Questions tagged [tftp]

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Can't connect to TFTP docker container

Im trying to set up a TFTP server in docker as a first step of setting up PXE booting, but I can't connect to it. I start the container using the command docker run --name tftp -p 0.0.0.0:69:69/udp -...
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0answers
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Centos TFTP owner and umask

We're running a working TFTP server here. However we see that uploaded files always have nobody:nobody and -rw-rw-rw settings. Is there a possibility to make a user the default owner of uploaded files ...
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2answers
164 views

Using TFTP in docker, getting a timeout

I have a tftp server running in a docker container. I am using this image and I tried different ones: https://hub.docker.com/r/jumanjiman/tftp-hpa/ . When I try to get a file from the tftp server, ...
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1answer
189 views

PXE booting times out in tftp

I'm trying to make some (temporary) use of an old machine. It has no disks of its own, but has a boot-capable network interface (Intel's LANDesk 0.99b). I got it to obtain the IP-address and other ...
2
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0answers
719 views

ubuntu tftpd-hpa server times out

i'm trying to deploy a TFTP server on an Ubuntu machine to backup switche and router config, but i keep getting a timeout even thought i can see tftp traffic coming in. i have looked around, many ...
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2answers
400 views

cisco license install tftp no response from tftp server

I am trying to install a license through tftp in the CLI of a Cisco 2504 controller. My computer is a Mac Pro running Mojave version 10.14.6. I have enable the tftp server on my mac. When I do ...
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0answers
70 views

SG500 Boot Code Upgrade

I am trying to upgrade one of my switches it is an SG500 boot code 1.3.0.03. I have tried to tftp boot code 1.3.5 up to the switch but the tftp keeps giving me server aborted file not found. File is ...
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1answer
707 views

dnsmasq pxe boot not working

Maybe someone can point me into the right direction here I have a dnsmasq DHCP Server in a separate Subnet (10.17.131.42) and another Network that has NO local DHCP Server (10.33.0.0/16) The Switch ...
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2answers
2k views

What's the equivalence of pxelinux.0 and pxelinux.cfg/default configration for UEFI?

I use Pxe to servers with BIOS(legacy mode), which works perfectly. Set Legacy mode and boot servers from PXE, it would load pxelinux.0 and read config menus via TFTP from /var/lib/tftpboot/pxelinux....
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1answer
2k views

Unable to NAT TFTP traffic because iptables is not forwarding the return connection to the client despite TFTP helper creating an expectation

The Problem I have a TFTP server (Machine 'S') and a TFTP client (Machine 'C') on different subnets. They are connected via a router( Machine 'R'). All 3 machines are Debian 9/Stretch. The router is ...
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1answer
1k views

Failing to PXE Boot UEFI Server

I've been having a lot of issues with UEFI boots lately. I have two VMs that I've been using for testing. One is running DHCP/TFTP (CentOS 7) and the other is a client set to UEFI boot. I have ...
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0answers
245 views

sendip IPv6 ICMP ff02::16

I would like to send the following packet out with the sendip program (or any other program): IPv6, destination address: FF02::16, source address: (mine) ICMPv6, type: 143 (Multicast Listener Report ...
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1answer
461 views

PXE Server Implementation Issues

I have an ESXi VM running a tftpd-hpa server on the latest version of Debian 9 for the network PXE environment. For testing purposes, I configured another VM to handle DHCP on Debian 9 using isc-dhcp-...
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1answer
2k views

Centos 6/7 tftp server does not send reply

I am attempting to get a really simple TFTP server up and running for the purpose of working as an IPXE boot server. However everything I seem to do doesn't seem to work to get the server to be able ...
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2answers
1k views

Is there a way to relate the mac address of a machine to it's hostname when deploying images over a network?

