A static IP address is assigned to a device on a permanent basis. The IP address is not expected to change frequently or at all. This addressing method is commonly used for servers and other devices for which the address must be well-known.

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3answers
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Setting up bridged LXC containers with static IPs

I'm trying to setup multiple LXC containers on a host, each with public static IPs of their own. My host is running the latest Ubuntu. It has a single network interface named eth0. The static IPs ...
8
votes
3answers
3k views

Why does a DHCP server need a static IP address?

I'm experimenting various network setups using VMs. When I setup the DHCP role on Windows Server, it requires a static IP. I am having trouble understanding why this is necessary from a technical ...
7
votes
7answers
4k views

DHCP addressing vs Static addressing for Servers

I'm having a "lively" debate with a work associate about the reasons for or against using DHCP on servers in a network environment. The network environment in particular is a relatively small network, ...
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votes
5answers
3k views

hosting IP change, how much downtime to expect?

i'm moving my hosted site (same host) to a static IP, I understand there will be some downtime due to DNS caching - does anybody have any tips how to minimize this time and to avoid my users seeing "...
5
votes
2answers
5k views

Tunneling a public IP to a remote machine

I have a Linux server A with a block of 5 public IP addresses, 8.8.8.122/29. Currently, 8.8.8.122 is assigned to eth0, and 8.8.8.123 is assigned to eth0:1. I have another Linux machine B in a remote ...
5
votes
1answer
173 views

Route traffic directly between nodes in a cluster

I apologize if this is a really dumb question. Objective Ensure that traffic that is meant to go between nodes in a cluster does not (inefficiently) go outside the cluster and then come back in, but ...
5
votes
1answer
2k views

Draytek Vigor 2820 static IP's

I have a Draytek Vigor 2820 router which is connected to our ADSL provider (British Telecom, BT). We currently have one static IP address which is accessible from anywhere outside of our network and ...
4
votes
4answers
2k views

Centos server keeps jumping to address instead of static assigned address

I have a headless Centos server that I've configured with a static IP address. I've disabled Network Manager, avahi-daemon etc. Whenever I restart the network it just jumps to 10.155.90.100 instead of ...
4
votes
6answers
1k views

Accessing IP restricted server from dynamic IP

Our servers (all CentOS) are all restricted by IP but often i am out and about and stuck on a dynamic IP address. Using a DynDNS widget I have set this dynamic IP to always sync with a DynDNS hostname ...
4
votes
3answers
1k views

IP conflicts with a networked printer

I have 2 computers (Mac with OS 9 and a desktop PC (XP)) that both print to a networked printer (large Xerox Phaser 7700). The printer and the two computers are networked through an old ethernet ...
4
votes
2answers
5k views

Find computers in domain with static IPs - PowerShell

let me start by saying I'm not good at all in writing scripts or troubleshooting them, thus me being here :) I'm trying to find all the computers in a windows domain network that are using static IP ...
4
votes
1answer
721 views

Passing client MAC addresses to DHCP server over VPN

I'm tasked with implementing VPN access on a gateway. The LAN DHCP server is configured to assign the same IP address to a given MAC address. I would like to have this functionality for clients who ...
4
votes
1answer
360 views

Debian - static ip, /etc/network/interfaces

I tried to set a static IP on my Debian 8.1 (in VirtualBox), so I edited the /etc/network/interface file : # The loopback network interface auto lo iface lo inet loopback auto eth0 iface eth0 inet ...
4
votes
1answer
265 views

SCM8014 to FVS338

I have a SMC8014 Router/Modem that Comcast provided me with their business class service. It was not filtering malicious traffic as aggressively as I had hoped, so I purchased a NetGear ProSafe ...
3
votes
5answers
2k views

DHCP or static addressing?

I am in charge of a 70-computer, 50-user network distributed across two buildings and linked by a point-to-point line. We run Windows Server 2008 and so far we've been using DHCP to dynamically assign ...
3
votes
5answers
4k views

What router hardware or software should be used when multiple public IPs are routed into the same LAN?

