https://www.xga.ie/tags/chr/Recent content in CHR on XGAHugoen-gbThu, 04 May 2023 00:00:00 +0000https://www.xga.ie/posts/mikrotik-bgp-high-cpu/Thu, 04 May 2023 00:00:00 +0000https://www.xga.ie/posts/mikrotik-bgp-high-cpu/<p>While experimenting with BGP using Mikrotik Cloud Hosted Routers (CHR) on low-power, shared X86 hardware, it became apparent that CPU usage was an issue with full feeds.</p> <h2 id="before"> Before <a class="heading-link" href="#before"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>The router was handling approximately 420-thousand IPv6 routes on a single CPU. When I tried to view the routes in WinBox or SSH, the CPU would go to 100% and remain there, leaving the router unresponsive until rebooted.</p>