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X670-G2 with EXOS 21.1.2.14: Establishing SSH session takes too long

X670-G2 with EXOS 21.1.2.14: Establishing SSH session takes too long

Chacko
Contributor
Establishing a SSH connection with Summit X670-G2, EXOS 21.1.2.14 takes too long.
You have to wait 15-17 seconds, before the prompt is showing.
Generating a new SSH key helps for a short time, but then this problem reoccurs, ~1 week.
We already reinstalled the ssh-module but can't find a solution.

Tried it with PuTTY and SmarTTY, but both SSH-clients are reacting in the same way.
The exsshd-process is in version 6.5.1.69 - cpu and memory are looking good.

Does anyone experienced the same behavior?
6 REPLIES 6

Alright, thanks for the feedback.
Then we will try the workaround and wait for the new EXOS release.

Ty_Kolff
New Contributor II
I have experienced this on not only the x670-G2, but also on x460-G2's running 21.1.2.14. We ended up downgrading some x460-G2's to 16.1.4.2 patch 1-7 because of some LACP issues, and the SSH connections are fast on that release, although you have to load the SSH module seperately.
They are suppose to be releasing a fix for other SSH issues in 21.1.3 which could be released any day now.

=18332201#reply_18332201]https://community.extremenetworks.com/extreme/topics/exos-version-21-1-3?ut...
GTM-P2G8KFN