Dhcp pxe boot option.
The PXE Boot setting is configured in DHCP Option 67.
Dhcp pxe boot option wim? What does DHCP scope option 67 actually do and why do we need it? Thanks. 0 The value of this option is the bitwise-OR of zero or more DHCP_OPTION_OVERLOAD_XXX constants. Introduction These DHCP [] options are being widely used by PXE-compliant clients to uniquely identify booting client machines themselves and their pre-OS runtime environment so that the DHCP and/or PXE boot server can return the correct OS bootstrap image (or pre-boot application) name and server to the client. However, UEFI BIOS and Legacy BIOS need different values for this DHCP Option. From the Server Manager, there are two ways to launch this. I have been having some serious trouble getting my PXE environment to work, I want to use WDS to deploy images I created with MDT. ca 67 - boot\ipxe. Commented Aug Server A system running a DHCP server, an HTTP, HTTPS, FTP, or NFS server, and in the PXE boot case, a TFTP server. Dies wird oft als „Option Option 60 (Class identifier) allows you to inform the target that the location of the PXE server is known. It isn't supported. From its dhcpd. If a DHCP response contains option 060 with the value of "PXEClient," the client computer will make further PXE requests to that specific computer. I have a sec pol with any any to the sccm server. This setup is not working, the PXE boot process stops telling me it cannot find the TFPT server (PXE-032). Hi all, I successfully fired up WDS and MDT, and I'm able to PXE boot to my litetouch boot image. This is just how PXE works. BOOTP was used by a host to configure itself dynamically during its booting procedure. Configuration Manager bietet hierzu dynamischen PXE-Boot The -ScopeId should be the IP range of the DHCP scope you want to add the policy to. Configuring DHCP for multiple boot modes. wim file. In your case the proxy server is providing the option 60. In PfSense I have the options to provide a BIOS boot file, an UEFI 32 bit file name and an UEFI 64 bit file name within the DHCP server settings. HI Jason, Everything is clear now :). 0 set interface "fortilink" config ip-range edit 1 set start-ip 169. Any ideas as to why ? PXE is supposed to only serve the subnet it’s on, ip helpers push PXE across. 2020-09-21T18:08:39. The below assumes that you have SCCM configured with a PXE enabled distribution point and a valid and configured DHCP server. PXE option FF To close the buffer. But for UEFI PC to PXE boot only works the very first time it request DHCP and PXE. I have these Boot options which don't work for PXE boot when I enter the One thing specific to SCCM PXE boot that might apply is the following: Don't use DHCP options 60, 66, or 67. PXE Boot Menu: You can create a PXE boot menu to provide users with a choice of operating systems or boot options. The same applies to the PXE Boot Process. The K2000 built in DHCP server can do do this automatically. This setup is not working, the PXE boot process stops telling RFC 4578 DHCP PXE Options November 2006 1. In the DHCP request, the PXE client What is the purpose of DHCP option 67? I thought the PXE client will look for a boot. Network broadcasts (by default) do not cross subnets. Yes I want to use SFOS as the DHCP server due to certain reasons. How to configure the Microsoft DHCP server for PXE? To boot the computers, you will have to configure the DHCP server in one of the boot modes (Legacy BIOS or UEFI). That's y you second dhcp is accepted by pxe client. This option may not function correctly. Setting this value on your main dhcp server will cause you pxe booting issues, especially if you have a proxy dhcp server running (i. With IP Helpers the PXE server directly receives a copy of the DHCP request which contains the Option 60 information. When testing PXE booting from a client, I can see it picks up a DHCP address in the scope, but the "Server IP" it picks up is the IP of the core switch, ignoring the IP in option 66 (Boot Server Host Name). Simply click on the Tool menu and Select Server This example shows how to configure DHCP options 66 and 67 to have Sophos Firewall distribute boot information to DHCP clients. Option 67¶ Set option 67, also called 'Bootfile Name' to the ipxe I have moved DHCP role to another server and but it didn't move all of the scope option. Unfortunately, the Microsoft DHCPv6 server does not allow to In LEDE LUCI GUI Go to "Interfaces - LAN > DHCP Server > Advanced Settings:" Add to "DHCP-Options" 3 lines: 2. Hello Community, I’m currently using dhcp server in my cisco core switch for all my vlans. Note that the