2
votes
2answers
182 views

Consistent Naming of 10gbps Interfaces on Dell Host

I have some Dell hosts in our environment. I would like to be able to provide consistent network interface naming across platforms. I know that biosdevname attempts to make the interfaces consistent ...
1
vote
2answers
167 views

How to set ip address permanently

This might sound a little strange, but I try to achieve to set up an ip address permanently in Ubuntu using the command line, but not an editor. My idea is to provision servers and just type in the ...
0
votes
2answers
93 views

Linux VM's connectivity dies when second network interface is brought up

I'm in the middle of doing some testing on a mobile device, and want to test it from the network. The mobile device will only connect to networks via WiFi, and doesn't support ad-hoc mode, so I've set ...
1
vote
3answers
408 views

Bring up a virtual interface without checking if it's up elsewhere

Is there a way to bring up a virtual interface without it first sending an arping to check if that IP address is already in use elsewhere? I'm working with a proprietary product that recommends ...
0
votes
1answer
39 views

Ping Interconnected PCs End-To-End

I have the following network topology: [PC 1] - - - [PC 2] - - - [PC 3] - - - [PC 4] Each machine is connected via a crossover cable. I can ping from PC 1 to PC 2, but how can I configure things so ...
1
vote
1answer
173 views

Cisco Nexus: list all interfaces with their ips

This is the same as this question, but for Nexus: Junos: find out each interface's ip I need to show all interfaces with their respective IPs. I know that on IOS I can get that with show ip ...
1
vote
2answers
1k views

Problems bringing up a second virtual network interface

I'm having issues adding a second IP address to one interface. Below is my /etc/networking/interfaces # The loopback network interface auto lo iface lo inet loopback #eth0 is our main IP address ...
0
votes
3answers
1k views

Ubuntu second static IP, ifconfig, /etc/network/interfaces

I would like to add a second static IP to my local Ubuntu 11.10 desktop machine and have it automatically available after rebooting. So far I am successfully using ifconfig to to temporarily set up an ...
1
vote
1answer
472 views

How to execute a script only once, immediately after ALL network interfaces are up in OpenSUSE?

I run Opensuse 12.2. I have 3 network interfaces, eth[012] The interfaces are configured in /etc/sysconfig/network/ifcfg-eth[012] I want to execute a script immediately after ALL three interfaces ...
1
vote
1answer
155 views

Route Traffic Through Linux Server With Two Devices

Here is my current setup (all servers are Ubuntu Server Edition 12.04): Server 0 has two devices, eth0 and eth1. eth0 is connected to the wall (the internet), and eth1 is connected to a switch. ...
1
vote
1answer
215 views

Static network interface settings in Ubuntu [closed]

I am following the guide here to configure a fresh Ubuntu 12.04 server installation (running in VirtualBox) with a static IP address. The recommended configuration in /etc/network/interfaces is: auto ...
1
vote
1answer
328 views

Writing to /etc/networking/interfaces at boot using sed/awk?

Newbie here, I'm trying to write to an auto-generated /etc/network/interfaces file of a newely provisioned XEN Ubuntu (12.04/10.04/8.04) DomU server at boot time using (currently) sed. The ...
0
votes
3answers
105 views

default virtual network interface

I got a single ethernet connection to a network but with multiple ips. Because of this, I am using virtual network interfaces like this: auto intern iface intern inet static address ... ...
0
votes
1answer
182 views

How to setup an Openvpn server with two gateways to internet

I have an openvpn server behind two wan interfaces: eth1 and eth2 where eth1 is the default gw and eth2 is where openvpn binds to. The problems my ovpn server is replying back to ovpn client via the ...
1
vote
1answer
2k views

Debian KVM host and guests interfaces configuration

I've got dedicated Debian server with Proxmox as KVM manager and such IP example network: IP address 175.19.59.209 Netmask 255.255.255.224 Gateway 175.19.59.193 Now I'm trying to configure ...
3
votes
2answers
445 views

Does the network need to be restarted after editing /etc/network/interfaces?

On Debian - Say I have a network card eth0 on my /etc/network/interfaces file, and I want to add a new interface to it (that uses dhcp). Is it necessary to restart the networking service ...
0
votes
1answer
164 views

Cannot reset an network interfaces without a reboot

I have edited the /etc/network/interfaces file and I use the sudo /etc/init.d/networking restart. After restart, the eth1 interfaces don't setup properly. I need a hard reboot to enable this ...
1
vote
5answers
2k views

Virtual interfaces with default routes

My Ubuntu Server has one physical interface eth0. I want to assign 3 ip's (different subnets) to the server. I cannot use the default virtual interface creation tools like ifconfig or ip addr add ...
2
votes
2answers
279 views

Networkconfig on Debian-based Linuxes

Question: I've some Debian or Ubuntu based servers here with allow-hotplug eth0 and some with auto eth0 in /etc/network/interfaces. What is the difference between them? If I'm correct, both ...
0
votes
2answers
554 views

Ubuntu Server gateway networking issues on VMware Workstation

I have two Ubuntu 10 Server VMs on VMware Workstation, using bridged networking. I want to route internet traffic to ServerB through ServerA. At the moment, ServerA can access the internet, but not ...
2
votes
2answers
821 views

ip over specific network interface

I have two network interfaces with respective ips eth0 : 192.168.70.153 eth2 : 192.168.70.155 when I make route -C Kernel IP routing cache Source Destination Gateway ...
1
vote
2answers
6k views

how to configure modprobe to recognize newly installed driver for eth1 on bootup?

