Error Connecting to IOS-XR in the LAB I've created a new lab for testing using EVE-NG. Everything was fine. But when I tried to connect to Cisco IOS-XR from my Jumphost, I saw the message: stack@devstack$ ssh cisco@192.168.0.7 Unable to negotiate with 192.168.0.7 port 22: no matching host key type found. Their offer: Hmm... Their offer is nothing ! Connected to console and checked logs from the other side: RP/0/0/CPU0:May 30 10:33:08.510 : exec[65722]: %SECURITY-LOGIN-6-AUTHEN_SUCCESS : Successfully authenticated user 'cisco' from 'console' on 'con0_0_CPU0' RP/0/0/CPU0:May 30 10:33:59.970 : SSHD_[65831]: %SECURITY-SSHD-6-INFO_GENERAL : no matching kex found: client ecdsa-sha2-nistp256-cert-v01@openssh.com,ecdsa-sha2-nistp384-cert-v01@openssh.com,ecdsa-sha2-nistp521-cert-v01@openssh.com,ssh-ed25519-cert-v01@openssh.com,ssh-rs