server name indicated by the next I am trying to PXE boot over a cradlepoint vpn to my wds server. For some reason, if I don’t configure option 67 in DHCP then PXE will not Therefore having the PXE server in the routers IP helper table helps make sure that the DHCP packets are forwarded to the PXE server so the PXE server can respond correctly. next-server server-name; The next-server statement is used to specify the host address of the server from which the initial boot file (specified in the filename statement) is to be loaded. cfg/default ) that defines the menu options. This can be achieved by configuring a boot loader such as PXELINUX and creating a configuration file ( pxelinux. Any help would be appreciated. 0 for option 67. However, my boot times are wildly inconsistent. If you’ve already set up WDS, then you should be able to start up a PXE compatible system, have it boot up, talk to the PXE sever, get the Deployment Kit Recovery Environment Try adding options 60 (PXEClient), 66 (PXE server) and 67 (boot file) to the DHCP pool. PXE utilise les champs d’option DHCP pour transmettre des informations. In DHCP under Scope Options I need setup options as below: Port 66 – ‘Boot Server Host Name’ to the IP address of my WDS Server x. Having set this up 181 times in enterprise networks, just never with unifi. Problem is because those ports already in use for Citrix environment to publish Desktops. #define DHCP_OPTION_OVERLOAD_FILE 1: Accept only servers in DHCP_PXE_BOOT_SERVERS list. x::Boot\x86\wdsnbp. Option-82 required on both DCHP for IP allocation and SCCM for PXE boot to work. (instructions depends on the DHCP NOT include options 60, 66 or 67 in its response. In DHCP if you expand the “Scope Options” folder you PXE Boot Arch Field DHCP Option 93. DHCP Option 66: Boot server hostname or IP address. In PXE boot, the PXE Client’s BIOS looks at the configured boot order and, if PXE boot is configured, determines if the hardware supports PXE boot. We were using 66,67 for pxe boot rather than IP helper . This provides PXE clients with a TFTP server IP address and gives those clients the path to the file containing Next-server and Boot file configuration is retained as both Boot options and DHCP options Um PXE-Boot zu ermöglichen, muss ein DHCP-Server dem Netzwerkgerät zusätzliche Informationen mitteilen. com"; option time-offset -18000; # Eastern Standard Time # Is this a DHCP query (as Es scheint, als wäre die Option "Enable Network boot" eine komfortable und auch funktionellere Möglichkeit, die Clients mit PXE Daten zu versorgen. Thank you!. . Since FortiNAC acts as the DHCP server for devices in isolation, special Configure DHCP Options. Shashi Dubey • Follow 376 Reputation points. It should be set using the CLI attribute: filename. You should therefore be at a configured state where you are able to PXE boot BIOS based devices. Technical Tip: Configuring DHCP options for IPv4 PXE boot machines Description . On IPv6, it appears that one can add new options (in this case option 59 for IPv6 PXE), but the options does not show and are not used. From the dhcpd. 753+00:00. Dazu gehört, dass Du Deinem Router sagst, er soll Boot-Anfragen an Deinen PXE-Server weiterleiten. The Palo is our DHCP server for clients and we have defined some options in our DHCP scope (option 66 pointing to the WDS server and option 67 pointing to the bootfile). Boot-Server (DHCP-Option 66): IP-Adresse des TFTP-Servers (auch Next-Server genannt) Boot-Filename (DHCP-Option 67): When a client computer is PXE booting, it listens to DHCP responses to find who the PXE server is that will be servicing that client. However, the client PXE boot process fails. Option 66 points to the IP address of the TFTP server where the boot files reside, while Option 67 denotes the name of the boot file that the client needs to request from the TFTP server. Does the boot file located in 67 (like boot\x64\wdsnbp. If you use hostname, you must use the fully Set DHCP option 60 to PXEClient. This document will help you configure PXE in the DHCP server. If you have multiple subnets, then your subnet router probably has dhcp-relay or dhcp-helper enabled. 153 for the option 66, and pxelinux. 2. The setting is found in PXE Boot, DHCP Options, and IP Helpers . 