Used devices:

- SG2428P 5.30 (5.30.5 Build 20250117 Rel.60446);

- TL-SG3428X 1.0 (1.0.11 Build 20230227 Rel.740).

Each configured to use SSH with key.

This is an ssh_config file:

Host com01
    Hostname 10.50.0.101
    User admin
    KexAlgorithms +diffie-hellman-group1-sha1
    HostKeyAlgorithms +ssh-dss,rsa-sha2-256
    PubkeyAcceptedAlgorithms +ssh-rsa
    Ciphers +aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc
    IdentityFile ~/.ssh/id_rsa

Host com02
    Hostname 10.50.0.102
    User admin
    KexAlgorithms +diffie-hellman-group1-sha1
    HostKeyAlgorithms +ssh-dss,rsa-sha2-256
    PubkeyAcceptedAlgorithms +ssh-rsa
    Ciphers +3des-cbc
    Ciphers +aes128-ctr,aes192-ctr,aes256-ctr,aes128-cbc,aes192-cbc,aes256-cbc,3des-cbc
    IdentityFile ~/.ssh/id_rsa

I have ~10s timeout before login over SSH to SG2428P.

I have no any timeout when login over SSH to TL-SG3428X.

Is there a way to remove timeout before login over SSH?

Please, change the firmware to reduce login timeout.