One day, several technical specialists who connect the Internet to users began to complain that there was no speed and ping requests “dropped out”.

Vyacheslav Gapon – personal blog, manuals, articles, notes, development
One day, several technical specialists who connect the Internet to users began to complain that there was no speed and ping requests “dropped out”.
I will show an example of running iPerf to test network bandwidth using UDP Multicast.
Continue reading “iPerf Mulicast”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.
Continue reading “How to set up iBGP in Bird”For example, I will configure the Juniper MX204 to work with the ABillS billing system.
Continue reading “Configuring Juniper MX and ABillS”In this article, I will give an example of configuring OSPF in BIRD.
Continue reading “Configuring OSPF in BIRD”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.
Continue reading “Renaming Network Interfaces in Linux”For example, I will install BIRD on Ubuntu Server 20.04 and show an example of configuring BGP.
dhcpperf is a DHCP load testing tool.
Continue reading “Testing a DHCP server with dhcpperf”For example, I will install FRRouting on Ubuntu 18.04
Continue reading “Installing FRRouting on Ubuntu 18.04”In this article, I will briefly describe the principle of DDoS DNS Amplification attacks.
Continue reading “Description of DNS Amplification Attacks”