2
votes
3answers
126 views

DHCP Relay vs Multi-Homed DHCP Server

I'm sketching out a new network topology and I'm unsure of how to solve the issue of DHCP between two VLANs. 10.50.2.0/23 will hold the majority of our users, corporate wifi, printers etc. ...
0
votes
1answer
68 views

Can Windows Server 2003 DHCP Server assign multiple IP Addresses to a single host?

I have Windows 2003 Server handling DHCP for our network. We use reservations to assign some hosts IP addresses. Is it possible for the server to assign a single host two IP addresses in different ...
0
votes
2answers
83 views

Controlling 2 DHCP servers in one network

In my customer network, we have 2 DHCP servers. One is fully controlled by me and another by a different vendor. I want to make sure a set of devices (my devices) when connected, should get IP address ...
0
votes
1answer
314 views

Configure DHCPD with assigned IP address and gateway on different subnets for KVM [closed]

I have a dedi with an IP range of 123.123.123.1/24, the problem is the gateway address: 111.111.111.254 and it's on completely different subnet. I have already setup a bridge and KVM virtualization. ...
1
vote
1answer
61 views

Client doesn't get new IP when switching between subnets/locations

So here is our setup. We have 14 locations each with its own subnet and router. The routers at these locations have DHCP relay enabled that points back to our central server that is running DHCP. ...
0
votes
1answer
71 views

redirecting router connections to different subnet

I'm pretty new at networking and I'm not sure how to make all router connections go to a different subnet. For example my subnet mask is 255.255.255.0 and I have three scopes: 10.0.1.1-255 / ...
1
vote
2answers
255 views

Windows 2008 R2 DHCP Overlapping Scopes

We are trying to troubleshoot a scope overlap problem. We have multiple device types we wish to give all different ranges of a 16 bit subnet. IE. X device we wish to give 192.168.2.1-192.168.2.254/16, ...
2
votes
1answer
1k views

DHCP for Multiple Subnets

So this is the current setup - essentially I would like to get my DHCP server, serving DHCP requests for two seperate subnets. Netgear DG834G acting as a modem connected to a Sonicwall Pro 2040. X0 ...
1
vote
1answer
3k views

Can't start eth1 and dhcp on debian wheezy

What I want: eth0 is connected to internet and has a static IP-address. eth1 connected to internal network and be a dhcp server for subnet. But I can't get eth1 to work. Error: $ ifup eth1 ...
1
vote
1answer
495 views

dhcp same subnet different vlans

I want to setup my work's network so that all wireless clients get assigned a certain IP range but are on the same subnet as the other network devices. Currently I'm running dnsmasq for DHCP and DNS ...
0
votes
2answers
212 views

One ISP, two switches, two subnets

A quick overview of my environment: Network A: One gateway/DHCP server connected to multiple ISPs and connected to the switch One Netgear GS748T 48 port switch (and a few trunked switches for the ...
1
vote
0answers
568 views

RRAS with DHCP when the IP pool is on a different subnet

I run a small business network and the last couple of days I have been setting up some equipment to add VPN capabilities to our network. I've got the following set up: Windows 2008 R2 with RRAS - ...
1
vote
2answers
448 views

/32 subnets on Ethernet via DHCP

Is it possible to assign to an ethernet host via DHCP a subnet mask of only the host itself, e.g. 192.168.1.123/32? Do common operating systems support this kind of configuration? I'd like for the ...
2
votes
2answers
4k views

Routing between subnets with one router?

I have a Draytek Vigor 2820 which is connected to three gigabit Netgear Layer 2 switches. Currently the network is fairly simple, 192.168.1.0/24. One the network I have 7 servers, around 50 ...
0
votes
1answer
236 views

How to change my domain from 192.168.1.0/24 to 192.168.21.0/24

We are about to start using hosting service for the software we use and they've asked us to change it. I'm sure I can figure out how to change the DHCP scope, but that's not what I'm worried about. ...
1
vote
4answers
759 views

DHCP helper with a single subnet and multiple scopes

First, a little bit about what we're trying to do. We are migrating from being multiple LANs (multiple subnets) connected over slow VPN links to a single MAN (single subnet) connected with gigabit ...
10
votes
2answers
13k views

Multiple VLANs, multiple subnets, single DHCP server?

At my job we are prepping to transition from multiple LANs connected over slow VPN connections to a single MAN connected over fiber, and I've got a few questions. First of all, we are planning on ...
2
votes
1answer
4k views

Configuring a DHCP server to serve multiple subnets on the same VLAN

I have a VLAN composed of multiple subnets, and I would like to use DHCP to centralize IP address designation. The DHCP server (100.100.25.88) is a Debian machine on the subnet 100.100.25.64/27. I ...
0
votes
2answers
798 views

Two differents subnets in one DHCP Server with one NIC

I have one Windows 2003 DHCP Server, with one NIC in the subnet 192.168.40.x and I want to serve IPs from two differents subnets 192.168.40.x and 192.168.178.x. Now, I have the subnet 192.168.40.x ...
0
votes
1answer
3k views

dhcpd, DISCOVER, “no free leases”

I am attempting to set up a VERY simple DHCP server. I am using Ubuntu 10.04, and I installed the "dhcp3-server" package. The server has one interface (eth0) statically set to 10.0.0.10(/21). I want ...
2
votes
3answers
1k views

Same or separate subnets when connecting two buildings via a wireless bridge

We have two buildings about 200 feet apart connected via SMC's outdoor wireless bridge. Currently, both buildings are on the same subnet with one DHCP server in the main building. This seemed to be ...
0
votes
4answers
4k views

How to set up subnets for small business infrastructure

At one location we have a single server (also a DHCP server) and much less than 254 clients. Many are wired, but there are also a couple of wireless routers, which occasionally have their wired ports ...
1
vote
3answers
2k views

How do I get Windows Server 2003 DHCP to hand out my newly-expanded Subnet Mask?

I have a need to have lots of internal SSL sites, so I need lots of internal IPs. With some helpful advice here on this site, I learned I can change my subnet mask to raise the limit of hosts that I ...