Questions tagged [dhcp-server]
Dynamic Host Configuration Protocol (DHCP)
547
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Can a DHCP Server detect Windows version?
How can a DHCP server distinguish between Windows 10 and Windows 7 clients?
I want to identify the Windows version of the clients using the vendor class, and assign the specified settings.
I am ...
0
votes
1
answer
91
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In a network with two DHCP servers, how does one server know about leases that a client obtained from the other
A client broadcasts a DHCP discover message. Two servers received and reply with offers message, but client accepts the 1st reached msg from 1st server.
What happens to the 2nd server offer message?
...
0
votes
0
answers
52
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Cannot connect to Internet due to DHCP and DNS issue
I have an issue with our AD server DHCP and DNS configuration. Here are 2 situations:
Some devices have multiple different IP address for the same device in DHCP and DNS server. After deleting the ...
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votes
0
answers
55
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Vendor-class-based options in KEA DHCP server
I want to send DHCP option 66 with different values, based on vendor class identifier. I've created client classes in config, but I don't know how to tell the server to use them. This is what I have ...
- 141
0
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1
answer
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script to print dhcpd.leases info to syslog/file
So i'm running dhcpd on a server and to my knowledge the logs from dhcpd are not adjustable, if they are i'm dying to know how...
Anyways, i need something to check the dhcpd.leases-file which is ...
- 11
1
vote
0
answers
91
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Freeradius dhcp relay
I have a freeradius v3 running on my raspberry pi together with pihole.
I have a external NGFW acting as a DHCP Server.
I want the freeradius to "forward" all DHCP requests to the firewall, ...
- 11
-1
votes
1
answer
173
views
Linux Bind9 DNS server, configuration throwing errors
I am having problem with DNS configuration in Linux. I am using isc-dhcp-server as DHCP server and bind9 as DNS server, but I it returning me errors.
This is my Setup
Internet <--enp0s3 interface--&...
- 99
0
votes
1
answer
140
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How do I deploy correctly my DHCP Servers with DHCP Option 82?
My Goal is to achieve a seperate DHCP Pool on my switches, how am I able to achieve it on a flat network hosted for a LAN-Party. Which means seperate VLANs should be avoided
We're talking about ...
1
vote
0
answers
489
views
Different gateway for a single host in DHCP server
I am using ISC DHCP Server and I want to assign a different default gateway for one of the devices using that DHCP.
I have the network 192.168.0.0/24, and two redundant ISC DHCP servers assign IP ...
- 51
-1
votes
3
answers
806
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DHCP providing IP but not creating DNS A record
I'm having a problem setting up a virtual machine IP assignment via DHCP.
The virtual machine is a clean installation of Ubuntu Server 22.04 The DHCP server is a Windows Server Domain Controller.
When ...
1
vote
2
answers
309
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How would you set up a macOS laptop to maintain the same IP address between ethernet and wifi?
I have a situation where I need to maintain the same IP address and/or hostname between two network interfaces on several macOS laptops: the ethernet and wifi.
The topology is such that there is a ...
- 1,227
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Devices keep getting IP from previous VLAN
Some devices (printers and laptops) that are moved to another building with a different VLAN will not release the IP address assigned. I noticed this first when a laptop reported no network ...
- 127
1
vote
1
answer
322
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DHCP failover with PXE
I'm trying to set up DHCP failover with PXE booting allowed from one of the DHCP servers. As required by the DHCP specification, I've setup separate pools for "regular" DHCP and for PXE ...
0
votes
0
answers
406
views
Wrong DHCP-Adress when switching VLANs
I have a problem with our fairly new kea-dhcp setup. We have a bunch of different VLANs in use for which we want to give out DHCP-Adresses. For this purpose we use a little APU-box which serves our ...
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answer
81
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Change DHCP range and tcpip connections
I want to change the dynamic range of my DHCP server for a network e.g. it is at the moment from 192.168.0.2 to 192.168.0.100 I want to move it from 192.168.0.101 to 192.168.0.200 but I don't want to ...
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