I would like to get the NIC driver 64bit statistics in userspace, in the simplest way possible. The man page of API function getifaddrs(), suggests a simple example program that does it using 32bit...

Spring application using Maven including only Spring Web dependency gives "Unable to start embedded Tomcat serve" error. The same project runs on other computers like expected. Spring Boo...

When an error occurs in a Python script on Unix, an email is sent. I have been asked to add {Testing Environment} to the subject line of the email if the IP address is 192.168.100.37 which is the t...

I have to differentiate between the real addresses and the VM addresses using any Windows API. I'm using GetAdaptersAddresses API to populate a list of IP addresses for the local machine. I need to...

I know that for a network card, OS must allocate tx/rx rings for it so that when OS wants to receive/transmit packets, the network card will know where the packets are and which packets are to be t...

How can I programmatically check whether my machine has internet access or not using C/C++, is it just a matter of pinging an IP? How does NIC do it ? I mean something like: I am using Windows 7...

Inside the docker-compose.yaml I define 4 different networks: networks: vpp-nw: vpp-client: vpp-server: vpp-db: which use the following network addresses respectively: 172.20.0.x 172.21.0.x...

I want to set the number of RX/TX queues used by an Intel 10G NIC. Let me explain why: I am using an Intel 10G NIC of type X520, on a Dell R720 system. I am using ixgbe version 3.6.7-k. The kernel...

After creating a new network with: docker network create test-net and running ifconfig on the host, a new interface name is being listed: br-f2b630e4e141 Link encap:Ethernet HWaddr 02:42:48:fe:c...

What is the most efficient way to get all of the external ip address of a machine with multiple nics, using python? I understand that an external server is neeeded (I have one available) but am un ...

I am trying to understand the concept of Rx and Tx descriptors used in Network driver code. Are Descriptors in software(RAM) or hardware (NIC card). How do they get filled. EDIT: So in a Realtek ...

I am using the code below in order to add a NIC configured with DistributedVirtualSwitch to an existing VM (via pyVmomi): def __AddNIC(si, vmconf_dict, network_name): vm = __get_vm(si, vmconf_dic...

I am trying to send UDP with datagram in JAVA and my machine have several NIC with different IP's. How can I set which NIC I want my packet to be sent from ?? (assuming I have more than one on the...

I run ethtool to query the offload features of a NIC using "ethtool -k" command, and the output is something as follows: ethtool -k eth0 scatter-gather: on tx-scatter-gather: on tx-scatter-gather...

We are using MAC addresses to identify PCs as licensed to run software. (Don't care about MAC spoofing; licenses are hard to get :) PCs may have multiple Ethernet controllers (we also don't worry a...

I listed all interrupts with this: cat /proc/interruts it gives this: CPU0 CPU1 CPU2 CPU3 0: 126 0 0 0 IO-APIC-edge timer 1: 941 0 0 0 IO-APIC-edge keyboard ... (etc.) 19: 941 0 0 0 IO-API...

How to get the vendor information of my NIC on top of Ubuntu? I wanna get its vendor, type and things like that? Any shell commands available? Thanks in advance.

I'm trying to come up with a solution to programmatically enable/disable the network card - I've done a ton of research and nothing seems to be a workable solution in both XP and Vista environments...