Dynamic Host Configuration Protocol (DHCP)

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3answers
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Fixed dhcp host to automatically expire any lease

I have the following situation: Multiple offices with multiple firewall/dhcp servers. Every time the IT team of some office plugs a new network printer i need to create a fixed-address entry, and ...
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2answers
124 views

How to ignore unused network interfaces in dhcpd on Centos 7

I have a machine running Centos 7 with 8 network interfaces. I have three of those interfaces configured and running. I have configured dhcpd to handle the local lan interfaces. I get the following ...
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2answers
469 views

Ubuntu server as DHCP Server and Internet Gateway

In my work environment there is one ubuntu server (dynamic ip) and 6 win7 systems all connected to a switch which is connected to a modem(isp internet). Right now the modem acts as dhcp server and ...
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1answer
55 views

DHCP Config for Server 2012 R2

This question may have been covered before, but it is rather complex and haven't found a similar post, so please be kind! I think my issue is rather unique, so I'll try to explain as best I can. I'm ...
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1answer
89 views

calculate reserved ip address based on mac address

Is it possible to calculate ip address based on mac address for isc-dhcp server? For example: 'aa:aa:aa:aa:aa:x' => '10.10.10.x' I have following in dhcpd.conf: subnet 10.10.10.0 netmask ...
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1answer
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CentOS: DHCP Server and DHCP relay on same machine

eth0 IP: 192.168.1.100 Alias interface eth0:dhcp IP: 10.10.1.100 dhcpd.conf: authoritative; local-address 10.10.1.100; subnet 10.10.1.0 netmask 255.255.255.0 { range 10.10.1.10 10.10.1.50; ...
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1answer
134 views

Forwarding all HTTP/HTTPS traffic to a port with iptables

I'm trying to setup a wireless network that routes all traffic to a local webserver (basically a hotel wifi login page). Here's my dhcpd config: $ cat /etc/dhcpd.conf ddns-update-style none; ...
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1answer
100 views

DHCPv6 Server IP address

I am new to DHCPv6. In dhcpv4 we have Option 54 to retrieve the Server Identifier (ie. Server IP address) in DHCP message. Similarly how to retrieve DHCPv6 Server IPv6 address in DHCPv6 Message. I ...
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1answer
729 views

Error - reading DHCP configuration file. No such file or directory. Solaris 10

I'm currently working on a Sparc Sun-Fire-280R running Solaris 10 8/10. The machine has dhcp-server preconfigured to use NIS from the onset but I don't have any knowledge of where those config files ...
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1answer
491 views

How do I setup Ubuntu interfaces so one interface is “mapped” to another?

I have recently setup a DHCP-Server on an Ubuntu 10.04 server machine. The machine has two interfaces (eth0, eth1). I have the DHCP server setup correctly because computers connecting to the network ...
0
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1answer
72 views

Setting Windows Server 2003 DHCP

I have a Windows server 2003 with two NIC one is setup to connect to the network with static IP/internet, and the other one is supposed to be used internally as DHCP server. However I am having ...
0
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1answer
860 views

dhcp-server + iptables: Can't share ppp internet connection

I had this configuration before, and it used to work well, but now I got a new server and I can't setup it to share the internet connection from ppp0. I'm on Debian testing. The client connects ...
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1answer
177 views

Access Control Lists & DHCP

Please take a look at this image right here. In the image above you can see a virtual netwerk simulation program (CISCO Packet Tracer 6.0) where I'm trying to setup a network and secure it. However ...
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1answer
159 views

Get/Assign IP addresses assigned by the DHCP sever with DLink switches in between

In our office the setup is like we have a UBUNTU server with DHCP Server connected to all the PCS via 24 port and 8 port DLink switches. How can I find all the PCS(with client name, ip and mac ...
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1answer
23 views

DHCP server with 2 NICd

I have windows 2012 r2 x64 standard server. That server has 2 NIC nic1 gather IP from LAN1 nic2 - here i need run dhcp for LAN2 (black network) This server will have firewall which will be use ...