0 2. Set your pxelinux server as the primary boot server, get the pxechain. example. com append 10. com Hello, I need to define DHCP option 16 in Microsoft DHCPv6 server to get UEFI clients to boot via PXE (to indicate to the UEFI clients that on the same server there is a PXE service) . But the issue is I do not have Option 66 & 67 in the DHCP Options. Do not try to set DHCP options (codes 66 and 67) and assign them to the network definition, it will not work. Depending on the boot client you’re using, the tftp-server-name mentioned by @matthewmoyles may or may not work. The PXE Client can then merge the DHCP and PXE server offers to form the necessary request. These are the DHCP options you need for PXE boot to work with SCCM across different networks. You can configure the boot DHCP server as a proxy DHCP server. If all the When you configure Sophos Firewall as a DHCP server, you can configure it to distribute boot configuration information to PXE clients. Mask, dhcp Ip and gateway. I do not have a Microsoft dhcp server in my environment. Option 66 gibt an, welcher Server zu kontaktieren ist, und Option 67 ist der Name der anzufordernden Datei. I have added a "IP helper-address" on the SVI of the switch for our Ghost server which is on a different subnet (Vlan 70) to the switch. Es scheint sogar, dass diese Option folgendes kann: Sie wertet den Architekturtyp aus, den moderne PCs beim DHCP Request mitgeben. If a hostname is used, the network boot client must be able to resolve the hostname via DNS in order for network booting to work properly. h. The DHCP discovery packet from the Pi includes DHCP option 55, specifying which options it expects to be present in the DHCP offer to continue the boot process. WDS) and your WDS server is not on your main dhcp server. Most computers these days are UEFI, but occasionally you may need to change it back to re-image an older Legacy BIOS. 255. Eine andere Methode zur Bereitstellung der Boot-Informationen für einen Client besteht darin, einen Dienst auf die DHCP-Anfrage warten zu lassen. conf(5) man page:. Improve this question. This setup is not working, the PXE boot process stops telling I am trying to replace a PfSense DHCP server which is configured to provide PXE options; what I’m trying to achieve is similar to this issue, however the solution mentioned there isn’t working for me. However, this may not be required for all PXE environments using Infoblox DHCP. ) 67,pxelinux. The DHCP server picks up this broadcast and replies with a suggested IP address to use. This option is used to identify a TFTP We would like to show you a description here but the site won’t allow us. Dynamic Host Configuration Protocol If you'd prefer to select from a menu instead of pre-assigning MAC address, then you can use a pxelinux menu, too. By using DHCP policies and custom vendor classes for the following DHCP Options: Option 60 Option 66 Option 67 The below assumes that you have SCCM configured with a PXE enabled distribution point and a valid and configured DHCP server. 254 next end set vci-match enable set vci-string "FortiSwitch" "FortiExtender" next edit 3 set dns-service default set Enables or disables DHCP options used for network booting (PXE boot) Boot next-server. If if the server and the pxe booting client are on the same subnet and WDS is running, then remove the dhcp option 67 (boot file). This option will need to be manually set on the DHCP server if: 1. The PXE Boot setting is configured in DHCP Option 67. Regards, Tony Lewis Ensure the 060 option is removed from the default scope/server settings since it can disrupt the PXE boot functionality. kpxe Built into the iPXE boot loaders: These new PXE server type numbers are used to differentiate multiple OS deployment servers in the BOOT_SERVERS sub-option of DHCP option 43. domain. Then, configure Option 66 and Option 67 on the DHCP server, so that the PXE client can obtain the TFTP server address and startup file name respectively from the DHCP server. Are you using something like Windows deployment services for PXE booting on this same server? The PXE and DHCP services are handled differently if that is the case. Besdies normal dhcp options I've setup option 66 with IP and ip-address and option 67 with ASCII and \path\bootfile. Ask Question Asked 5 years, 3 months ago. This article assumes the Digi 6350-SR/6355-SR is operating under default settings, all relevant PXE boot files and TFTP server processes are in place ready to be connected, and the client device is in a state ready for PXE boot. In short, when a device attempts to PXE boot, it sends a network broadcast to find a PXE server. " 1 vote Report a concern. What you have captured should be at least 4 packets. DHCP option 66 and 67 You must set option 66, Boot Server Host Name, and 67, Bootfile Name, for each specific UEFI target that cannot process option 43. Setting DHCP Server for PXE boot hello . Generally, a client computer boots from the network by using the PXE protocol according to the following process. 