Questions tagged [interface]

333 questions
3
votes
2 answers

Route only packets from specific interface over VPN

So i have 3 interfaces on a host: Interface 1 is facing the external network interface 2 is the tun0 vpn interface interface 3 the local network interface My goal is to route all the traffic from interface 3 (the local network) through the vpn…
bit151
  • 43
  • 1
  • 7
3
votes
1 answer

How to hook an Ethernet over USB connection up to the host-Network?

I have a single board computer that I want to hook up to my lan/internet connection. The SBC doesn't have an Ethernet port, only a an embedded wireless chip which currently isn't working. But it does have USB and I figured that it should be possible…
rudib
  • 135
  • 1
  • 6
3
votes
2 answers

What does the command "ifconfig 0.0.0.0" do?

The question is direct, what does the given command do, and what is it used for? ifconfig 0.0.0.0 I know that 0.0.0.0 means all IP addresses on my local machine. Also if I mess up an interface with this command, how do I reset it?
daltonfury42
  • 179
  • 2
  • 10
3
votes
3 answers

Can't consistently ping both networks of multihomed host

I have a host which is multihomed, eth0 is on 172.31.254.0/24 and eth0.10 is on 172.31.253.0/24 . Obviously eth0.10 is a subinterface on vlan id 10. From this host I can succesfully ping hosts on the 172.31.253.0/24 network but not consistently on…
TSG
  • 1,674
  • 7
  • 32
  • 51
3
votes
0 answers

Debian, IPv6 is not asssigned to interface

I have a Debian 7 Server with several networks and KVM VMs running configured: 2a01:4f8:191:439b::/64 144.72.132.208/29 The IPv6 Subnet is splitted into /96 Networks to assign each bridge a own subnet. auto hetzner0 iface hetzner0 inet…
Victor
  • 31
  • 3
3
votes
1 answer

bridging real and virtual wireless network interfaces

I have 2 wireless interfaces, one real (eth1) and one virtual (vt0), running on top of the same physical wireless adapter. Both have separate IP address spaces. eth1 is connected to a laptop, and vt0 is connected to another system over p2p. I cannot…
3
votes
3 answers

Xen alternative for VMware Infrastructure

Is there any Xen alternative for VMware Infrastructure? Any aggregation and control interfaces?
Martin K.
  • 750
  • 2
  • 10
  • 24
3
votes
1 answer

Routing OpenVPN tunnel in via public interface and out via NAT'd interface (to internet)

I hope someone can help... I want to Configure OpenVPN-AS (i.e. OpenVPN Access Server, NOT OpenVPN) to work on my VPS. The VPS is a KVM running Ubunto 10.04 LTS, with a very vanilla configuration. OpenVPN-AS is likewise installed with only minimal…
zxdavb
  • 31
  • 1
  • 2
3
votes
4 answers

Monitor loopback traffic (monitor MS TCP Loopback inteface traffic) with Microsoft Network Monitor 3.4 - possible?

I've downloaded NM 3.4 from microsoft.com and it appears that the software doesn't capture traffic on MS TCP Loopback interface. When I ping 127.0.0.1 address, NM shows no packets flowing. I've tried both promiscuous / standard NIC mode with no…
colemik
  • 759
  • 1
  • 12
  • 24
3
votes
2 answers

How to set up internal routing between virtual interfaces and real ethernet interface (Linux)

I have a Linux box with one real (as opposes to virtual, a.k.a. aliased) Ethernet interface I can use (eth0 is used for other purposes - can't use it, nor can I add more NICs). Say it's eth1 I need to control some objects/entities via SNMP, so I set…
DavidG
  • 61
  • 2
  • 8
3
votes
1 answer

Programatically extracting interface configuration from the system?

I would like to produce a list of all the interfaces available on a [Linux] system, and for each interface, produce a list of available IP addresses. I was hoping to do this in a more graceful fashion than parsing the output of the ip command while…
larsks
  • 43,623
  • 14
  • 121
  • 180
3
votes
1 answer

How to disable ICMP redirect packets in Cisco IOS?

I'm studying a "good practices" document for Cisco IOS, and one of its controls tells me to disable ICMP Redirect packets in the router. Sounds reasonable. So I go test it in Cisco Packet Tracker (a nifty little network emulator program). In my…
JCCyC
  • 680
  • 3
  • 13
  • 24
3
votes
2 answers

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 them as proof in my project. Thanks
LinuxPenseur
  • 443
  • 1
  • 6
  • 16
2
votes
2 answers

"Symbolic link" for NICs under Linux?

Currently on my Linux server I've enabled bridging so that I can use OpenVPN in bridged mode. Works great. eth0 is connected to the LAN; tun0 is the OpenVPN gateway; these are bridged to a new interface br0. Same server is also functioning as a…
ultrasawblade
2
votes
1 answer

configure trunk interface in linux centos7

I have connected 2 trunk interface to server(centos 7 server) nic port for setup vlan tagging. And have enabled 8021q module in server. Configure two physical interfaces as bonding as below Physical Interface 1:…