This is a os-agnostic question; When deploying to a large number of machines, the only thing you have to differentiate them with is a mac address; DHCP can assign an IP to each machine based on it's ...
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4answers
2k views

TFTP works localhost but not global

I have a TFTP server on Centos 7.4. The TFTP server is up and running and works well when trying to access a file, connecting on localhost. However, if I try to access the TFTP server from another ...
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1answer
2k views

TFTP-hpa not logging in a docker container

I'm running tftpd-hpa on the ubuntu:16.04 base image. When I run this on a full distro it logs fine but inside a docker container there aren't any logs. It seems to be trying to log to /var/log/syslog ...
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0answers
2k views

TFTP Transfer Timed Out Centos7

I've been having an issue with any FTP in Linux since the dawn of its existence and everyone just tells me "Google it" or closes my thread because someone's already answered a "Similar Question" but ...
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0answers
354 views

Unable to mount root via NFS

I have an NFS server connected to a reconfigurable computer (with a BORPH system). I'm using minicom with "run netboot" to boot via DHCP+TFTP+NFS, and I see the following error: Sending DHCP requests ...
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0answers
491 views

TFTP Server for multiple vlans

I have a linux dhcp/tftp server with multiple vlans serving a CMTS. The gist of it is in the CMTS, I tell the cable modems on what vlan I want them to get their address and configuration file from. ...
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1answer
274 views

Windows - multiple concurrent unattended installations

Distribution Server and Software: Debian 8 TFTP Server SAMBA Server DHCP Server Right now we use following way for windows (2012) distribution to our servers: installation task inkomming edit dhcp ...
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1answer
822 views

pxe and dhcp on dfferent subnets

Good Day Please help , i have a dhcp on 192.168.21.0/24 and pxe server on 192.168.1.0/24. Now i want to install hosts in 192.168.21.0/24 using this pxe tftp netboot on 192.168.1.0/24. My hosts in ...
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0answers
431 views

Can't backup Cisco configuration with tftp

I get the following error: SW-AL710-1#copy running-config tftp: Address or name of remote host []? 10.0.1.130 Destination filename [sw-al710-1-confg]? %Error opening tftp://10.0.1.130/sw-al710-1-...
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1answer
1k views

pxe-e32 open timeout error

I'm trying to boot CoreOS on hp dl360 bare metal server. I've configured my PXE server similar to this link. Besides, My DHCP server is running on Cisco switch and I set next-server option to my PXE ...
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4answers
6k views

TFTP requests Not being serviced

This may look like a duplicate question but I did my share of searching, but could not find any solution. I have created a tftp server, this server when accessed from a local tftp client, over a ...
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1answer
1k views

TFTP: transfer time out on RHEL 6 server

I am hitting a wall here trying to get tftp to work using RHEL 6 as a server. The error, from the client, is simply "transfer timed out". On the server, I can see udp 69 traffic coming in from my ...
3
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1answer
6k views

Separate Servers for TFTP and DHCP for PXE Boot

This seems like it should be simple, but I can't find any actual information: Is it possible to have two separate servers, one running dnsmasq doing DHCP while the TFTP (or HTTP) server is running on ...
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1answer
4k views

How to diagnose/troubleshoot tftp timeout

I have 2 VMs. One is setup as a pxe server (dhcpd with a specific subnet and a tftpserver). The second VM is networked with 'vboxnet2' to first VM and it is able to get the DHCP IP as specified my VM1'...
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1answer
2k views

Catalyst 2960-X no xmodem or tftp transfer

I tried to upgrade the IOS on a Catalyst 2960-X stack with three members. The upgrade failed and left me with three switches without bootable files. So I connect to the rommon via console using ...
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1answer
9k views

Linux: tftp not working, transfer timed out, what could be the reason?

I have a server which runs cobbler and tftp server. My task is to configure a read-write tftp server. tftp is configured through xinetd and the configuration file looks like so: service tftp { ...
3
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1answer
2k views

PXE boot kernel panic

I am having trouble setting up a PXE boot server. I've got isc-dhcp-server running, tftp-hpa serves the files over tftp (verified works), and apache2 hosts the rootfs image. The PXE client seems to ...
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1answer
5k views

TFTP boot file download aborted during PXE boot up

I'm using OpenDHCPServer together with OpenTFTPServer in order to try out network booting. My problem is after acquiring IP address client starts downloading the boot file and halts. Message in TFTP ...
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1answer
1k views

Searching for ubuntu installation media fails pxeboot

I'm setting up a pxe setup for my cluster. I'm using dnsmasq as the dhcp/tftp server, and try to deploy ubuntu server 14.04.2. I'm using apache2 as http server to serve the preseed and such. dnsmasq: ...
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1answer
89 views

Linux DHCP server to provide unique options to each DHCP request

I am running a DHCP server in CentOS 6.5 and in my network, 3 clients can issue an DHCP request. The host needs to send the address of the tftp server and also the name of a config file. The order in ...
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1answer
1k views