I am looking for recommendations to replace a set of consumer grade (Linksys, Netgear, Belkin) routers with something that can handle more traffic while routing more than one static public IP into the ...
3
votes
3answers
16k views

Vagrant - access guest from host via hostname [closed]

I have vagrant 1.2.2 installed in my development machine; a laptop. I use same laptop in three different environments with different networking settings. My VagrantFile looks like: Vagrant.configure(...
3
votes
5answers
495 views

Why is my eth0 getting a dynamic ip when it is configured to be static?

For some reason our office linux box is being assigned an ip address via dhcp and I don't know why. What is confusing to me is that when I check system-config-network it shows that my eth0 is setup ...
3
votes
1answer
956 views

EC2 and Static IP's (Elastic IP's)

I'm using an elastic IP for one of my EC2 instances. I can reach the instance via the elastic IP from external machines, but from other machines in my EC2 configuration, I can ONLY reach the machine ...
3
votes
3answers
5k views

multiple ssl sites with 1 ip address and different root domains

I'm running windows server 2003 sp2 with IIS 6.0. I only have one ip address (leasing a subnet is really not an option and i'd like to limit my use of the address space anyways), but need to run ...
3
votes
3answers
469 views

How can I disable Docker's automatic IP address assignment?

I would like to configure Docker containers to look and feel like a real system by assigning them static IP addresses on my network. Currently I have a network bridge setup (br0) on the host. I have ...
3
votes
2answers
3k views

Static IP in AWS but with possible Load Balance feature

I am playing a bit with AWS. My goal is to setup infrastructure, which will have static IP on outgoing connections (requirement from payment provider which solution has been implemented in our app) ...
3
votes
1answer
15k views

How to route public static IP to a virtual machine on a vmware ESXi host?

I have 5 static IPs from my ISP (Comcast) and I have a physical machine with VMware ESXi 4.0 on it that is hosting multiple virtual machines. Right now I am just using the default vmware virtual ...
3
votes
1answer
454 views

Assign static IP by MAC address on openVPN

Our business is currently running a VPN using OpenVPN on a server we host ourselves. We have a need to lock down our internal network for client reasons - so the desired outcome is that only ...
3
votes
3answers
1k views

Utilizing multiple IPs provided by ISP

This is a bit complex so bear with me. I do have a pretty good working knowledge of IP but I'm looking for help on the best way to implement this. My ISP has given me a block of static IPs as well as ...
3
votes
1answer
2k views

Ubuntu 12.04 Server static ip configuration

I had some trouble getting the static ip configuration right for Ubuntu 12.04 Server. Every time I would restart the server the nameserver settings in /etc/resolv.conf would get overwritten by dhcp ...
2
votes
4answers
2k views

Connecting static IP device on switch

Lets say that I connect a device with a static IP in a switch. How does the switch know that there is new device connected? Does the device send an ICMP packet in order to tell that it is new on the ...
2
votes
4answers
256 views

Should I worry about my static IPs?

We currently have a range of 12 static IP addresses through our ISP that I believe are leased. Now that the IPv4 space is almost gone, should I be worried that our ISP (it's a Time Warner fiber ...
2
votes
2answers
2k views

Configuring multiple servers to share one static IP using subdomains

I'm looking for a way to access multiple servers sharing a single static ip by using different subdomains. As a forewarning, I've never gotten into network configuration before, so my knowledge of ...
2
votes
4answers
1k views

How to give static IP in the office and use DHCP at home

There is a laptop running Windows XP. When the computer connects to the Wireless network in the office it should have a static IP address (because it's used as a small DB server). When it connects ...
2
votes
1answer
235 views

server administration for 1U rack server placed in intranet: how to deploy web application and update the server without internet connection? [closed]

A MNC sales department hired my services as a software consultant to build them a web application. This web app generates excel files based on their internal business processes. This web application ...
2
votes
1answer
7k views

Is it possible to give static IP to clients in pfsense

I am using pfsense and it provides an IP address to all clients. Is there any option in there so that I can define the client IP address based upon their MAC address, so that I can measure how much ...
2
votes
3answers
215 views

Static IP from some other ISP

I'm a You Broadband customer, to host a website I need a Static IP but with my chosen plan company doesn't provide me a static IP. They wanted me to buy a static IP. I had ready to do that but they ...
2
votes
2answers
5k views

Should my dedicated static IP address point to my domain?

