I setup a simple dhcp-server with isc-dhcp-server, but when I start the service, the status is in failed with the message "failed with result 'exit code' ". And yes, I did configure the ...

I need to change my connection, from staic assigned to DHCP using nmcli (invoked from a Python script). I've tried like this: nmcli con mod "CONNECTION NAME" ipv4.method auto nmcli con do...

I can't access to Network IP assigned by MetalLB load Balancer I created a Kubernetes cluster in k3s. Its 1 master and 1 workers. Each one has its own Private IP. Master 192.168.0.13 Worker 192....

I had a server unable to connect to any network and while wrangling with it I found a temporary resolution on running this command: /etc/init.d/network restart && dhclient. However, I don't...

My work laptop is is a member of a domain (the OS is Windows 8). Created a new VM, locally on this laptop (using built-in Hyper-V). DHCP is provided by the domain and all IP addresses are ass...

I work on embedded device with linux on it. I want to use DHCP client first, but if there will be no answer from DHCP Server I want to set static-default IP. I suppose it shouldn't be complicated, ...

In Python, is there a way to detect whether a given network interface is up? In my script, the user specifies a network interface, but I would like to make sure that the interface is up and has be...

I need to make sure there are no syntax errors on dhcpd.conf. If there are errors, I want to get what they are. I can check for syntax errors with this command: dhcpd -cf /path/to/dhcpd.conf bu...

Is there any network broadcast call or something that can force all the connected DHCP clients to renew their addresses immediately? And if not, why not? Surely this functionality has been desire...

I am developing an Android app which will be used by custom devices which will have ethernet support (and also wifi). The app has to enable a settings activity for Ethernet. Please NOTE that the...

I'm using Ubuntu 11.10 and I manually configure DNS servers in /etc/resolv.conf but it gets somehow overwritten after I reboot. How can I prevent this? Thanks.

My host is SLES12 VM running on an ESX server. VM Host has interfaces which acquire DHCP IPs from the DHCP server running on ESX. In my docker container (docker image: opensuse) I am running a NFS...

I have built an image with systemd and dhcp-client. In the recipe dhcp in meta-openembedded/meta-systemd/oe-core/recipes-connectivity/dhcp there is a bbappend which creates a dhclient.service. I wa...

I am new to Python and learning some network programming, I wish to send an DHCP packet through my tap interface to my DHCP server and then wait to a response from it. I tried with several packet b...

If suppose client does not listen on 68 port,when DHCP server receives the request, it can send it to the address from where it received request (with ephemeral port chosen by client at time of sen...

I am using namespaces to separate a few physical interfaces on a server. The routing works perfectly. Also I have a folder for each namespace in /etc/netns/ e.g. /etc/netns/namespaceA/resolv.conf s...

first time poster, hopefully this is an easy one: I need to send a broadcast packet to a piece of hardware which, when it powers up, is on a different subnet than my machine, in order to tell it t...

What is the best way to have a virtual operating system have a static IP address in VMWware. I would like to keep the IP address static since it is a virtual server.

I'm trying to get dnsmasq to operate as a DHCP server inside a Docker container, issuing DHCP addresses to machines on the host's physical network. I'm using the Alpine Linux 6MB container from htt...

I'm trying to set a static IP(manual, no dhcp) address for wifi network using connmanctl. I'm running angstrom linux. I get the following: connmanctl connmanctl> config wifi_"HASH"_managed_psk -...

In 'Request' part of the DORA process, IP and MAC address of the DHCP server is known to the client (as the IP datagram sent in Offer has this information). So if the destination is known, why is t...

Why can't the server use the destination IP address of 0.0.0.0 as is used in source IP of DHCP Discover and Request? It can use the MAC address of the client learnt from DHCP Discover and Request t...

I'll apologise for any lack of clarity, and I'll do my best to update with any missed info, but I'm struggling to understand what I need to do to figure out why the network is unreachable. I'm get...

My app needs to know the peer device’s IP address when my device is a group owner (GO) in a wifi-direct P2P connection (usually GO acts as DHCP server and peer station receives the IP from th...

I am wondering how to get a human readable IP Adress from DhcpInfo.ipAddress? The tricky thing about it is, that it is an integer and obviously you can't store an IP address in an integer. So, how ...