec6bee1-4a87-4ba9-9ff3-8e4395d15943-image.png

                  Make a new Policy, name it and description.

                  0_1505318268209_38d4eeaa-c33f-47eb-a73f-cd3a14e46828-image.png

                  Add Condition:

                  0_1505318294038_1dc1da12-9f99-40f6-9ea3-e248139451de-image.png

                  Set Options:

                  0_1505318315735_34d229ac-2354-4264-baae-7c60ae97519b-image.png

                  Now if you refresh your Scope Options you will see the new options:

                  0_1505318379964_4bedc421-ecf5-4d45-b897-17f9d78841fc-image.png

                  I have tested and this works specifically for the Surface Pro 4s with the dock. I am not sure about the dongle yet because I don’t have one.But I will see about getting one.

                  1 Reply Last reply Reply Quote 2
                  • george1421G
                    george1421 Moderator
                    last edited by

                    First of all, great job on the documentation. The more we know and share the more we ALL will know.

                    Second I looked into the MS dhcp server and it doesn’t look like (on the surface) we can use uuid to set a policy event.

                    I did think of 2 alternates that might work.

                    1. Use the mac address to help identify the client. The first 6 bytes of a mac address is the nic vendor manufacturer number. We can key in on that element when creating a dhcp policy.
                    2. Give up on MS Dhcp server delivering pxe boot information to your network and use dnsmasq on the FOG server. DNSMasq will be configured to only provide pxe booting information only. IF the fog server goes off line for some reason, there is no harm since the clients will just bypassing pxe booting. A current version of dnsmasq (2.76) supports the advanced stuff you are wanting to try.

                    These are only 2 alternate ways I can think of to give you the answer you seek. You DO have a functional solution right now so just keep these ideas in the back of your mind.

                    Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!

                    PsycholiquidP 1 Reply Last reply Reply Quote 0
                    • PsycholiquidP
                      Psycholiquid Testers @george1421
                      last edited by

                      @george1421 Yeah I am not versed in DNSmasq but it sounds like I need to be I will start looking at that also

                      george1421G 1 Reply Last reply Reply Quote 0
                      • george1421G
                        george1421 Moderator @Psycholiquid
                        last edited by

                        @psycholiquid Just search the tutorials forum I have a few posts out there about dnsmasq.

                        Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!

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                        • Wayne WorkmanW
                          Wayne Workman
                          last edited by

                          #wiki worthy

                          @Psycholiquid thank you for the pictures and steps! I will get them included into the wiki when I can. @moderators and @testers if you have wiki access, you can help too!

                          Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
                          Daily Clean Installation Results:
                          https://fogtesting.fogproject.us/
                          FOG Reporting:
                          https://fog-external-reporting-results.fogproject.us/

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