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1answer
24 views

Linux IP Alias of different pool becomes primary

I have two different Public IP addresses of two different subnets : 1) 206.190.147.100 2) 198.105.208.3 I am using CentOS 6.5 and my configs are as follows : root> cat ...
1
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2answers
309 views

Linux IP Alias not working - Amazon EC2

I can't seem to figure out this IP aliasing on Amazon EC2. I know it should be straight fwd though. In summary I have two questions (my scenario details follows after questions), in priority: How ...
0
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2answers
197 views

IP Aliasing on different networks (windows)

My cousin works at a Municipality service and she asked me if I can help them upgrade their old Windows XP computers to new ones with Windows 7 and install them. It seemed like a pretty simple task so ...
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2answers
112 views

Router see IP alias? [closed]

On my Win7 host machine, I have two VMs which I test network/server stuff. On one machine I created an IP alias using the following commands from ...
0
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3answers
227 views

Routing between different aliases of a NIC without lo

I have an alias for eth0 called eth0:0. Short version: I want to route packets from one virtual interface to another through an external gateway and not through the loopback interface. Detailed: I ...
0
votes
1answer
141 views

IP alias lost when changing main IP

my /etc/network/interfaces: auto eth0 iface eth0 inet static address 192.168.3.75 netmask 255.255.255.0 gateway 192.168.3.0 Situation 1: After linux booted I set an IP alias: ifconfig ...
1
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2answers
165 views

IP Alias and port bridging

The situation is that I have an Ubuntu box with multiple ethernet ports, which I'd like to behave as if connected to the computer through a switch. I can achieve this easily with a bridge. In ...
5
votes
1answer
1k views

FreeBSD IP aliases in different subnets and default outgoing IP address

I have a FreeBSD VPS that until recently had assigned 3 public ip addresses in a /29 subnet. When making outgoing connections, the IP address used was always the non aliased one ".20", however now I ...
0
votes
1answer
342 views

How this aliasing worked

I am trying to do ip aliasing on my ubuntu 12.04 guest and it was not working. host 11.x.11.2 guest 11.x.11.3 guest is using bridge networking with host. on guest specified auto eth0 iface ...
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2answers
3k views

Persist IP address alias across reboots in CentOS/RHEL 6 using “ip” command

I've always used the ifcfg-eth0:1 alias files to create additional addresses. However, in recent rhel documentation, it states that: As the ip command of the iproute package now supports assigning ...
10
votes
1answer
536 views

iptables not allowing mysql connections to aliased ips?

I have a fairly simple iptables firewall on a server that provides MySQL services, but iptables seems to be giving me very inconsistent results. The default policy on the script is as follows: ...
-4
votes
1answer
392 views

Creating ethernet alias for eth0 network device on EC2 instance

i'm trying to create an ethernet alias for eth0 network device for two EC2 instances following instructions in this tuotorial guide ...
2
votes
1answer
598 views

Linux: ip alias versus iproute

When setting up a web server with multiliple IP-based virtual hosts, I've always used the eth0:x alias notation in /etc/network/interfaces. The wiki on my hosting provider states however that this ...
0
votes
1answer
364 views

Open port iptables with ip alias

Added alias ip, creating eth0:0. network restarted, ngix is listened on alias ip: server { listen alias.ip:80; From server machine I can access www using # lynx http://alias.ip/ How to ...
0
votes
1answer
835 views

IIS 7 and Windows 2008: only one ip address showing for IIS binding when multiple aliases exist?

In Windows 2003 I have multiple IP aliases setup on a single network card all bound to IIS 6. In Windows 2008 I have multiple IP aliases setup but only one shows up in IIS 7. What do I need to do to ...
1
vote
1answer
359 views

Aliases for Each Subnet, and DNS, and AD

I am currently trying to fix a flawed build at my location and want to get some suggestions / ideas about how best to proceed. The systems (Windows 2003 and RHEL 4) came configured with an alias for ...
0
votes
1answer
155 views

Using twice NATTing and dns_Alg

I am trying to use twice nat along with dns_alg to support a framework, and take its measurements. I have a private network 192.168.0.0/24 this network contains www,dns,dhcp etc for its own ...
0
votes
1answer
657 views

In Linux (Ubuntu 10.10 server), can I have a host alias for my IP address and its alias IP's?

I have a web server with realIP 192.168.1.1. Perhaps i'll give it IP aliases 10.1.1.1 and 20.1.1.1. I have 3 IP subnets in 1 physical network, 10.1.1.0/24, 20.1.1.0/24 and 192.168.1.0/24. Now what I ...
1
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1answer
174 views

linux ip aliasing

Do aliased ip addresses have to be on the same network? E.g. If I have eth0 with 10.10.10.1, can I setup an alias (eth0:1) with ip address 10.10.11.1?
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4answers
7k views

Creating ip alias on bonded interface ie. bond0:1

System: HP Proliant DL360 G5 running CentOS 5.4 Bonded interface is working fine for a long time. I just went to add an alias the way I always have on a regular interface, and on first check it works ...
1
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2answers
5k views

Centos: multiple IP addresses

I just bought 10 extra IPs from my host. How do I point these at my CentOS 5 server?
1
vote
3answers
701 views

ip alias lost when dhcp renews lease

I have a server that I have setup to use dhcp for the main connection information and have an alias set up that my router forwards ports to. Everytime (I think this is what is happening) dhcp renews ...
0
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4answers
4k views

DNS or Hosts help. Can I alias this IP address & port to something more friendly?

I have a 2003 Server VM named Gemini, it has 2 IP addresses 10.0.0.25 & 10.0.0.99. I have a website on that box that listens on 10.0.0.99:81. Is there anyway I can alias 10.0.0.99:81 to ...
11
votes
6answers
14k views

When IP aliasing how does the OS determine which IP address will be used as source for outbound TCP/IP connections?

I have a server running Ubuntu Server with four IP addresses aliased on a single NIC. eth0 192.168.1.100 eth0:0 192.168.1.101 eth0:1 192.168.1.102 eth0:2 192.168.1.103 (Using ...