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1answer
28 views

Dual Homed to speed communication between two servers

I have to RHEL 6.4 servers that each have 1000 Mbps Full Duplex NIC Cards. However, the switch between them is only 100 Mbps. Is there any downside to setting both servers up as dual-homed and use a ...
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0answers
36 views

Two network interfaces access from the third subnet

I faced the following problem. There is server (Ubuntu 12.04) with two NIC that have IPs 192.168.40.147 (eth0) in 192.168.40.128/27 subnet and 192.168.40.165 (eth1) in 192.168.40.160/27 subnet. Now we ...
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0answers
50 views

CentOS - Dual NICs connected to 2 different networks, works on my Debian Server

First i would like to ya'll know i have a Debian based server that is working perfectly with what i am trying to do. My CentOS server is the one that when duplicating the config, but using different ...
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votes
2answers
624 views

Running an EC2 server on Ubuntu with 2 simultaneous network interfaces

I have found similar questions relating to this issue but none matching my situation and none of the advice has helped me get this running. I have a 64bit Ubuntu server from the default AMI running ...
0
votes
1answer
191 views

A duplicate name has been detected on the TCP network

I installed my domain controller and DNS with two NIC on the server. Both NICs have their own separate IP addresses in the same subnet and were not teamed. Both IP address were registered in the DNS ...
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votes
1answer
73 views

Secondary “Management” NIC on SBS 2011?

Looking for a solution to an issue I've run into at a site. Essentially we've run out of network drops for a server. The server itself has all of the necessary network drops, but we do not have one ...
2
votes
1answer
319 views

FreeBSD Nic Setup - Dual NICs with lagg

I have a server running FreeBSD 9.0. It has two NICs using the igb network drivers. I was given a range of IPs, for example's sake I'm just going to make up some IP addresses, so let's say ...
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1answer
62 views

SetFTP access to 2nd nic

I have a situation where we have our main LAN/Domain that all users connect to and provides access to the WEB. We have a couple of individuals who on occasion will begin an extended FTP download, ...
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1answer
151 views

openvz dual nic setup from scratch

I have a openvz server that has 2 nics I need 1 for ethernet and the other explisitly for nfs traffic. eth0 goes to the lan/internet currently doesnt have ipv6 but will be getting a static ip soon. ...
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1answer
1k views

Internet routing doesn't work in LAN on a two NIC's (WAN + LAN) Windows Server 2008 R2

We have the following network setup: A) Modem (192.168.0.1) with DHCP disabled B) Windows Server 2008 R2 with dual NIC: B1) WAN interface (192.168.0.2) B2) LAN interface (192.168.1.2) C) Switch ...
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2answers
341 views

Dedicating Network Adapters

I am looking for some clear instructions (a blog or something similar) on how one would go about setting up a dual network adapter in such a way so that: One network adapter is used for user ...
2
votes
1answer
174 views

2008 Server 2 NICS Unable to maintain routing

I have two Windows 2008 Servers. One is a domain controller and the other is a member of the domain. The domain member machine has 2 NICs, one for internet facing traffic and the other for private ...
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3answers
164 views

Creating two networks

I'm setting up two different networks at our office. One is to manage the internet connection, and the other one is to connect to a local server. I believe I should be using a different IP range to ...
0
votes
1answer
559 views

Getting bind9 to answer on a Dual NIC machine?

I have this problem: My domain registrar are stubborn, and requires me to have 2 nameservers. So now I have done this: ns1.sebbe.biz --> 178.174.190.175 ns2.sebbe.biz --> 178.174.189.82 Port 53 ...
1
vote
1answer
463 views

Intel 82576 Dual-Port Controller Teaming

Can I team two ports from the same controller? My scenario is that I have two switches on the same network for redundancy. I want to connect each NIC Port of a dual-port server to a separate switch ...
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2answers
6k views

Dual NIC Win2008 routing problem when private NIC enabled?

Have Win2008 Terminal Server. Works fine if only public NIC is enabled. But you want to enable the private NIC as well. What happens? Boom, nobody can access the Terminal Server (via public NIC). ...
0
votes
1answer
202 views

How do I find which process is dropping my TCP ACKs on a dual-homed machine?

I have a dual-homed machine (1 LAN, 1 DMZ) using static IPs on both, with routes configured so that packets coming in on the LAN IP use a LAN gateway and DMZ packets use a DMZ gateway. I am using ...
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vote
2answers
917 views

Windows 2008, 2 NICS, routing problem

Dear all, I've some questions regarding basic routing, can't seem to relate to other questions posted in this site. My architecture: Windows 2008 server with 2 nics in the server. NIC1: IP ...
1
vote
2answers
423 views

PCMCIA NIC with 2 ports

I have a laptop which I want to turn into a PFSense router. To do this I need a minimum of two network ports, which is fine, because I have one built in port and I can purchase a PCMCIA NIC with one ...
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2answers
2k views

Two NIC's 2 Internet Connections, 1 Windows Server 2008 RC2, Routing help required

I have a Windows 2008 server and 4 other client machines on my home network. I have two internet connections. The main connection is setup with a home router and DHCP on that for all the clients on ...
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2answers
2k views

Server 2008, 2 NICs, 2 fixed IPs - big delays using internet

I have an all in one Windows 2008 server, configured with AD/DHCP/DNS/RRAS - all set up with wizards and no specific tweaking. The server has 2 network adapters : one of which ("MyWAN") is plugged ...
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2answers
894 views

NIC Teaming HP Server running Win2003

I'm new to server NIC TEaming. I have a HP ProLiant DL360 G4p running Win2003 with 2 NICs , only one is currently active. I'd like to activate the 2nd NIC connected (in a active/passive state) to a ...
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2answers
737 views

Multi-homed machine with DHCP on isolated network

I'm trying to use DHCP to configure several machines with two NICs. Each machine is multi-homed through one NIC to a network containing the DHCP server. The second NIC is connected to an isolated ...
2
votes
1answer
1k views

PFSense issue with Intel 82576 dual link network cards

We are building some firewalls that run PFSense. The systems use the SuperMicro Super X8DTN+ motherboard, which includes a dual link intel gigabit network card (Intel 82576 controller) I have tried ...
0
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1answer
581 views

Modifying Windows cable-unplugged behavior?

Is there a way to make windows stop dropping the interface every time a cable comes unplugged? I don't care about those little balloons that pop up when the cable state changes, as annoying as those ...
2
votes
4answers
6k views

Two NIC cards with the same metric - Internet traffic going out the wrong one

I have two NIC cards in my computer - one is connected to our corporate network and the Internet, the other is connected to a private LAN through a Linksys WRT54G. Both cards use DHCP. This was never ...