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router keeps initiating session on aux port

bandit1198
Level 1
Level 1

Hi all,

I have a situation where I telnet to routerA. This router has, via its AUX port, a connection to routerB on the console-port.

So I can normally do a reverse telnet from routerA to routerB. (via the lo0 on port 2001 on routerA)

Problem is, routerA keeps trying to connect to routerB, thereby causing line 1 (for the AUX port) to be busy most of the time.

Ergo, I'm having trouble connecting to routerB (If I try a couple of times, I usually succeed after a while)

I can also confirm the login attempts when I do "monitor traffic line 1" (line 1 being the aux-port), and also in the ACS I see a lot of Failed login attempts from routerA with caller-id async

I don't understand why routerA is tryiing to login to routerB, nor how to stop it while leaving my access intact ofcourse

routerA

interface loopback0

ip address x.x.x.x x.x.x.x

line aux 0

session time-out 5

modem inout

transport preffered none

transport input all

transport output all

routerB

line con 0

logging synchronous

login local

Any suggestions would be welcome....

1 Accepted Solution

Accepted Solutions

Richard Burts
Hall of Fame
Hall of Fame

My suggestion is to configure no exec under the aux of the first router.

HTH

Rick

Sent from Cisco Technical Support iPhone App

HTH

Rick

View solution in original post

2 Replies 2

Richard Burts
Hall of Fame
Hall of Fame

My suggestion is to configure no exec under the aux of the first router.

HTH

Rick

Sent from Cisco Technical Support iPhone App

HTH

Rick

Hi Richard,

this has solved it indeed, thanks a lot! Though it's unclear why the routerA was setting up sessions in the first place, at least its not doing so anymore.

regards

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