1. DHCP Option 67: UEFI Boot option 150 <ip of PXE Server> domain-name <domain name> NOTE: In some instances with Cisco IOS operating in Hybrid mode, Use the following options on the Cisco DHCP server: ip dhcp pool <name> network <ip of network> <subnet mask> bootfile BStrap\\X86pc\\BStrap. xxx)of the PXE server) Click “DHCP” from the left column, scroll down till you see the “Custom DHCP Option” Click + sign to add an option and pick option 43 Vendor-encapsulated-options To expand on @matthewmoyles answer above:. The pxe client is a Dell XPS that only supports UEFI. When the client initiates a PXE boot (by traditionally pressing F12), however, the process is changed slightly: The client sends a DHCP broadcast and states it needs PXE boot. DHCP option 43; Additional Linux cloning options; Additional SUN and IBM PowerPC options 文章浏览阅读1k次，点赞16次，收藏25次。在SwitchA上配置DHCP服务器，实现PXE客户端通过DHCP服务器获取IP地址等网络参数，然后通过在DHCP服务器上配置Option66、Option67参数，实现PXE客户端通过DHCP服务器的Option字段分别获取TFTP服务器地址和启动文件名，以保证PXE客户端完成后续文件下载操作。 The solution can be found by using DHCP policies and custom vendor classes for the following DHCP Options: Option 60 Option 66 Option 67. Although each server can run on a different physical system, the procedures in this section assume a single system is running all servers. I’m looking to to setup and deploy a WDS server and is wondering what dhcp option I have to set on my cisco core switch currently handling dhcp for pxe to work. com). Rouge DHCP packets are blocked as designed. To use PXE to deploy an OS, distribute both x86 and x64 PXE-enabled boot images to one or more PXE-enabled distribution points. The full option 43 reads as follow: 06:01 These are the DHCP options you need for PXE boot to work with SCCM across different networks. 254. I'm enabling DHCP snooping on a 4506 running 12. (there might be some more problematic options as well, but I ran into option 60) The PXE settings can be quite involved, especially if you need to support BIOS / UEFI / multiple I'm trying to get pxe boot to work through the firewall. com. Code: filename Name: type filename Text: EFI\Boot\bootx64. To configure the filename and next-server details for DHCP in Sophos firewall for IPv4 BOOTP/ PXE, follow the steps given below, Open Sophos Firewall; Select Network->DHCP-> Server. The cradlepoint supports dhcp custom options 60,66, and 68 but I haven’t had much success. – Appleoddity. com) go out and search for the boot. To configure the DHCP options, launch the DHCP Manager as shown below. 1 set netmask 255. Don’t forget to repeat the above for each DHCP scope you wish to PXE boot from. If you want to boot with DHCP/PXE/TFTP method and your DHCP is handled by a Mikrotik router and your TFTP server is on another server, then you need to set the next-server and boot-file-name parameters in the network definition. Advanced troubleshooting for PXE boot issues - Configuration Manager | Microsoft Learn Configuration of DHCP option 66/67 for PXE in Sophos firewall. 2) PXE-capable/enabled NIC (Network Interface Card) on the client (PXE Booting Client), and that broadcast originating from the PXE Booting Client can reach the FortiGate which is acting as a DHCP server in this scenario: What are DHCP options 66 and 67? These are essential boot parameters provided by the DHCP server during the PXE Boot process. It asks for option 43, option 60, option 67, options 128-135, option 66, option 1, and option 3. 在SwitchA上配置DHCP服务器，实现PXE客户端通过DHCP服务器获取IP地址等网络参数，然后通过在DHCP服务器上配置Option66、Option67参数，实现PXE客户端通过DHCP服务器的Option字段分别获取TFTP服务器地址和启动文件名，以保证PXE客户端完成后续文件下载操作。 I need setup DHCP server for PXE boot. Configure PXE in the DHCP server by clicking on the server that you are using, Microsoft DHCP server; Sophos Firewall; Infoblox DHCP server; Cisco DHCP server; Fortigate DHCP server; Huawei DHCP server; PFsense DHCP server; Note: To know more about how PXE works, click here. Set dhcp option 66 to be the IP address of your WDS server. 