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0
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0answers
24 views

AR8151 eth0 heavy trouble

First I had really bad issue with network speed. There I got this good article: http://mindmapapp.blogspot.com/2012/01/use-atheros-ar8151-ethernet-card-on.html But now I have really crazy things ...
0
votes
1answer
41 views

How to best monitor/log problems on eth0?

I have manually configured an email server - very simple config and I have done no fancy networking. I simply opened up only the relevant ports via iptables. Once every 10-15 days however, eth0 ...
0
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0answers
37 views

ethernet RX/TX drops to zero, is it normal? No problems at all discovered

I am using Debian Wheezy 7.1 [3.2.0-4-amd64 #1 SMP Debian 3.2.46-1+deb7u1 x86_64 GNU/Linux] and when monitoring eth0 via Slurm or built-in System monitor I am getting: Current RX Speed: 1883.11 KB/s ...
-1
votes
2answers
53 views

Change IP Address of a CentOS System [closed]

I have a unmanaged Dedicated CentOS Server running and I've been trying to get a new IP Address for it. My hosting provider allowed me to buy a new IP Address but it's up to me to actually change it ...
-1
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0answers
20 views

Trying to run the same port on two different IP's [duplicate]

I'm trying to get the port 25565 to bind to two completely different IP's which my host provided me with. These two IP's are run on Java virtual machines, and although they are running on two ...
-1
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2answers
70 views

Trying to bind a port on a completely different IP yet says it is in use

My host has given me a range of usable IP's for example (10.1.2.100 - 10.1.2.105). These did not come pre-bound to the OS, so I manually had to bind them. The only problem I am having is that when I ...
0
votes
1answer
93 views

Server with multiple ipv4 addresses adding ipv6

I've got a dedicated Centos 6.5 server with nginx and 2 ip-addresses (these are 2 ip(v4)-failover addresses from OVH) for hosting 2 different websites on the same server. I want to add ipv6 addresses ...
0
votes
2answers
508 views

Problems with IP Block Proxmox on OVH

I am using Proxmox. That should be clear by the title. I have developed a software program in vb.net that generates network configurations, and I just copy and paste to the correct files. I am using ...
0
votes
1answer
48 views

looking for ftp client or web browser which can assign network interface

Does anyone know of an ftp client (or web browser), which allows me to specify (or assign) a network interface explicitly (like eth1 for example) during usage? Something for Linux would be good.
1
vote
3answers
941 views

How to Ping explicitly from eth1 instead of eth0

I'm trying to execute a ping with eth1, but the program uses eth0(the default network device). Any tips, tricks, or alternate techniques available?
1
vote
2answers
1k views

How do I configure Xen's virtualization of interfaces (eth0 to peth0)?

I installed Xen a while ago but had not yet booted up with the hypervisor. Well I did yesterday and all hell broke loose. I completely lost internet connectivity on my server because of Xen. When I ...
0
votes
2answers
385 views

Ucarp start error on Centos 6 : “You must supply a valid host id”

I'm trying to get ucarp working on 2 Centos 6 servers running Apache. I've configured both /etc/sysconfig/carp/vip-001.conf and /etc/sysconfig/network-scripts/eth0 and eth0:0 as such on serv1: ...
0
votes
1answer
965 views

How to enable eth0 on a cloned RHEL VM running in Windows Server 2012?

Due to a critical personnel shortage, I (not a willing sysadmin!) have been given a RHEL 6.1 VM image with the request that it be migrated to a server running Windows Server 2012 with HyperV. The ...
0
votes
0answers
80 views

Migration in the vCenter changed network interface in a CentOS virtual machine

I have a vCenter 5.1 and two hosts with ESXi 4.1 (Host1) and ESXi 5.1 (Host2). They are working fine. I migrated a CentOS from host1 to the host2. The state of the virtual machine was "powered off", ...
3
votes
3answers
7k views

How to “restart” particular network interface on RHEL?

In RHEL, instead of using service network restart command, how can i restart a particular network interface, lets say "eth1", with only one command. "Only one command" because that is the only ...
1
vote
2answers
1k views

Debian: Can't bring eth0 down or up with ifdown or ifup

I can't bring eth0 down or up with ifdown or ifup ifdown: interface eth0 not configured but ifconfig shows me eth0 Link encap:Ethernet HWaddr 00:16:3e:4d:09:5f inet ...
1
vote
2answers
142 views

Cannot attach CentOS VMs via DHCP following router swap

I recently swapped out an old Netgear modem/wireless router and replaced with a ZyXel P660HW-T1 supplied by our ISP. I have configured it so that the new router has the same IP address, subnet mask, ...
0
votes
0answers
179 views

“Connection refused” after setting up IPv6 on Debian

I just set up IPv6 on Debian Squeeze on a hosted root server. Since I rebooted I can't connect to the server anymore. Ping is fine, but HTTP and SSH won't work. When I try to connect with SSH using ...
1
vote
0answers
220 views

ESXi 4.1 CentOS 6.X eth0 unnavailable

I don't usually ask for help so directly, usually google have all i need but this time i'm seriously lost. Hope you can help me .s The thing is, i have a server with Vmware ESXi 4.1 and 5 already ...
1
vote
0answers
101 views

