Questions tagged [interface]

333 questions
1
vote
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
  • 123
  • 1
  • 10
1
vote
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
  • 328
  • 5
  • 18
1
vote
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
  • 249
  • 3
  • 5
  • 11
1
vote
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
  • 4
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
  • 173
  • 4
  • 6
  • 18
1
vote
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
  • 387
  • 1
  • 8
  • 17
1
vote
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
  • 131
  • 5
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
  • 3,387
  • 1
  • 19
  • 22
1
vote
1 answer

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
  • 11
  • 2
1
vote
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.
  • 2,719
  • 7
  • 33
  • 45
1
vote
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
  • 11
  • 1
  • 2
1
vote
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
  • 171
  • 4
  • 13
1
vote
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
  • 113
  • 2
  • 7
1
vote
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
  • 493
  • 3
  • 11
1
vote
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
  • 277
  • 1
  • 4