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Dial-In to Access Server : Line hangs up after approx. 160 sec.

I am using a 3660 Access Router.

ISDN and analog modems.

I configured group-asynch interfaces - Dial In to these interfaces is successful - the asynch interface comes up but disconnects automatically after approx. 160 sec.

(additionally I am using TACACS authentification on a Cisco ACS)

Unfortunately I noticed this bevaviour after changing over to this ACS -

we were using Windows NT Active Dir. before .

I see the following errors:

TTY78: Async Int reset: Dropping DTR

*Mar 1 00:55:22: Modem 2/13 Mica: in modem state TERMINATING

*Mar 1 00:55:22: Modem 2/13 Mica: in modem state IDLE

*Mar 1 00:55:22: %ISDN-6-DISCONNECT: Interface Serial1/0:7 disconnected from xxxxx xxxxx xxxxxx , call lasted 136 seconds

*Mar 1 00:55:22: Modem 2/13 Mica: DISCONNECT after 00:02:16, due to reason (0xDF00) Host Disconnect.

*Mar 1 00:55:23: TTY78: DSR was dropped

*Mar 1 00:55:23: tty78: Modem: READY->(unknown)

*Mar 1 00:55:24: TTY78: dropping DTR, hanging up

*Mar 1 00:55:24: tty78: Modem: HANGUP->(unknown)

*Mar 1 00:55:24: %LINK-5-CHANGED: Interface Async78, changed state to reset

*Mar 1 00:55:25: TTY78: cleanup pending. Delaying DTR

*Mar 1 00:55:25: %LINEPROTO-5-UPDOWN: Line protocol on Interface Async78, changed state to down

*Mar 1 00:55:26: TTY78: cleanup pending. Delaying DTR

*Mar 1 00:55:27: TTY78: cleanup pending. Delaying DTR

*Mar 1 00:55:27: TTY78: no timer type 0 to destroy

*Mar 1 00:55:27: TTY78: no timer type 1 to destroy

*Mar 1 00:55:27: TTY78: no timer type 3 to destroy

*Mar 1 00:55:27: TTY78: no timer type 4 to destroy

*Mar 1 00:55:27: TTY78: no timer type 2 to destroy

*Mar 1 00:55:27: AAA/MEMORY: free_user (0x6179F508) user='baumg' ruser='NULL' port='Async78' rem_addr='436765400458' authen_type=PAP service=PPP priv=1

*Mar 1 00:55:27: Async78: allowing modem_process to continue hangup

*Mar 1 00:55:28: TTY78: restoring DTR

*Mar 1 00:55:29: TTY78: autoconfigure probe started

*Mar 1 00:55:29: %LINK-3-UPDOWN: Interface Async78, changed state to down

*Mar 1 00:57:15: TTY226: Line reset by "Virtual Exec"

*Mar 1 00:57:15: TTY226: Modem: (unknown)->READY

Could anyone please help me ?

Thx a lot

Hans

  • Other Network Infrastructure Subjects
1 REPLY
Cisco Employee

Re: Dial-In to Access Server : Line hangs up after approx. 160 s

Any timeout is configured in TACACS server?? we need to know following debug to see where the problem is

debug dialer

debug aaa authorization

debug aaa per

debug modem csm

debug modem

Also post the running config from 3660.

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