1) 66,name of external tftp server 2. n12 Scope: Global Comment: PXE for ME Click Save. The PXE Server can then review this information and send back the appropriate boot file information (Also using DHCP Options). A host could receive an IP address and a file from which to download a boot program from a server, along with the server’s address and the address of an Internet gateway. I want to configure the DHCP server of my 80F firewall, for and th DHCP is ready, when I try to set option 67, i have a warning, with CLI it tell me to set interface attribute . Click the Save and Restart Services icons. ; Add a New DHCP option to configure next-server details. allow booting; allow bootp; option domain-name "company. Follow These two DHCP options must be set: Option 66¶ Set Option 66, also called 'Boot Server', 'Next server' or 'TFTP Server' to the IP address or hostname of the FOG server. I'm trying to set up DHCP failover with PXE booting allowed from one of the DHCP servers. This is the DORA dhcp process (Discovery, Offer, Request, ACK). As required by the DHCP # This is the primary DHCP server. efi 3. x Port 67 – ‘Bootfile Name’ to the following path ‘Boot\x64\wdsnbp. (sccm. When a pxe client boots, it will send a dhcp discovery with option 60. In the PXE boot process, the client must first acquire TCP/IP parameters and the location of the TFTP boot server. PXE uses the following to determine which offer to use: DHCP/Bootp in same offer; DHCP with IP only Proxy Boot Servers, such as Remote installation services (RIS) and ADS. When I try to boot an empty VMware workstation VM on PXE to check however, Cet article vous aide à résoudre un problème où les ordinateurs clients PXE (Pre-Boot Execution Environment) ne démarrent pas lorsque vous configurez le serveur Dynamic Host Configuration Protocol pour utiliser les options 60, 66, 67. Determines the server that network boot clients will download the boot file from. What was wrong was the DHCP Options. efi; Cick ‘Next’ On the Summary page click ‘Finish’; BIOS 32-Bit & 64-Bit DHCP Policy Right-Click ‘Policies’ and click ‘New Policy’ Give the policy a friendly name that coincides with the your vendor class naming scheme: Here is the instructions. It doesn't appear to actually require 128-135, since it boots for me without those The Palo is our DHCP server for clients and we have defined some options in our DHCP scope (option 66 pointing to the WDS server and option 67 pointing to the bootfile). 2(25)EWA4 Snooping appears to be working, the binding table is propagated, and clients can receive ip addresses via DHCP. There are three parties involved: the DHCP server, the PXE server, and the client. PXE boot process. Any suggestions are much appreciated. 66 > PXE Boot Server IP address 67 > SMSBoot\x64\Wdsnbp. Thus, if your PXE server is on a different subnet from the PXE booting system, it can never find the PXE server. Now the PXE Boot stop working, I try below but it doenst work . Fortigate # show system dhcp server config system dhcp server edit 2 set ntp-service local set default-gateway 169. Once a device is powered on and completes the POST, it begins the PXE boot process (prompted via the boot selection menu). Code: next-server Name: type next You should disable the dhcp configuration in proxy DHCP server and try if the pxe client is getting the IP from primary DHCP and boot from the proxy dhcp. DHCP_OPTION_OVERLOAD_FILE. Is configuring the DHCP scope options 66 and 67 required for MDT PXE booting? I just looked in DHCP options to prepare for migrating to a new server and I don’t see it configured, yet PXE booting is working on the old server. 168. label wds menu label WDS kernel pxechain. I dumped the DHCP offer packets to check, and that seems to be correct. e. You seem to be using ISC dhcpd. The first thing the PXE firmware does is sending a DHCPDISCOVER (a UDP packet) broadcast to get TCP/IP details. The problem I face is, the Boot Client uses the IP-Address of the Firewall/DHCP Server as TFTP Server instead of the value provided in the Option 66 (Next Server) in pfsense>DHCP Server I've this setup: Enable network booting is checked Next Server: IP address of the WDS machine Additional BOOTP/DHCP options: Option: 60 type: text value: PXEClient Whit this set of options, I am able to reach the wds server and boot from network. Open Sophos Firewall; Select Network Services ->DHCP -> Options -> New DHCP option; Input the following details. Modified 5 years, 3 months ago. This article describes the case when machines are unable to boot from the network using PXE when isolated. 