Simply_Kot
Оно. Большое спасибо!
Оно. Большое спасибо!
думаю при наличии конфига микротика, сетевых настроек устройств и схемы подключения все бы решилось быстрее
отключить аппаратную шифрование и задействовать программное
The problem is the hardware encryption driver (on CCR that means aes-*-cbc encryption) encrypts/sends packets out of order. This results in the client seeing packet loss, duplicate acks, out of order packets, etc, which cause performance issues with TCP (some benchmarking/real world traffic shows about 50% of packets are retransmits and duplicate acks). How much depends on a variety of things (like application, tcp window, latency, etc). Because of this, I actually use software encryption (aes-256-ctr) instead because I see about 10x faster single-threaded transfers. Here are some example numbers:
Software/single stream: 75Mbps
Software/multiple stream: 150Mbps (single cpu core maxed)
Hardware/single stream: ~7.5Mbps
Hardware/multiple stream: >500Mbps
Note: Same tests performed. Only difference is toggling (default in /ip ipsec proposal) between CBC (hardware) and CTR (software). Also, you often have to flush installed SAs after changing this on both sides to get the session to actually switch over.
Как с роутера, у которого 2 провайдера поднять 2 GRE туннеля с каждого интерфейса до роутера с одним провайдером
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