Client getting wrong option from DHCP server

I'm setting up a machine to load a Debian intallation with PXEBoot, following the guide on the Debian Wiki. I have the boot image sitting on a server, pxe.example.com, at /var/lib/tftpboot/debian-...
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1answer
274 views

TFTP running in boot2docker can't connect

I've asked this question over at the Unix Stack Exchange, but soon realised that the issue was not with docker, but with either VirtualBox or Windows, so I'm asking it here instead. I'm trying to ...
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1answer
1k views

dhcpd.conf for PXE/BOOTP boot not working

I'm trying to configure the dhcpd.conf file so that when I boot through the network using PXE / BOOTP, a bare metal server or a virtual machine (KVM) would get an IP address in the 10.0.2.100 to 10.0....
2
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1answer
7k views

Getting “Connection timed out” on a tftp server though it seems everything is configured correctly, what could be the reason?

I've just installed a cobbler (with tftp/dhcp) server on a CentOS 6.6 machine at work. I've configured tftp to run under xinetd and the conf file looks like so: service tftp { disable ...
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1answer
802 views

Cobbler/TFTP: No filename or root path specified, but why?

I've installed a new Cobbler server and configured it as a DHCP /TFTP server. I've configured the /etc/dhcp/dhcpd.conf like so: [root@centolel ~]# cat /etc/dhcp/dhcpd.conf ddns-update-style interim; ...
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1answer
1k views

SLES 11 SP3 with Bootable Driver Kit - unable to fetch image error

I'm trying to install SLES 11 SP3 using Cobbler but it failed after downloading the NBP file. The error on the screen is "Unable to fetch TFTP image". I have a similiar setup for SLES 11 SP2 and it ...
0
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1answer
199 views

Specific directories for clients

I have a TFTP server with some clients (let's say that A B C D are the clients). All the clients must have the same configuration (only the server IP). But, some clients must fetch files in a specific ...
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1answer
590 views

TFTP (for PXE purposes) Server running Debian, problems with Samba

The way my network works, is my DHCP server (pfSense) is on another server at 192.168.1.1. My Mac server is at 192.168.1.2, and my TFTP server (latest version of Debian) is at 192.168.1.3. I've ...
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3answers
16k views

WDS 2012 R2 Server

Background: WDS Server 2012 R2 (runs on a 2012 R2 Hyper-v server), DHCP server runs on a different server in a different physical LAN. Both Lans go into the same Layer3 switch. Currently all my ...
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2answers
3k views

Downloading with U-Boot's tftp randomly times out

I have a custom board with TI OMAP SoC. I'm trying to download uImage from linux machine via U-Boot's tftp. It fails with timeouts (most of the tries timeout limit exceeds and very rarely it gets ...
2
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1answer
2k views

Fedora 17 tftp not sending files on requests

My Issue is I am attempting to set up tftp on a server, Everything appers to be running correctly exept when I try to download a file from tftp it never responds, There are not any error's that I see, ...
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1answer
5k views

ConfigMgr - Really really slow PXE boot between Hyper-V machines

I have ConfigMgr 2012 R2 CU3 installed on a Hyper-V virtual machine. The virtual machines are hosted on a Server 2012 R2 Hyper-V cluster, and the ConfigMgr server is running on Server 2012 R2 as well....
2
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1answer
2k views

DHCP Option 66 ignored?

Im trying to setup a PXE boot server to deploy CloneZilla images easily, using pxelinux.0. I have a tftp-hpa server running on a server, I tested it with a client and it works fine. We are using a ...
0
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2answers
577 views

TFTP PUT Failing Across Hosts

I have a TFTP server installed on a CentOS host. /etc/xinetd.d/tftp: service tftp { disable = no socket_type = dgram protocol = udp wait ...
4
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1answer
274 views

What could cause TFTP reloaded Cisco `running-config` on 871 to fail?

Cisco CCP Write Configuration borked my 871w config while I was trying to setup port forwarding. I went through the basic steps to reconfig the router. I looked to see if I could just reset the ...
9
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1answer
34k views

dnsmasq: failed to create listening socket: Address already in use

The OS is Scientific Linux 6.3 (which is similar to redhat, centos and fedora) and I have installed dnsmasq with the following configuration interface=eth1 domain=hpclab expand-hosts dhcp-range=10.0....