Questions tagged [interface]
333 questions
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1 answer
Debian KVM host and guests interfaces configuration
I've got dedicated Debian server with Proxmox as KVM manager and such IP example network:
IP address 175.19.59.209
Netmask 255.255.255.224
Gateway 175.19.59.193
Now I'm trying to configure subnets with such…

Daniel
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2 answers
Openwrt two nic on the same vlan instead of alias?
I have a TP-Link WR1043ND with 1 wan and 1 lan cables attached. The lan cable currently have 2 ips of two different network, using an alias. The two networks share the same switch.
I'd like the router to forward between the two.
Currently the…

Sirber
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2 answers
Amazon EC2 instance missing Network Interface
I am running Linux on a t1.micro instance at Amazon EC2.
Once I noticed bruteforce ssh login attemtps from a certain IP, after litle Googling I issued the two following commands (other ip):
iptables -A INPUT -s 202.54.20.22 -j DROP
iptables -A…

Sergiks
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1 answer
Ubuntu: Multiple NICs, one used only for Wake-On-LAN
This is similar to some other questions, but I have a specific need which is not covered in the other questions.
I have an Ubuntu server (11.10) with two NICs. One is built into the motherboard and the other is a PCI express card. I want to have my…

James Womack
- 123
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1
vote
2 answers
How do you change a Cisco ASA 5510 management interface?
I want to add a redundant interface to my Cisco ASA 5510. The management interface is currently using Ethernet0/1 (10.1.25.254/24) one of the interface I want to use for the redundant interfaces. So I wanted to setup Management0/0 as the new…

Sam Sanders
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4 answers
How do I enable an interface to hand out IPs on a certain subnet on a Cisco switch?
I have telnet access to a Cisco switch, only I need to enable an interface so it can start handing out IPs on a certain subnet. What commands do I need to use to get to the interface config file or area? I had another sysadmin show me once, but he…

user65712
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1 answer
Pinging an interface of same network on same host not working
I'm setting up a very basic IPS test, and wondering if an interface on a host pings an interface with a different IP address (of same network) on the same host, will it reply? Will it respond to ARP requests?
I have a setup where a linux box has two…

woodstok
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1
vote
1 answer
Unexpected auto-route after adding a new /29-Net
I added a new Network to a Debian 6.0.1 x86_64 Linux 2.6.32-5-amd64 Server with this configuration in the interfaces:
allow-hotplug eth2
iface eth2 inet static
address 172.251.1.86
netmask 255.255.255.248
network 172.251.1.80 #(tried with…

krissi
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Solaris 8: Assign equal priorities to multiple primary interfaces connected to the same network
I have a machine with Solaris 8, and it has multiple interfaces that are connected to the same network which means they all have metric 0 (1 hop) to the default gateway.
assume:
e1000g0: 192.168.30.70
e1000g2: 192.168.30.72
e1000g4:…

AEG
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1
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1 answer
Bringing up network interface without IP configured in Debian, for XEN dom0
I have 3 NICs that I want to be seen by my domU, even though they're not configured in dom0.
Here's my sample lines from interfaces file
auto lo
iface lo inet loopback
# Local network, cable labeled M3
auto eth0
allow-hotplug eth0
iface eth0 inet…

Karolis T.
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1 answer
Postfix: Source IP-address
I currently have multiple network interfaces on my server. When I try to send mail, through telnet, the IP which i connect to, isn't showing up as the source ip, but the ip of eth0 is showing.
I have set up multiple IP's like this: eth0:0, eht0:1…

Patrick
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1
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1 answer
Check packet vlan tag using Tap virtual interface
I am trying to learn how to implement virtual interfaces using the Tap driver.
So far my understanding is that using the tap driver I can create a virtual interface and then have a userspace program attach to this interface to analyse the data…

ankit
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1 answer
How do I configure multiple IPs on an Ubuntu server with two Ethernet ports?
I am trying to set up four IPs on two Ethernet ports. I figured I will assign one to each and then create aliases for the remaining two.
This is what I did with my limited networking knowledge:
# The loopback network interface
auto lo
iface lo inet…

hakanensari
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1
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1 answer
Linux 2 network card routing depending on the interface used
My server has 2 network card installed and I manage to get it up and running. I can ping both interface but I can not ssh or access any service (ie web/ftp) if I connect using second interface.
Both network card have 2 different IP address and live…

Rianto Wahyudi
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1
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3 answers
Problem with Ubuntu and eth0 interface
I have a problem that I cannot access a web page when using eth0 interface. If I use loopback interface everything works fine.
wget http: //127.0.0.1:8080/app - works ok
wget http: //192.168.50.129:8080/app - connection refused.
I'm doing this on…

markovuksanovic
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