XCP Project Kronos syslog error: “irq … : nobody cared” on Dom0 host

One of our production clusters driven by XCP suddenly went uresponsive. After restart and some investigation we found such logs in dom0 machine syslog: Oct 26 20:32:03 hetzner-2-mrx kernel: ...
1
vote
2answers
184 views

routing eth0:1 directly to kvm VM

Ive got a Dedicated Server with 2 Public IP Adresses and would like to route all eth0:1 traffic to a KVM Guest via iproute2 or even iptables. Outgoing Traffic should also be routed to eth0:1 - eth0 ...
5
votes
3answers
17k views

CentOS: eth0 not starting on boot

Whenever I reboot a CentOS Hyper-V VM, eth0 does not start automatically. All I need to do is perform ifup eth0 and all is fixed, but that isn't feasible from ssh! I am starting in runlevel 3. ...
0
votes
3answers
536 views

Bridge ppp0 and eth0

I have seen many posts explaining bridging eth and wlan interfaces. I would like to know if it is possible to bridge ppp0 interface (a USB modem) and eth0. I have a working internet connection through ...
0
votes
1answer
2k views

Added eth0:0 configuration but fails on ifup with “RTNETLINK answers: file exists”

I have an Ubuntu Server I'm adding some interfaces for and I can't figure out what I am be missing. Here's my /etc/network/interfaces/ auto lo iface lo inet loopback # The primary network interface ...
2
votes
2answers
610 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
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0answers
141 views

Multiple NICs config, disconnecting eth0 disconnects all other interfaces

Good Day, I'm using hardware that streams data, it has 4 Lan ports and is running Linux 2.6.23. I've run into some strange behavior with ARP tables reporting multiple IP addresses to single MAC ...
0
votes
2answers
3k views

Configuring Static IPs on CentOS 6.2

I am a complete Linux newbie, but we have quite a few spare Dedicated Machines available right now, so I decided to setup CentOS 6.2 on one of them and start getting more familiar with it. Obviously ...
0
votes
2answers
701 views

Fedora 15: em1 recently dissapeared and hostapd no longer serves internet to wirelessly connected devices

I have a laptop running hostapd, phpd, and mysql. This laptop uses an Ethernet connection to connect to the internet and acts as a wireless access point for my workplace's wifi devices. After ...
1
vote
2answers
288 views

Two network adapters with the same ip

I have two network adapters that use the same ip range, but are different networks. I tried this but it didn't work: iptables -t nat -A OUTPUT -p all -d 1.2.3.0/8 -j DNAT --to-destination ...
8
votes
3answers
30k views

CentOS ifcfg-eth0 config file deleted. Utility to recreate it?

On CentOS I no longer have a ifcfg-eth0 configuration file (I deleted it). When I run system-configure-network it shows no interfaces that I can edit. How can I recreate the ifcfg-eth0 configuration ...
1
vote
0answers
421 views

Linux: single NIC is named eth0/eth1 due to udev and MAC-based rules. Kinda weird

I have a motherboard with onboard NIC (single Ethernet NIC in the computer); also USB port is constantly occupied with Wifi dongle. in my /etc/udev/rules.d/70-persistent-net.rules, found this: # PCI ...
0
votes
2answers
869 views

Check by program if eth link is up or down on linux o.s. …and kernel 2.4

I need to check the change in the status of eth connection ( link up and link down ) by program ( using c or perl ). Now I using the keepalive way, but i sometime loose the notification. Inside the ...
1
vote
1answer
2k views

eth0:0 is configured but not listed in ifconfig output

I have the following problem: My server was given two IPs from [b]different[/b] subnets. Now I am trying to configure the system to work properly. I have created [root@server ~]# cat ...
2
votes
2answers
3k views

Bridging Network Devices with Multiple IPs

I have a small server with a single NIC that I am trying to get a bridge functioning on so that I can run KVM. On this NIC I have a couple IPs statically assigned to it: eth0 = 192.168.1.1 eth0:1 = ...
1
vote
1answer
1k views

How do you route traffic thru eth0 and eth1 in FC5?

I have a site that uses eth0, which is a saturated gbit line, to deliver streaming media. I want to setup a separate "premium" line on eth1, to give special users "priority access" to the site. I have ...
15
votes
2answers
23k views

How to reload default Mac OSX routing table without rebooting

Greetings, I'm using vpnc for a VPN client. I'm also doing some tricky things with route to make sure I can still access my local network, etc. etc. (the particulars here are not very important). ...
1
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4answers
2k views

Should eth0:0 have the same IP as eth0?

I've recently installed Gentoo on a dedicated server. I have 6 IPs, and I forgot to write down one config before I erased the CentOS install. Should I have eth0 = ip1 eth0:0 = ip2 eth0:1 = ip3 eth0:2 ...
0
votes
3answers
562 views

Can't get an IP address

I'm running Ubuntu 9.04. I have an onboard network card. The computer usually boots perfectly, but today, I don't have an IP address. The light is on, on the network card as well as the switch. Other ...
2
votes
1answer
2k views

How To Add Multiple /24 Network IPs in Ubuntu

We have a client who needs to set up 2 Class C (/24) address ranges in Ubuntu. We have a single nic connected to the switch currently and the IPs are set up at the switch. We have done this many ...