Tag: network

DNSdist as a forwarding DNS proxy for resiliency and performance

PowerDNS’s DNSdist is a versatile, performant and a generally awesome product for anything related to DNS proxying. Today I will describe how to use it as a forwarding, caching reverse proxy to improve performance for use cases like VPN servers, including DoT termination.

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Fixing a dead 40Gbps Celestica D2060 network switch

I have had a dead Celestica D2060 network switch laying in my garage for a while and decided to finally attempt to fix it. D2060 is a Broadcom Trident2 BCM56854A2 powered device offering 48x10G SFP+ and 6x40G QSFP+ ports, with an Intel Atom Rangeley C2558 based control plane – notorious for dying due to a CPU bug.

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