I have a server running Debian 6. My motherboard has two interfaces, eth0 and eth1. Debian does not have a driver for eth1 (e1000e), so I installed the driver provided by Intel (e1000e-1.4.4). ...
1
vote
1answer
340 views

Solaris 8: Assign equal priorities to multiple primary interfaces connected to the same network

I have a machine with Solaris 8, and it has multiple interfaces that are connected to the same network which means they all have metric 0 (1 hop) to the default gateway. assume: e1000g0: ...
2
votes
3answers
402 views

Linux router with 4 NICs not working

I'm setting up a Linux based router, with 4 NICs, and I can't seem to convince it to work, despite following steps suggested on various web sites. Each interface is on a separate subnet as follows: ...
1
vote
1answer
593 views

eth0 doesn't start after interfaces modification

Just installed Ubuntu Server 10.04 on VMWare ESXi 4.0.0 (201167) and changed the interfaces file. My (modified) interfaces file looks like this: auto lo iface lo inet loopback iface eth0 inet ...
0
votes
2answers
305 views

Windows to configure IIS Website to use a particular physical network interface

How to configure on Windows 2003 server such that:- when I access my website on the server, it uses IP address A.A.A.A when my program runs it uses IP address B.B.B.B Both A.A.A.A, B.B.B.B is ...
1
vote
1answer
5k views

How do I configure multiple IPs on an Ubuntu server with two Ethernet ports?

I am trying to set up four IPs on two Ethernet ports. I figured I will assign one to each and then create aliases for the remaining two. This is what I did with my limited networking knowledge: # ...
2
votes
2answers
1k views

How do I configure an interface to have *both* a DHCP address and a static address in Ubuntu?

In a lab setup, I want eth0 on a Ubuntu server box to get a DHCP address for talking to the outside world, and I also want to assign it a static 10.x.y.z address for talking to other boxes on the ...
5
votes
2answers
3k views

/etc/interfaces file for multiple gateways, same network? (linux)

I've got my ip routing table setup as I'd like it: # ip r s 10.1.248.0/24 dev eth0 proto kernel scope link src 10.1.248.11 default via 10.1.248.1 dev eth0 metric 100 default via 10.1.248.3 dev ...
3
votes
3answers
675 views

Round robin through multiple interfaces

I'd like to alternative between networking interfaces to a particular ip. For example: Request to 192.168.1.5 // uses interface 1 Request to 192.168.1.5 // uses interface 2 Request to 192.168.1.5 ...
6
votes
3answers
573 views

Why is there less latency on loopback than on a carp interface?

Stack Overflow Careers is served up something like so: user -> internet -> our fw -> nginx -> haproxy -> web farm FreeBSD is the operating system in use no firewalling or QoS is in ...
1
vote
2answers
748 views

How can I setup apache+mod_proxy so when I connect to mod_proxy on interface X, it sends the traffic out on that specific interface?

We use a service that allots us X number of requests per IP and has allows us to setup 5 IPs with such a limit (I know.. it seems stupid they could not just up the limit 5x on one IP). Pretend I ...
7
votes
1answer
15k views

Two network adapters on Ubuntu Server 9.10 - Can't have both working at once?

I'm trying to set up two network adapters in Ubuntu (server edition) 9.10. One for the public internet, the other a private LAN. During the install, I was asked to pick a primary network adapter ...
1
vote
1answer
148 views

How to fill in the network line in the ubuntu interfaces config file?

I have to configure an ubuntu hardy server network interface. The service hoster told me that this is the network data for the machine: IP Range: 111.111.200.74 to 111.111.200.78 Netmask: ...
0
votes
2answers
66 views

How to declare an interface as down under defined circumstances?

I would like to know if there are any way (under Linux, of course) to declare an interface as down if I got more than X % of packets errors or more than X % of collisions. Any idea ? Regards,
0
votes
3answers
3k views

Ubuntu Server - Two Interfaces Living Together (in perfect harmony)

Our server has three ethernet interfaces. I have one plugged into the cable modem (for static ip), and one plugged into the router (for access to the rest of the work network). I'm pretty sure that I ...
0
votes
5answers
2k views

Can't see other network interface in Debian Etch

I know there are two physical network interfaces in our server (haven't seen it live, but person from datacenter confirmed two ethernet sockets). Problem is, I can only see one via ifconfig -a. At ...