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”Category Archives: Networks
Configuring Juniper MX and ABillS
For example, I will configure the Juniper MX204 to work with the ABillS billing system.
Continue reading “Configuring Juniper MX and ABillS”Configuring OSPF in BIRD
In this article, I will give an example of configuring OSPF in BIRD.
Continue reading “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.
Continue reading “Renaming Network Interfaces in Linux”Installing and configuring BIRD (BGP)
For example, I will install BIRD on Ubuntu Server 20.04 and show an example of configuring BGP.
Continue reading “Installing and configuring BIRD (BGP)”Testing a DHCP server with dhcpperf
dhcpperf is a DHCP load testing tool.
Continue reading “Testing a DHCP server with dhcpperf”Installing FRRouting on Ubuntu 18.04
For example, I will install FRRouting on Ubuntu 18.04
Continue reading “Installing FRRouting on Ubuntu 18.04”Description of DNS Amplification Attacks
In this article, I will briefly describe the principle of DDoS DNS Amplification attacks.
Continue reading “Description of 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.
Continue reading “Installing and configuring xt_NAT”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.
Continue reading “How to return ethX names to network interfaces”