Networks – IT Blog

How to set up iBGP in Bird

For example, I will configure the internal BGP protocol in Bird, in my case iBGP was needed in order to transfer user routes from several access servers to a NAT server. As access servers, I configured Accel-ppp (ipoe) and JuniperMX, they all worked simultaneously and balanced users by making an artificial DHCPOFFER delay.

Configuring Juniper MX and ABillS

For example, I will configure the Juniper MX204 to work with the ABillS billing system.

Configuring OSPF in BIRD

In this article, I will give an example of configuring OSPF in BIRD.

Renaming Network Interfaces in Linux

Once, after updating the i40e driver for Intel network adapters, I noticed that the names of the network interfaces had changed, and after rebooting the operating system, the names also periodically changed.

Installing and configuring BIRD (BGP)

For example, I will install BIRD on Ubuntu Server 20.04 and show an example of configuring BGP.

Testing a DHCP server with dhcpperf

dhcpperf is a DHCP load testing tool.

Installing FRRouting on Ubuntu 18.04

For example, I will install FRRouting on Ubuntu 18.04

Description of DNS Amplification Attacks

In this article, I will briefly describe the principle of DDoS DNS Amplification attacks.

Installing and configuring xt_NAT

I will give an example of installing and configuring xt_NAT on Ubuntu Server 14.04 with kernel version 4.4.0-142. xt_NAT may not work on newer kernel versions. According to the developer, it should work on Linux Kernel 3.18 and 4.1. To make it work on newer versions of the kernel, you can find patches.

How to return ethX names to network interfaces

I will give an example of returning the old scheme of names of network interfaces in the Linux operating system.