I purchased a dedicated static IP address from my hosting company to host my domain name. The IP will point to me domain when I ping it. However, when I conduct reverse DNS lookup, my dedicated IP ...
2
votes
1answer
2k views

TCP/IP routing: accessing a LAN device with wrong static IP configuration

I forgot to change the static IP of a network device before moving it from my datacenter network to my home LAN. Since it isn't configured properly for my LAN network, I'm not sure how to access it. ...
2
votes
1answer
7k views

How to assign a reserved / static public IP Address to a virtual machine on Azure

I am running this command on Azure Power Shell to assign a reserved public IP to an existing virtual machine: PS C:\> Get-AzureVM -ServiceName sk-cs-name -Name sk-vm-name | Set-AzurePublicIP -...
2
votes
2answers
709 views

Register multiple static IP addresses ubuntu

I currently have 1 static IP registered on my server. I'd like to go ahead and register 4 other static addresses. I'm not sure of the syntax. Should I just do iface eth0:0 inet static? Here's what ...
2
votes
2answers
5k views

Setting static IP on CentOS without system-config-network

Background information: I have a problem installing system-config-network. It appears it cannot find an update to sqlite (checks every mirror and comes back empty handed.) I have tried the skipping ...
2
votes
2answers
3k views

Static IPv4 and dynamic IPv6 on same interface

I am trying to set up a CentOS 5.4 box to use a static IPv4 address, while getting a dynamic IPv6 address at boot time. I have only one interface, apart from the loopback interface, eth0. It has a ...
2
votes
2answers
213 views

DHCP/static IP nomenclature

I've just inherited systems administration for a small network, on which we have exclusive access to the first 128 IPs on a private virtual subnet. We have a DHCP server which binds IP addresses to ...
2
votes
3answers
7k views

Creating a Static IP With wlan0

I am trying to figure out how to create a static IP address for my Ubuntu server. So far, I have scoured the internet and have only found how to do it with eth0, when I am using a PCI adapter for my ...
2
votes
2answers
15k views

How do I combine static and dynamic DHCP leases on a Cisco router?

Basically, what I need is super similar to the unanswered cisco forum question below: https://supportforums.cisco.com/message/3139749#3139749 I have a Cisco 850 Series router. I have configured a ...
2
votes
1answer
2k views

Assign a static private ip to an EC2 instance

I want my server to connect to a db server (both on an EC2 instance). How can i give the db server a static IP address to use within EC2 without using VPC?
2
votes
3answers
382 views

Detect alive IPs in an unknown static-IP based network

I ask just in case of curiosity and this is just an imaginary network Imagine an internal LAN network without any DHCP server implemented; So to access the network we should use static IP(s); But my ...
2
votes
1answer
5k views

Configure DSL line with static IP addresses and PPPoE?

I have a business class DSL line with AT&T and I have assigned to me a set of 5 static IP addresses that I need to setup for use. The account was recently changed over from a Standard DSL line ...
2
votes
2answers
88 views

IPv4 private address assignment

I'm working on a private network which uses static IPv4 addresses as well as DHCP addressing for the physical LAN network. At a previous company I worked at they would assign static addresses in the ...
2
votes
1answer
13k views

ifdown interface not configured (Debian 6) [duplicate]

My server is dedicated (non-virtual). I want to have 3+1 static IPs. I used aliases (eth0:0, eth0:1) previously, but read that this method is deprecated. So I added another IP and reconfigured my ...
2
votes
1answer
96 views

Static IP on server or router?

I am trying to learn about networking, but I have a question that I can't find a explanatory answer. Basically, I am trying to set-up a server for my local network. I know, that I have to change the ...
2
votes
4answers
4k views

VirtualBox - Public Static IP for a Debian Guest on a Dedicated Server

Goal: I want to run a Debian-squeeze-Guest in VirtualBox and give the guest it's own public static ip. I found tons of threads about this topic, but all in all I'm now trying for 10 hours (reading the ...
2
votes
3answers
1k views

Setting up our router to do NAT with multiple public IPs

we have a 5 public IP addresses. What we basically want to do is have a router(one single router) that will translate a static private IP so that it uses a static public IP(as in, NOT the gateway ...