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Questions tagged [interface]

333 questions
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Debian Dmesg Error - What does this output mean regarding an outage on eth1?

The tale of the NIC that quit; I have chucked the end of dmesg output from a server into pastebin; This server (PowerEdge 1850) has two NICs, eth0 and eth1. eth1 has a couple of VLANs defined on it, and those in turn are in different bridges, one…
jwbensley
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Use one NIC to create multiple interfaces for Linux KVM

I am working on a thesis research project, and I am having some difficulty figuring out how to make one NIC spawn several "bridge" interfaces such that each KVM VM can be seen on the local network. I am very new to KVM, and am still exploring what…
Phanto
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Difference between protocol and service interface

I came across the terms Protocol and Service interface while studying the OSI model and as far as I can tell they seem to be doing the same thing. So what's the difference between the protocol and service interface
cjds
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Multiple WAN interfaces on SonicWall TZ 100?

I'm using a SonicWall TZ 100 with a basic configuration of X0 for the LAN and X1 for the WAN. The WAN uses DHCP to obtain its routable IP address. I want to obtain a second routable IP from my ISP. I'm in luck because my cable company will provide…
Chad Decker
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Match logical and physical network interface names

Our company planned to move their hundreds of servers (virtual and physical) to a brand new datacenter infrastructure. First, we have created a spreadsheet which lists the configuration of all the links and between servers and networks equipements,…
hello31
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Binding interface/domain to CouchDB

I'm running CouchDB on a windows 2008 Server and it works good on localhost (127.0.0.1) but when I try to change it to a specific IP or all interface (0.0.0.0) then it doesnt work. I would like to run CouchDB on a specific domain on the standard…
jacksoncage
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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 ... netmask ... gateway ... auto…
Zulakis
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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 default gw (through eth1) and the tcp negociation…
zfou
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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 static address 114.80.156.a netmask…
lxyu
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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 configuration. Meanwhile the command line hints: Running…
steveyang
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Where is remote web interface for Server 2008 R2? For starting applications

I want to be able to start and stop (run and terminate) an application when it's needed, not programmatically but through a web interface. I noticed windows home server has a nice web interface shown in this…
chaz
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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 process so that even though a destination IP might…
mjbraun
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Cacti CDEF function to plot several interfaces on one traffic graph

The final graph I want to plot is similar to below graph. CDEF function to plot this graph manually (through command line) is like: DEF:t1=$RRD_PATH:telnet:AVERAGE \ DEF:t2=$RRD_PATH:smtp:AVERAGE \ DEF:t3=$RRD_PATH:domain:AVERAGE \…
Andrew
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Communication problems on secondary interface tap0

I am using UDP over ipv6 as communication stack. I have network client running on secondary virtual interface tap0. It generates messages for server which is supposed to run on the same interface but different link-scope ipv6 address. I can see…
Amit S
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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 a lot of packets. The strange thing is that all…
Homer5439
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