– SSH encryption parameters are default which hardcoded into dropbear binary, no compression enabled or available – WAN port setup fine, output of swconfig dev switch0 show: speed:100baseT full-duplex txflow rxflow auto – QoS off, setting max priority for SSH port not helps – Used different devices and ISP at my side
![entware replace dropbear ssh entware replace dropbear ssh](https://hqt.ro/wp-content/uploads/entware-ng-jffs-744x450.png)
– Excluded possible affection by my router via tests over WAN cable I extensive Googled and searched forum before posting I can't understand, why packet retransmits present for download, but in tunnel affected only upload?Īnd why retransmits happen? What can be checked more? Please, help to resolve this mystery. So both ISP's can be excluded, my for sure because got same results over different ISP. Like something wrong with ISP's on any side.īut no, I started iperf3 as server on laptop that connected to router and just forwarded port.ĭirect test passes without retransmits. Seems this affects direct and tunnel speed.
ENTWARE REPLACE DROPBEAR SSH DOWNLOAD
Only for download on direct connection iperf3 shows many packet retransmits, ~50, strange. Ookla Speedtest (DL / UL perspective from router): Iperf3 over internet to laptop behind router: – Directly: 20 / 60 - a lot packet retransmits for download only Please, take a look on speed tests (download from / upload to router in Mbits/sec): Problem: upload to router is noticeable slower than download and it more important to me.
ENTWARE REPLACE DROPBEAR SSH ANDROID
Almost same results on Ubuntu / Android with ssh. SSH server: built-in dropbear, SSH client: Bitvise on Windows. It works like Samba NAS via tunneling over internet. I'm out of ideas and forum is last resort. Please, help me to figure out strange problem. So dropbear probably due it's lightweight nature have some internal shenanigans which cause speed drop (no pun intended). Now I'm getting 35 Mbits/sec upload vs 15.5 previously. UPD, solution: Installed Entware and from there openssh-server, using it instead built-in dropbear SSH server.
![entware replace dropbear ssh entware replace dropbear ssh](https://aws1.discourse-cdn.com/wd/original/3X/4/3/4392d5b1052af9b9161e1cef378e0985ed8e467c.jpeg)
Posted: Sat 12:00 Post subject: Asymmetric speeds via SSH tunneling: slow upload