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Questions tagged [interface]

333 questions
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Can I easily change Sonicwall's rules from one interface to another if I physically change interfaces?

In our Sonicwall, we want to unplug our cat5 cable from X0, and instead use a optical fiber into X16. But this would mean changing all our rules (we have many VLAN sub-interfaces and firewall rules). Is there an easier way to pull this off than to…
Magmatic
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reg query inside unknown keystring

Is there a way to reg query into an unknown keystring? What I mean by this is if I do reg query HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\ the entries will differ on every single server. However, in our…
tek0011
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Is it possible to configure carp using /etc/network/interfaces?

Lots of tutorials out there show to set-up carp using ifconfig: https://www.netbsd.org/docs/guide/en/chap-carp.html I'm wondering if it's possible to do the same using /etc/network/interfaces? For instance, how can I duplicate this: # ifconfig carp0…
moomima
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Adding static IPs on a p1p1 interface in ubuntu 14.04

I'm wondering if anyone can give me a rundown for networking configurations in ubuntu when the interfaces are p1p1 etc. I have tried p1p1:0 (like eth0:0) for secondary IPs to no avail. If someone could show me how to modify /etc/network/interfaces…
UKtech2
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how to connect/bridge two interfaces on different processes

I have two processes A and B (simulating real hardware device), each with their own TAP interfaces. If I want to send an ethernet packet to A, I send it on interfaceA, and similarly if I want to send a packet to B, I send it to interfaceB. I'd like…
brainydexter
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Can we add post commands with the salt network module?

I'd like to add post-up and post-down commands to my network interfaces. Can salt.states.network do that ? If not what would be the best way to add them using salt knowing that I can't simply add them at the end of the file since there is other…
Nicolas BADIA
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Linux: Duplicate network interface to simulate link failures

I run Ubuntu. I need to add some latency and/or some network errors to see if my application can handle with network failure ( connecting & disconnecting ). I found "tc" tool which will be helpful to add latency and make the interface more faulty.…
Adam
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Iptables unable to allow ssh through second interface

I am having an issue where as I am unable to get SSH outgoing connections to be preformed with my current firewall rules from my second interface (eth2). The machine I am trying to connect from has two interfaces named eth1 and eth2. Their IP…
user2539988
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Routing tables in OS/X Mavericks - causing traceroute: sendto: Cannot allocate memory

OS/X does most of its routing based on the order of the interfaces in 'Network Preferences'. I need to separate traffic, so I've put the default route first, and then routed traffic to the second interface. The problem is that, after using the route…
Peter Brooks
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interfaces stopped working

I have a cisco machine with centos 6.5 installed on it and all of a sudden my network interfaces stopped working. When trying to restart the network service with /etc/init.d/network restart I got the error: ** (process:6538): WARNING **:…
il-fox
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Blocking incoming traffic for interface

I have created an interface eth0:2 and I want to make curl requests from that interface only so I want to block all ports and incoming traffic on that interface. This iptables rule used to work, but for some reason it doesn't anymore: iptables -A…
Malez
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Multiple net interfaces ubuntu virualbox

I have a Virtual Box machine with 2 net adapters, first is an "internal net" and the second a "bridge adapter". How could I config both for have an static ip for the internal network and a dynamic ip for bridge? I tried modifying…
tato469
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Using separated interface for virtualbox machine

I have a server connected to two network interfaces (via two different Internet services providers). The server runs Ubuntu OS. I want to use exactly one of the interfaces only for a virtualbox machine that runs on the server (dedicated interface to…
Gari BN
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Server with 3 network cards

Totaly edited: I have 3 nic with links eth0 eth1 eth2. I made 3 table T1 T2 T3. In /etc/network/interfaces i wrote: auto eth0 iface eth0 inet static address 1.0.0.1 netmask 255.255.255.0 post-up ip route add 1.0.0.2/32 dev…
user785415
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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 wireless one and a NIC connected to a switch). If…
leeand00
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