Quatech WLNG-ET-DP500 Series - Manual (Page 107)

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100-8081-100 Airborne CLI Reference Manual 107
ssh-keysize
Command ssh-keysize
Arguments [integer]
Device Type All
Default 1024
Description Defines the size of the SSH RSA key.
The key length must be from 1024-2048 and MUST be divisable by 8.
The default is 1024.

If you change the ssh-keysize and SSH keys already exist, you will be prompted to
remove the existing keys using clear ssh-key and to reissue ssh-keygen to
generate new SSH keys
This command is used by ssh-keygen.