Unable to ssh towards a device

[ShadowoftheDarkgod]

Hi,

I am unable to access our device a - WS-C3560X - unless i directly plugin to the console.

I was able to ssh to this yesterday but now I can't. 

I already generated a new crypto via crypto key generate rsa even removed and added the ip domain-name

I also tried removing the transport input ssh and changed it to transport input all but I still can't access it.

Here's my configuration

line con 0

 password 7 x

 login local

line vty 0 4

 exec-timeout 30 0

 password 7 x

 logging synchronous

 login local

 length 0

 transport input all

line vty 5 15

 exec-timeout 5 0

 password 7 x

 logging synchronous

 login local

 transport input all

Any help would be appreciated here.

Thanks

[Leo Laohoo]

Does telnet to the switch works or not? 

What error message(s) appear when attempting to SSH into the switch?

[ShadowoftheDarkgod]

hi, 

telnet doesn't work either. the connection just times out on both telnet and ssh

[Leo Laohoo]

Can the 3560CX ping the default gateway of the management IP address?

[ShadowoftheDarkgod]

yes it can. 

[Leo Laohoo]

1. Can the default gateway ping the switch?
2. Can you ping the default gateway?  
3. Can the default gateway ping you?

[ShadowoftheDarkgod]

Yes to all

[Leo Laohoo]

Check FW if there are any blocks.

[ShadowoftheDarkgod]

its passes thru, even set it to all just to be sure

[MHM Cisco World]

there is any NATing device this SW behind it ??

[ShadowoftheDarkgod]

hi, no natting, but there is a firewall but traffic is allowed. the strange thing is its twin switch is fine and can be ssh'ed

[MHM Cisco World]

FW do NATing ?

[ShadowoftheDarkgod]

yes firewall does natting but i didn't enable it on any of my links

[MHM Cisco World]

I will share some tips to check SSH issue behind FW