2 set end-ip 169. A generic Linux distribution is used as an example for the setup, and no operating system installations will be covered. These settings will help your connecting clients to find the appropriate PXE server. Restart the SCCMPXE and DHCP services on the server. PXE Boot on SDA Fabric . Which would translate to 192. It seems when Option 66 and Option 67 were used it kind tricked PXE client computer to think that the WDS server is a DHCP server and trying to get IP from it. In this example, the first server has specifies a 15 second timeout and shows the string Select as the boot menu prompt. Server-name should be a numeric IP address or a domain name. Jetzt kommt der trickreiche Teil: Du musst sicherstellen, dass Dein Netzwerk richtig für PXE eingerichtet ist. Prepare a PXE-enabled boot image. Definition at line 187 of file dhcp. com module from syslinux, then configure a menu option to forward to the WDS server:. Es ist wohl eine spezielle Alternative für die DHCP Codes 65 und 66. Note: In at least one case of issues PXE booting with Infoblox DHCP, DHCP Snooping was required to be set to TRUST on the network ports for the PXE Sever. SDA Fabric uses anycast gateway IP, thus FE switch add Option-82 header contains FE 配置思路. To get PXE working on a server that is running both DHCP and WDS you need to enable option 66 and 67. I'm trying to do a PXE Boot to the ghost server but the hosts on Vlan 20 do not get assig Configure the DHCP server function on SwitchA, so that the PXE client can obtain network parameters such as an IP address from the DHCP server. It involves three parties, the DHCP server, the PXE server, and the client: The client computer broadcasts a DHCP packet that asks for the address of the DHCP and PXE servers. Windows Server 2008 and lower will require a user to set option 67 to the boot file RFC 4578 DHCP PXE Options November 2006 1. The DHCP range being published has routing to the Boot Server and can successfully connection to it. x. 1) TFTP PXE server hosting the installation file (know the file name). Next-server: Enter the IP address of the computer where the Central Server/Distribution Server is the output is . The first two packets are Booting from the network using the PXE protocol involves a simple series of DHCP packets. If you use hostname, you must use the fully (Boot File(BStrap\X86pc\BStrap. Respond to BOOTP requests. Other DHCP servers either have problems with doing this or require special setup instructions. com " Start PXE over IPV4 IP address is xxxxxx. If yes, it tries to DHCP an IP address off the NIC. Now options 66 and 67 are available in palos dhcp server but I can't get it to work anyway. conf man page that explains all these options:. efi or boot\pxeboot. 4. We had an issue with PXE boot on SDA Fabric. On the Configure settings for the policy page ensure that ‘DHCP Standard Options’ is selected from the drop down box; Configure the following scope options: As noted in my original reply, yes: "You need to get rid of any and all DHCP options related to PXE boot. You might need to specify it as next-server. A few seconds "thinks" Actually dhcp option 60 is set to PXEClient by the Proxy DHCP server (in your case your WDS server) to tell the pxe booting client to talk to it to find the boot server. xxx. This can be an IP address or hostname. Hi I have cisco IOS DHCP server configured on a 2960G switch on Vlan 20. I setup a Wireshark capture and see the options passed but the client tries downloading the boot file from the router address and not the server I specified in Add DHCP Options 66 – pxe. DHCP configures the IP, tells the device where it’s next hop is (it’s gateway) and then any additional options configured. If I have a ARM Server or a RISC-V server and want to perform a PXE Boot what value should I provide for the ARCH Field? boot; dhcp; uefi; ipxe; bootp; Share. 060: PXEClient; 066: IP Address of the SCCM or WDS Service; 067: smsboot\x64\wdsmgfw. I'm trying to copy a PXE Boot Optin from the DHCP Server of a UTM to Sophos XGS. 0. For PXE booting you’ll need to also specify a filename. Sometimes it'll take a minute, other times it will take up to 20, or not boot at all. — Boot File Name: The name of the file the client must download. option 60 ascii "PXEClient" option 66 ascii WDS Since FortiNAC acts as the DHCP server for devices in isolation, special modifications are required in the DHCP configuration to enable the machine to boot from the Start the packet capture then pxe boot to the error and then stop the capture. The history of DHCP and DHCP options traces back to the Bootstrap Protocol (BOOTP). That's where the DHCP scope options come in. 0) is the image file residing on your PXE server and Next server is IP address (xxx. Right Click New Policy under Policy Scope Policy Name: PXEClient (BIOS) Description: PXEClient (BIOS) Add Condition: Check Append wildcard(*) Click Add Then Ok Add DHCP Options 66 – pxe. Wie läuft das nun mit IP-Helper. Im trying to setup a PXE boot server to deploy CloneZilla images easily, using pxelinux. 3) 150,ip of external tftp server Then try LAN boot from notebook over LAN cable and see: Boot Agent PXE found client IP. lygomaiulfmxcgjiahczgudblhfkiuzwpwpeyyuxqmksykvxfsnrnxyjxlyezwwdtqrijbltxzrmzyajcd