0
votes
0answers
91 views

Routing traffic externally instead of internal loop

I have one Ubuntu box with 2 network cards. I am running netperf on the computer to measure performance of networking equipment, ethernet coming out of eth0 into the switch then back out into the ...
0
votes
3answers
3k views

Failed to bring up eth1 in a dual ips solution in ubuntu

I'm using ubuntu 12.04. I tried to assign two ips to two ethernet cards in my server. The content of /etc/network/interfaces is like this: auto lo iface lo inet loopback auto eth0 iface eth0 inet ...
4
votes
1answer
4k views

Where are ethernet errors logged?

Munin is showing me a graph like this: During that spike, I was unable to access my server through the eth0 port (I could access it through my IPMI port). I'm trying to figure out what happened, ...
2
votes
2answers
593 views

Ubuntu Server forgets how to connect using ethernet

I have encountered a series of errors after my Ubuntu server was restarted. It seems to have forgotten how to connect to my router as it cannot ping local or other IPs. When I start it up it says ...
1
vote
2answers
1k views

Linux bonded Interfaces hanging periodically

I've several hosts that are showing problems with connectivity. When working from the command line, for example, typing is frozen for a second or so, then recovers - then it does it again. The most ...
3
votes
1answer
2k views

Ubuntu Linux - two interfaces, same subnet, different vlan - MAC/ARP issues

I'm attempting to setup a server that needs to have interfaces on the same IP subnet, but different VLANs: eth1.102 Link encap:Ethernet HWaddr 00:50:56:b1:00:0f inet addr:10.1.1.6 ...
2
votes
2answers
267 views

Is it possible to wake a computer connected directly to its NIC?

If two computers are connected by ethernet directly (ie, with no router between them) can one computer wake the other using the magic packet? I ask because it's not working for me and I'm not getting ...
1
vote
2answers
918 views

Ubuntu Server, 2 Ethernet Devices, Same Gateway - Want to force internet traffic through 1 device (or at least allow it to work!)

I have a Ubuntu 10.04 Server with 2 ethernet devices, eth0 and eth1. eth0 has a static IP of 192.168.1.210 eth1 has a static IP if 192.168.1.211 The DHCP server (which also serves as the internet ...
0
votes
1answer
101 views

Server can only make outbound connections

My server is running Ubuntu 10.04 and is connected by ethernet to a router/modem device. The problem is that it's basically ignoring incoming connections. So I can't SSH into it or access the ...
0
votes
3answers
2k views

broadcom 5722 NIC not installed on Ubuntu Server, although driver present

I just installed Ubuntu Server 10.04 LTS, running kernel 2.6.32-24-server, on a brand new Dell T110 server, supposedly fully compatible with Ubuntu Server. I have two NICs: one ONBOARD, the other ...
0
votes
1answer
857 views

ubuntu network interfaces config

I had many ip-s routed to my dedicated server. Interfaces file look like this auto lo iface lo inet loopback auto eth0 iface eth0 inet static address xx.xx.xx.xx netmask 255.255.255.xx gateway ...
0
votes
1answer
299 views

VirtualBox and its own physical ethernet card?

we use an IBM x3500 M3 with two physical ethernet cards. one is actually for the ubuntu which virtualize a mac os x by using virtual box. so there's one unused ethernet card. therefore, i want to use ...
1
vote
1answer
1k views

Connect to wired and wireless networks at same time, Ubuntu [closed]

Currently, I have a media PC running Ubuntu 10.04 that I am trying to connect via a wired network cable directly to a NAS box, and wirelessly to the router. This works no problem after I run sudo ...
0
votes
2answers
957 views

Installing Ubuntu Server fails to detect NIC

O/S: Ubuntu 8.04 Server LTS 64-bit Motherboard: Supermicro x8ste NIC: dual onboard Intel 82574L Installation fails, complaining that no Network Interface could be found.
0
votes
2answers
182 views

Ubuntu through Wireless and VM through Wired

I am trying to do something like this: All networking connections originating from Ubuntu should go through my Wireless connection All the connections originating from within Windows (installed ...
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 ...