I only removed the SSH key to remove pub key authentication from the router. As 
it’s the first authentication protocol used, the ansible command was ignoring 
the passed in username/password.
It was for testing only. Your router config does pub key -> kbd interactive -> 
password authentication out the box. If you’ve got a working ssh key then it 
won’t get to password auth.

I think you’re hitting the bug I mentioned. I did some testing yesterday with 
pip installs around paramiko and it broke with later versions. 

Check your version : pip list | grep paramiko
Try pinning it to 2.0.2 - pip install paramiko==2.0.2 (you might need to use 
sudo with this depending on where you’ve installed, if you’re not root)



> On 22 Jan 2020, at 08:11, Yehuda Pinhas <[email protected]> wrote:
> 
> [ansible@Netauto-Dev new_vlan]$ ansible -m ios_command -e commands='sh ip int 
> br' -i /etc/ansible/inventory/ R-TEST-SNIF -e 
> 'ansible_connection=network_cli' -e 'ansible_network_os=ios' -e 
> 'remote_user=ansible' -k
> SSH password: 
> [WARNING]: Found variable using reserved name: remote_user
> 
> R-TEST-SNIF | FAILED! => {
>     "changed": false, 
>     "msg": "No existing session"
> 
> 
> This is my result..
> 
> I think I dont understand a couple of things:
> 1. Why do you have to remove the SSH keys from the router? should'nt it use 
> the SSH keys as primary method and then fallback to using password?
> 2. What exactly did you do on the cisco device to remove the keys? (although 
> I dont beleive it is a solution for me since I cant remove SSH keys on 
> devices in my real network)
> 3. There isn't a way to do password authentication without removing SSH keys?
> 
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