Questions tagged [dhcp-server]
Dynamic Host Configuration Protocol (DHCP)
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Refreshing Windows DHCP Server reservation active/inactive state
I have a Windows DHCP server with a number of reservations. These all seem to work correctly (in that the addresses are correctly distributed) but, somehow, the Active/Inactive state of these has ...
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What is the exact meaning of "On Commit" in ISC DHCP server configuration?
I know there are three kinds of events we can use for scripting in ISC dhcpd -- commit, expire and lease. My problem is, I am having a little problem in understanding the "commit" event. I ...
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What DHCP option tags are used by standards but not recorded?
I've been working on setting up an in-house service that uses DHCP to let clients auto-discover the server's location. I took a look at IANA's BOOTP and DHCP option tags to see what's available to use,...
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Server DHCPv6 with Linux Alpine
I want create a server dhcp6 with alpine
I'm using Kea-dhcp6. The my file config this is:
{
# DHCPv6 configuration starts on the next line
"Dhcp6": {
# First we set up global values
&...
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netplan - Network with DHCP configured, but no internet
I am trying to configure my Ubuntu Server 20.04 LTS to use DHCP in its network configuration.
Many tutorials on the internet recommend that I create the following file with the following settings...
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Unable to add forward map SERVFAIL/REFUSED DDNS
I am using bind9 on a primary dns server with two secondary dns servers in a master/slave relationship. I am attempting to implement DDNS but seem to be running into a problem when it comes to adding ...
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Block the DHCP server from broadcasting into the second ethernet interface
I have setup my DHCP server by following the instructions in https://wiki.debian.org/DHCP_Server.
This all works but the issue I am having is the DHCP server is being broadcast in the main company ...
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Dhcp reserved addresses
Is it better to use a dhcp server to reserve addresses based on mac address or to assign them statically on the interfaces?
I have a small network and i want almost everything to have static ip ...
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Hosting Azure Active Directory and retiring on-prem AD
Background:- We have Office 365 licenses and all employees have their individual mailboxes. Currently there is one Domain Controller, which not only hosts Active directory but also acts as DNS and ...
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How does a router with DHCP and a custom DNS set deal with client DNS settings?
I have a custom DNS server in my network that I want all clients to use (it has ad-filters etc, similar to PiHole).
I have set my router (LinkSys Velop) to use this DNS server. However, on the DNS ...
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DHCP not updating dynamic DNS record which has an associated CNAME record
I have an Active Directory domain corp.com, which has a child domain dev.corp.com. Each domain has a pair of DCs. For the top-level AD domain, DNS, as well as DHCP, runs on both ADs. For the child ...
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Standard Windows Server 2019 wizard setup with AD, DNS & DHCP does not resolve any DHCP client names
I am working myself through learning and setting up a pretty standard Windows Server 2019 (Essentials edition) serving as an AD PDC, DNS- & DHCP server for a very small network. I followed some ...
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Different lease duration for dhcp clients
Is it normal in Windows implementation of DHCP Server and DHCP Client that some clietnts gets strange long lease expires time like 15 days?
,,Lease duration for DHCP clients'' setting in DHCP Server ...
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What are the symptoms of an IP address conflict?
System administrators must take special precautions when setting up two DHCP servers on the same network. The most common problem caused by competing DHCP servers is an IP address conflict.
Windows is ...
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Unusual DHCP activity after power outage
Over the holiday weekend, one of our clients experienced a power outage. When everything came back online, most devices seemed to be fine, but a few (one of our ESXi hosts and a number of VDIs) could ...