Networks – IT Blog

How to find out on which NUMA node network interfaces

I will give an example of viewing on which NUMA node the network interfaces are located in Linux.

Installing and Using NetHogs on Linux

NetHogs is a network monitoring tool.

LACP. Configuring Link Aggregation on D-Link Switches

Link aggregation is a technology that allows you to combine several physical channels into one logical channel, which increases the bandwidth and reliability of the channel.

Installing and configuring FreeRADIUS

Installation on Ubuntu:

Disabling IPv6 on Linux

Check if ipv6 protocol support is enabled or disabled (0 – on, 1 – off):

arping – a utility that sends arp packets to a specified host and displays responses.
It is executed from the root user, in Linux, for this, from under a regular user, you can append before each sudo command.

Captive portal. Configuring ncsi redirect

I will give an example of setting up forwarding clients without money to the captive portal when connecting to the network.

Installing and Using the TCPTrack Network Console Monitor

Ubuntu / Debian installation command:

Console speedtest

Installation on Ubuntu / Debian:

Tuning nf_conntrack

In this article I will give an example of optimizing the parameters of nf_conntrack for a high-loaded NAT server.

Category Archives: Networks