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MikroTik App

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by sylvainjoyeux
Thu Dec 15, 2022 8:58 pm
Forum: Virtualization
Topic: CHR on GGCP slow download
Replies: 8
Views: 5920

Re: CHR on GGCP slow download

Right. Interestingly, I was just tracking down the same issue. I could track it to having packets reaching RouterOS that are bigger than the MTU. As far as I can see, this is probably caused by GSO. I think it is GSO because (1) this is a documented behavior of Linux with GSO and (2) it does *not* h...
by sylvainjoyeux
Thu Nov 10, 2022 2:47 pm
Forum: General
Topic: ssh stuck at SSH2_MSG_KEX_DH_GEX_REQUEST when trying to access CHR v7+ on GCE
Replies: 3
Views: 1185

Re: ssh stuck at SSH2_MSG_KEX_DH_GEX_REQUEST when trying to access CHR v7+ on GCE

Right. So, this was an install from scratch of a brand new firmware ... regenerating the host key was unlikely to solve anything (and indeed nothing got solved by it). What I had to do to make it work: - explicitly set hmac-sha2-256 as the MAC on the openssh side - disable SetEnv stanzas (I had some...
by sylvainjoyeux
Sat Aug 27, 2022 3:50 am
Forum: General
Topic: ssh stuck at SSH2_MSG_KEX_DH_GEX_REQUEST when trying to access CHR v7+ on GCE
Replies: 3
Views: 1185

ssh stuck at SSH2_MSG_KEX_DH_GEX_REQUEST when trying to access CHR v7+ on GCE

I've been trying out the cloud hosted router on Google Cloud, using v6.48.3, with no issue. Wanting to check the wireguard support of ROS7 out, I upgraded to v7.4.1. After the upgrade, ssh would not log in anymore. It would get stuck at SSH2_MSG_KEX_DH_GEX_REQUEST and then timeout after a while with...