Questions tagged [dhcp-server]
Dynamic Host Configuration Protocol (DHCP)
149
questions with no upvoted or accepted answers
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answers
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DHCP Server Not Offering to PXE Client
DHCP Server Not Offering to PXE Client
BACKGROUND:
I'm in the process of adding PXE services to an existing SCCM 2007 server. The SCCM server is separate from the DHCP server (Server 2008 x86) and ...
- 2,437
4
votes
0
answers
8k
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Windows DHCP Server not responding to relay requests
I have a Windows Server 2016 (Datacenter Core) running DHCP server role which is not responding to DHCP requests which come from a DHCP relay but is responding to DHCP requests on the local network.
...
4
votes
0
answers
580
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DHCP Server Listing Host as "BAD_ADDRESS" and not Registering DNS
Question
Why is DHCP showing "BAD_ADDR", why does it think there is a Conflict, and why can't the host register its DNS name?
Devices:
DHCP Server = Server 2012 on bare metal. Also running DNS.
...
- 734
3
votes
0
answers
2k
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Clear routes from DHCP option 121
I have 3 subnets
192.168.10.0/24
192.168.103.0/24
192.168.2.0/24
Most of them can route to each other via static routes defined in their respective default gateways.
However due to some ...
- 46
3
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0
answers
201
views
Did I cause this DHCP failure?
I asked this here, it was requested that I move it to this forum instead.
I have a question that I need some counsel on concerning DHCP and what may happen in a certain situation.
I have a case ...
- 455
3
votes
1
answer
1k
views
2 client classes sharing the same subnet range
basically I would like to achieve the followings:
using only one subnet
different types of user sharing this subnets
creating 2 pools accordingly
an user class called "l2vpn_user" if matched by MAC ...
- 31
3
votes
0
answers
4k
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dhcping "no answer" on CentOS 6.4
I installed a DHCP server (yum install dhcp) and this is my conf:
# create new
# specify domain name
option domain-name "mydomain.name";
# specify DNS's hostname or IP address
option domain-name-...
- 984
3
votes
1
answer
3k
views
DHCP Server Issuing NAK when servicing multiple subnets
We currently have 3 VLANs setup in our network. On our DHCP server (Windows 2008) we have 3 scopes created for the 3 separate subnets. Our clients can't seem to pull addresses on the subnets, except ...
- 31
2
votes
0
answers
1k
views
Obtaining two DHCP addresses on Linux
There have been various questions asked a long time ago about obtaining two IP addresses via DHCP on Linux. Most of those are still relating to old 'alias interfaces', like eth0:0, which has been ...
- 151
2
votes
1
answer
3k
views
UEFI Enabled; unable to get IP address from DHCP, WDS
I'm trying to boot PCs from a Windows 2012R2 WDS server in UEFI mode. it works fine BIOS mode, but I want to boot from UEFI mode.
I have change the boot setting to UEFI mode; secure boot in BIOS.
I ...
- 1,142
2
votes
0
answers
678
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Weird answer of linux DHCP server to gratitious ARP causes DHCP failure
This is a problem, that I ran into recently on a quite heavily configured linux server. This machine runs Samba as an Active Directory Domain Controller, a mail server, a web server, two virtual ...
- 438
2
votes
0
answers
876
views
DNS issue when communicating with Windows Server 2012 R2
I have upgraded my Windows Server 2008 R2 to a new Windows Server 2012 R2 and installed AD DS, but when to trying to join other PCs to the domain it gives the following error:
The specified domain ...
- 23
2
votes
0
answers
194
views
ISC DHCP (Infoblox) takes 30+ seconds to respond to DISCOVERS
Client's DISCOVER packets reach the Infoblox DHCP server through DHCP relays, but Infoblox doesn't seem to be responding.
I checked the pcap taken from the DHCP server, I can see there is 3 DISCOVERS ...
- 139
2
votes
1
answer
1k
views
DHCP server is not selecting IPs inside of the specified range
I have my DHCP server which I specificaly set the ip range to be between: 10.53.70.100 -- 10.53.70.200 but there are sometimes I get IPs outside from this range. For example, the last server I created ...
- 241
2
votes
1
answer
1k
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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 ...
