1
vote
0answers
38 views

heartbeat doesn't work on virtual interface

I try to use vertual interface as broadcast for heartbeat(bcast in ha.cf). When I try it I see this message in syslog: May 23 12:17:26 Ubuntu2 heartbeat: [1107]: ERROR: glib: Error setting socket ...
2
votes
2answers
166 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 ...
0
votes
1answer
40 views

If one subnet can see another does that mean that there is a bridge between two interfaces?

This might seem like kind of a dumb question, but...say for example... I have a router running OpenWRT or some Linux distro and that router or box has two interfaces (lets say for sake of example a ...
1
vote
2answers
160 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
1answer
260 views

what is the use of /etc/udev/rules.d/70-persistent-net.rules file in rhel?

what is the use of /etc/udev/rules.d/70-persistent-net.rules file in linux? is anyother way to change interface name in linux other than 70-persistent-net.rules? Thanks.
-3
votes
1answer
433 views

How can I ping through different interfaces (subnets) without using a router device?

I have a big problem around this issue. I want to be able to ping and access TFTP through my WIFI interface (wlan0) through my wired interface (eth0) pc1_eth->LTdhcps2_eth0->LTdhcps2_wlan0->pc2_wlan ...
1
vote
3answers
325 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 ...
12
votes
4answers
2k views

How to identify NICs that are connected to the same switch from a Linux box?

Initial Setup As a Linux administrator you have installed a fresh Linux box with 6 NICs eth0 to eth5. The eth0 interface is correctly configured and all other interfaces are currently up but without ...
1
vote
1answer
190 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 ...
2
votes
2answers
257 views

Do newer physical interfaces make a better linux firewall?

At work we use an old (10 year old) linux box with 4 interfaces to act as router/firewall for the network. There's never really been a need to change it since it's stable and handles all our needs. ...
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 ... ...
3
votes
3answers
2k views

linux vlan routing

I've got this network topology: network 192.168.100.0/24 vlan 100 network 192.168.200.0/24 vlan 200 one ubuntu server(2 vlans on 1 ether) eth0.100 (ip:192.168.100.10/24) eth0.200 (ip: ...
0
votes
1answer
694 views

How to set network interface affinity under Ubuntu Linux?

I have a multihomed linux box with 6 network interfaces that I'm using to run some tests of router hardware. I would like to be able to set "NIC affinity" (for lack of a better term) on an arbitrary ...
0
votes
1answer
139 views

Linux: Interface statistics missing packets?

I have a server with a network interface connected to a switch port that is configured to mirror all the traffic that goes through the switch, which means that if I run tcpdump on that interface I see ...
0
votes
2answers
524 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 ...
4
votes
1answer
2k views

Syntax for include files in /etc/network/interfaces

I want to organize interface aliases (for example eth0:1) in separate files (/etc/network/conf.d/eth0_1.cnf). Anyone know the syntax to load this external file from /etc/network/interfaces, or where ...
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). ...
2
votes
3answers
389 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: ...
0
votes
4answers
427 views

creating interface in linux

I have a tunnel with a third-party computer. This tunnel iface has the ip address of 10.244.248.126. The third-party just told me that there is an ACL that will allow only IPs from the range ...
3
votes
2answers
1k views

Hostname resolution in a machine with multiple running eth ports

Consider a machine having 4 eth ports running on it. Then to which eth port's ipaddress will the hostname resolve to? Kindly guide me to some documentation to support your answers so that I could use ...
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 ...
0
votes
3answers
254 views

debian lenny : problem modifying static ip

i'm trying to change a static ip assigned to a debian VM. I modified the /etc/network/interfaces file but my debian doesn't seem to like the new settings currently the machine's ip is set to ...
5
votes
4answers
2k views

Is there any way to force my Linux box to always boot up with a self-assigned IP address?

This is perhaps an unusual request: I'm trying to get a Debian Linux box to always give itself a self-assigned IP address (i.e. 169.254.x.y) on boot. In particular, I want it to do that even when ...
0
votes
3answers
336 views

Connecting Linux system to switch from 2 interfaces

To get proper redundancy, we've installed 2 switches in our network and connected them to eachother. We now want to hook our servers to both switches. Since all servers have 2 ethernet ports, this ...
0
votes
3answers
77 views

Connecting Linux system to switch from 2 interfaces [duplicate]

Possible Duplicate: Connecting Linux system to switch from 2 interfaces To get proper redundancy, we've installed 2 switches in our network and connected them to eachother. We now want to ...
1
vote
1answer
1k views

interfaces/static IP problem - Debian

I'm trying to configure my Debian machine (Lenny) to use a static ip address. Here's what my interfaces file currently looks like: # This file describes the network interfaces available on your ...
1
vote
2answers
738 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 ...
1
vote
1answer
250 views

How to prevent response to who-has requests on virtual eth interface?

we use small embedded X86 linux servers equipped with a single physical ethernet port as a gateway for an IP video surveillance application. Each downstream IP cam is mapped to a separate virtual IP ...
1
vote
1answer
146 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,
5
votes
2answers
2k views

Linux email server for sending email from multiple IP addresses

I'm trying to setup an email server so it has the capability to send email from multiple IP addresses, so our marketing system can send email from multiple domains, while keeping the reverse DNS ...