Network - XGA Blog

XGA Blog

Network

A collection of 6 posts

Zabbix DNS caching

Zabbix DNS caching

DNS resolution started to feel a bit laggy recently, most notable on iOS devices. When I went down the troubleshooting rabbit hole, I found a large number of DNS queries from the Zabbix monitoring infrastructure. Of the 37 hosts that are monitored by Zabbix, only 16 have DNS lookups for

High BGP CPU usage on Mikrotik CHR

How to resolve high CPU usage on a Mikrotik router when using full BGP feeds.

BGP: Mikrotik RPKI with Routinator

BGP: Mikrotik RPKI with Routinator

RPKI prefix security with Mikrotik Router OS 7

BGP: Route48 with BGP

BGP: Route48 with BGP

Part 3 of the BGP series: setting up BGP with Route48 on Mikrotik CHR & RouterOS7

BGP: Route48 Tunnelbroker

BGP: Route48 Tunnelbroker

Part two of BGP series… check out Part 3: Route48 over BGP Update 16-JUN-22: * Added MTU for IPv6 Neighbour Discovery / Router Advertisements and associated notes. In this post I will introduce Route48, specifically the basic Tunnelbroker service, utilising a Mikrotik Cloud Hosted Router. Configuration should be similar for any Mikrotik

BGP: Getting started

BGP: Getting started

I’ve been learning about BGP lately - I use Mikrotik in my lab as the hardware is pretty solid, however following the many online tutorials and resources has become difficult post-upgrade from RouterOS 6 to 7.