cisco ssh error

When you met error like this:

ssh  cisco@10.32.3.1
Unable to negotiate with 10.32.3.1 port 22: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1

Solution:

$ ssh -l <USERNAME> -oHostKeyAlgorithms=+ssh-dss -oKexAlgorithms=+diffie-hellman-group1-sha1 <HOST>

or

ssh -l <username> -o HostKeyAlgorithms=+ssh-dss -o KexAlgorithms=+diffie-hellman-group1-sha1 -c 3des-cbc <hostname>

Reference