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4
votes
3answers
434 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
133 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 ...
0
votes
2answers
643 views

Ubuntu Server gateway networking issues on VMware Workstation

I have two Ubuntu 10 Server VMs on VMware Workstation, using bridged networking. I want to route internet traffic to ServerB through ServerA. At the moment, ServerA can access the internet, but not ...
0
votes
2answers
366 views

Apple file sharing: bind to a specific interface

My customer have an office small office with just a wifi router. He use this router for internet connectivity and file transfer operations between the desktops. Recently the file transfer activity ...
2
votes
1answer
556 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) ...
1
vote
1answer
195 views

SSH timeouts between hosts which are connected via multiple routes

I've a nasty problem with ssh connections between hosts, which are connected via multiple ways (routes). To explain this in detail ... As you can see, there are two possible ways between the hosts, ...
1
vote
1answer
604 views

How to execute a script only once, immediately after ALL network interfaces are up in OpenSUSE?

I run Opensuse 12.2. I have 3 network interfaces, eth[012] The interfaces are configured in /etc/sysconfig/network/ifcfg-eth[012] I want to execute a script immediately after ALL three interfaces ...
1
vote
1answer
454 views

Writing to /etc/networking/interfaces at boot using sed/awk?

Newbie here, I'm trying to write to an auto-generated /etc/network/interfaces file of a newely provisioned XEN Ubuntu (12.04/10.04/8.04) DomU server at boot time using (currently) sed. The ...
1
vote
1answer
695 views

How to configure a second IP address (to bind it to a VBoxHeadless virtual machine then)?

I've requested my ISP to dedicate me a second Internet IP address and have got it. Now I need to configure it (I've never had any experience with using multiple IP addresses on one network interface) ...
0
votes
1answer
690 views

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 ...
0
votes
1answer
123 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
57 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
56 views

Can I assign a virtual interface (VPN) to a 'real' interface / NIC of my choice?

I have a small server , running MINT linux with two NICS (eth0 and eth1) and I'd like to setup the MintBox as a VPN client to connect to a web-hosted VPN server. All works wonderfully on the VPN ...
0
votes
1answer
335 views

how to forward all traffic on specific interface to ip address

I have one Linux machine that have 2 interfaces. The first one is used as a default one and provides access to internet, the second interface was added as a dedicated link to send packets from tcpgen ...
0
votes
1answer
801 views

what is the use of /etc/udev/rules.d/70-persistent-net.rules file in rhel?

what is the use of /etc/udev/rules.d/70-persistent-net.rules file in linux? is anyother way to change interface name in linux other than 70-persistent-net.rules? Thanks.
0
votes
1answer
41 views

Ping Interconnected PCs End-To-End

I have the following network topology: [PC 1] - - - [PC 2] - - - [PC 3] - - - [PC 4] Each machine is connected via a crossover cable. I can ping from PC 1 to PC 2, but how can I configure things so ...
0
votes
1answer
169 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
605 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
3k 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
152 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
87 views

heartbeat doesn't work on virtual interface

I try to use vertual interface as broadcast for heartbeat(bcast in ha.cf). When I try it I see this message in syslog: May 23 12:17:26 Ubuntu2 heartbeat: [1107]: ERROR: glib: Error setting socket ...
1
vote
0answers
30 views

“Breadcrumbs” for series of hostnames?

Does anyone know of a shell that would show a series of breadcrumbs as I navigate into/out of various servers, like this: Home > Build Machine > Vagrant > Docker-base Hopefully it could ...
1
vote
0answers
158 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
37 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
22 views

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 ...
0
votes
0answers
115 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
166 views

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 ...
0
votes
0answers
217 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
206 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 ...
0
votes
0answers
78 views

Adding an IP range to SuSE 11

I'm looking to at a /22 to eth0 in addition to the address that is already bound to than interface. I'm familiar with using ifcfg-eth0-range0 in Redhat to accomplish something like this, but not how ...