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4
votes
3answers
395 views

identify physical network device by interface name in linux

I have multiple USB to ethernet devices which are plugged to the same pc. Is there a way to identify which one is mapped to which eth* network interface via usb port/etc ? I have tried looking in ...
0
votes
2answers
114 views

How to perform remote backups on a USB external drive?

I have a server hosting files (~300 Gb) and I need to perform a full backup every week on an exernal USB drive. People without good IT knowledge need to be able to do it too, so it has to be a very ...
2
votes
1answer
438 views

Ping not working from tap interface attached to bridge interface with ip on same subnet as that of bridge to outside

My requirement is to create a multiple tap interfaces, each with ip address on same subnet. I tried this by creating a bridge br0 (192.168.1.199) ...
0
votes
1answer
115 views

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 ...
0
votes
1answer
55 views

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 ...
0
votes
1answer
163 views

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, ...
0
votes
1answer
575 views

How to NAT virtual interfaces

I've created a virtual interface in Ubuntu with the following: sudo ifconfig eth0:0 192.168.1.99 netmask 255.255.255.0 up Now I need to be able to ping from the new virtual interface. ping -I ...
-1
votes
1answer
2k views

Multiple IP - different gateways - one interface - Debian Squeezy

i was reading many answers here and everywhere, but I cannot find the right one. I tried several solutions, but nothing works. I have a server with ONE Interface eth0. I have multiple IP's, but I ...
2
votes
0answers
117 views

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 ...
1
vote
0answers
152 views

linux kernel configuration to filter multicast traffic based on interface

I have two virtual interfaces (eth0.2, eth0.3) in my PC. I am sending multicast data from eth0.2 to eth0.2. Multicast data is received in eth0.2 but also received in eth0.3, the other virtual ...
0
votes
0answers
28 views

How to rout only ftp packets to a particualr interface ppp0 from eth0 in Linux

I need to create an automated script for creating dial up connection and test it using ftp file transfer to a remote server. I have successfully written the script which creates a new dial up ...
0
votes
0answers
47 views

flushed IPs - cannot acces to my server

Edit: If think that there is no problem with IP. However, there is something very strange. Indeed, I've no logs at all. The latest logs was when I restarted my server after removing IPs. OS: Debian ...
0
votes
0answers
100 views

How can I add a new physical interface to an Endian Community Firewall?

I just installed the Community Endian Firewall on my system. But it's just recognizing the first 4 interfaces (after going into shell and doing a ifconfig shows br0, br1, br2 and br3). How can I add ...
0
votes
0answers
172 views

Setting SNMP interface aliases

I've been trying for a long while now to get a set of Allied Telesis switches to display links in OpenNMS. Long story short, I want/ need to set interface aliases for ports. If I use snmpwalk -v2c -c ...
0
votes
0answers
179 views

Is there a way to get Apache to listen on an interface instead of an address?

This may be a bit of an X-Y question: I want to be able to clone and destroy cloud servers and not reconfigure the Listen directive for Apache that only the load balancer can get to. But I don't ...
-3
votes
0answers
18 views

Change NIC index

I know there are several ways to query for the Index number of a NIC on windows (route print from CMD) but I wanted to know if there was a way to change that number to an index number that is not ...