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Questions tagged [eth0]

55 questions
82
votes
4 answers

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). Sometimes I get the routing table so jacked up I get…
Nate Murray
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29
votes
3 answers

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?
user185814
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19
votes
4 answers

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 interface where my ssh is working on also. So if i'm…
夏期劇場
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17
votes
6 answers

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 file? (Like the CentOS installer does) I can…
unixman83
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10
votes
6 answers

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. [root@localhost ~]# cat /etc/*release* CentOS release…
Cameron Aziz
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5
votes
1 answer

Reset eth0 to move ubuntu server 14.04

New Ubuntu Server 14.04 instance for installation on a dedicated server. Everything required is setup as a vbox guest then I add the drive to the allocated server. When I was using 12.04, my last step would be to rm -f…
MasterJohn
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5
votes
2 answers

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 = 192.168.1.2 eth0:2 = 192.168.1.3 eth0:3 -> Assign…
Andy
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3
votes
2 answers

Can't set a second network interface on a second ethernet port Debian 3.16

My goal is to set two ethernet interfaces on two different ports and with two differents static IP on the same network. The matter is that one port will become reachable by the two IPs, the other won't. I proceed with the /etc/network/interfaces…
koyaaniqatsi
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3
votes
3 answers

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 ppp0 interface. I want a DHCP server set up…
Jerrin George
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3
votes
1 answer

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 times in RedHat based systems by using the…
Dave Drager
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2
votes
0 answers

Production servers can suddenly not access the internet anymore

Problem All Production Servers were suddenly not able to access the internet anymore, while four other Servers connected to the same VLAN and same eth0 settings can. Figure 1: System 1 represents the four systems which are able to access the…
030
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2
votes
2 answers

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 start up my server and eth0 is not inside of br0,…
NobleUplift
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2
votes
1 answer

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 image came to me as an ISO, so I think it's from…
DeeDee
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2
votes
2 answers

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 addr:192.168.0.3 Bcast:192.168.0.255 Mask:255.255.255.0 It's a…
supernova
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2
votes
2 answers

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 Waiting for network configuration Waiting 60 more…
Michael
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1
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