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Beginner

Cisco router 1941 - getting error while taking ssh of the device "network error connection timed out"

Hi,

I am getting the error while taking ssh of the router 1941. And i can able to access all other cisco switches routers thru ssh. But only 1941 router, i am facing the issue in daily 4-5 time. after 5-6 hrs it automatically comes up. 

changed the cable. Checked the CPU utilization is normal - 5%.

Configured active standby mode and this router is in standby mode. there is less cpu utilization. 

 

Please advice

 

 

4 REPLIES 4
Highlighted
VIP Mentor

Re: Cisco router 1941 - getting error while taking ssh of the device "network error connection timed out"

Hello


@Pear11 wrote:

Hi,

 But only 1941 router, i am facing the issue in daily 4-5 time. after 5-6 hrs it automatically comes up. 


Not so sure what you are saying, is it that your putty session times out after 5/6 hours or that a ssh session terminates

 



kind regards
Paul

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Highlighted
Beginner

Re: Cisco router 1941 - getting error while taking ssh of the device "network error connection timed out"

only SSH connection says "Network error : connection timed out .." The issue occurs at every day and after some time automatically SSH works fine. There is no specific time. It occurs randomly, no fixed time.

T Steps,
Reconfigured the SSH connection with 1024 key.
Verified the ACL rules.

SSH Config ;

ip access-list standard TELNET-ACCESS
permit 172.17.102.0 0.0.0.255
permit 172.17.103.0 0.0.0.255 --------> This Subnet,i couldn't access the SSH some times.
permit 172.21.102.0 0.0.0.255
permit 172.21.103.0 0.0.0.255
!
line con 0
line aux 0
no exec
line 2
no activation-character
no exec
transport preferred none
transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
stopbits 1
line vty 0 4
access-class TELNET-ACCESS in
password 7 <removed>
transport input ssh
line vty 5 15
transport input ssh
!
Highlighted
VIP Mentor

Re: Cisco router 1941 - getting error while taking ssh of the device "network error connection timed out"

Hello,

 

post the output of:

 

sh crypto key mypubkey rsa

sh run | inc ssh

 

from both the 1941 router that has the problem, as well as from a device that is working.

Highlighted
Beginner

Re: Cisco router 1941 - getting error while taking ssh of the device "network error connection timed out"

only SSH connection says "Network error : connection timed out .." The issue occurs at every day and after some time automatically SSH works fine. There is no specific time. It occurs randomly, no fixed time.

T Steps,
Reconfigured the SSH connection with 1024 key.
Verified the ACL rules.

SSH Config ;

ip access-list standard TELNET-ACCESS
permit 172.17.102.0 0.0.0.255
permit 172.17.103.0 0.0.0.255 --------> This Subnet,i couldn't access the SSH some times.
permit 172.21.102.0 0.0.0.255
permit 172.21.103.0 0.0.0.255
!
line con 0
line aux 0
no exec
line 2
no activation-character
no exec
transport preferred none
transport output pad telnet rlogin lapb-ta mop udptn v120 ssh
stopbits 1
line vty 0 4
access-class TELNET-ACCESS in
password 7 <removed>
transport input ssh
line vty 5 15
transport input ssh
!

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