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L2F problem

Hi, I having a problem as debug below, the frame relay link between NAS to Router are ok. Can somebody explain why is occurs.

Apr 9 01:46:02: L2F: L2F_CONF received

Apr 9 01:46:02: L2F: Creating new tunnel for AS5300

Apr 9 01:46:02: L2F: Tunnel state closed

Apr 9 01:46:02: L2F: Got a tunnel named AS5300, responding

Apr 9 01:46:02: AAA: parse name=<no string> idb type=-1 tty=-1

Apr 9 01:46:02: AAA/AUTHEN: create_user (0x1EC2AC) user='HQ' ruser='' port='' rem_addr='' authen_type=CHAP service=PPP priv=1

Apr 9 01:46:02: AAA/AUTHEN/START (2481276743): port='' list='default' action=SENDAUTH service=PPP

Apr 9 01:46:02: AAA/AUTHEN/START (2481276743): found list default

Apr 9 01:46:02: AAA/AUTHEN/START (2481276743): Method=TACACS+

Apr 9 01:46:02: TAC+: send AUTHEN/START packet ver=193 id=2481276743

Apr 9 01:46:02: TAC+: ver=193 id=2481276743 received AUTHEN status = PASS

Apr 9 01:46:02: AAA/AUTHEN (2481276743): status = PASS

Apr 9 01:46:02: AAA/AUTHEN: free_user (0x1EC2AC) user='HQ' ruser='' port='' rem_addr='' authen_type=CHAP service=PPP priv=1

Apr 9 01:46:02: AAA: parse name=<no string> idb type=-1 tty=-1

Apr 9 01:46:02: AAA/AUTHEN: create_user (0x1EC2AC) user='AS5300' ruser='' port='' rem_addr='' authen_type=CHAP service=PPP priv=1

Apr 9 01:46:02: AAA/AUTHEN/START (1702063544): port='' list='default' action=SENDAUTH service=PPP

Apr 9 01:46:02: AAA/AUTHEN/START (1702063544): found list default

Apr 9 01:46:02: AAA/AUTHEN/START (1702063544): Method=TACACS+

Apr 9 01:46:02: TAC+: send AUTHEN/START packet ver=193 id=1702063544

Apr 9 01:46:02: TAC+: ver=193 id=1702063544 received AUTHEN status = PASS

Apr 9 01:46:02: AAA/AUTHEN (1702063544): status = PASS

Apr 9 01:46:02: AAA/AUTHEN: free_user (0x1EC2AC) user='KLR_AS5300' ruser='' port='' rem_addr='' authen_type=CHAP service=PPP priv=1

Apr 9 01:46:02: L2F: Open UDP socket to 192.xx.xx.53

Apr 9 01:46:02: KLR_AS5300 L2F: Tunnel state opening

Apr 9 01:46:03: L2F: L2F_OPEN received

Apr 9 01:46:03: L2F: Removing resend packet (type 1)

Apr 9 01:46:03: AAA: parse name=<no string> idb type=-1 tty=-1

Apr 9 01:46:03: AAA/AUTHEN: create_user (0x1D1D3C) user='AS5300' ruser='' port='' rem_addr='' authen_type=CHAP service=PPP priv=1

Apr 9 01:46:03: AAA/AUTHEN/START (984533460): port='' list='default' action=LOGIN service=PPP

Apr 9 01:46:03: AAA/AUTHEN/START (984533460): found list default

Apr 9 01:46:03: AAA/AUTHEN/START (984533460): Method=TACACS+

Apr 9 01:46:03: TAC+: send AUTHEN/START packet ver=193 id=984533460

Apr 9 01:46:03: TAC+: ver=193 id=984533460 received AUTHEN status = PASS

Apr 9 01:46:03: AAA/AUTHEN (984533460): status = PASS

Apr 9 01:46:03: VPDN: Chap authentication succeeded for AS5300

Apr 9 01:46:03: AAA/AUTHEN: free_user (0x1D1D3C) user='AS5300' ruser='' port='' rem_addr='' authen_type=CHAP service=PPP priv=1

Apr 9 01:46:03: KLR_AS5300 L2F: Tunnel state open

Apr 9 01:46:07: Se0 L2F: Throttle delta=0

Apr 9 01:46:07: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:09: L2F: Removing resend packet (type 5)

Apr 9 01:46:12: Se0 L2F: Throttle delta=0

Apr 9 01:46:12: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:14: L2F: Removing resend packet (type 5)

Apr 9 01:46:17: Se0 L2F: Throttle delta=0

Apr 9 01:46:17: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:19: L2F: Removing resend packet (type 5)

Apr 9 01:46:22: Se0 L2F: Throttle delta=0

Apr 9 01:46:22: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:24: L2F: Removing resend packet (type 5)

Apr 9 01:46:27: Se0 L2F: Throttle delta=0

Apr 9 01:46:27: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:29: L2F: Removing resend packet (type 5)

Apr 9 01:46:32: Se0 L2F: Throttle delta=0

Apr 9 01:46:32: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:34: L2F: Removing resend packet (type 5)

Apr 9 01:46:37: Se0 L2F: Throttle delta=0

Apr 9 01:46:37: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:39: L2F: Removing resend packet (type 5)

Apr 9 01:46:42: Se0 L2F: Throttle delta=0

Apr 9 01:46:42: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:44: L2F: Removing resend packet (type 5)

Apr 9 01:46:47: Se0 L2F: Throttle delta=0

Apr 9 01:46:47: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:49: L2F: Removing resend packet (type 5)

Apr 9 01:46:52: Se0 L2F: Throttle delta=0

Apr 9 01:46:52: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:54: L2F: Removing resend packet (type 5)

Apr 9 01:46:57: Se0 L2F: Throttle delta=0

Apr 9 01:46:57: L2F: L2F_ECHO received 17 bytes

Apr 9 01:46:59: L2F: Removing resend packet (type 5)

Apr 9 01:47:02: Se0 L2F: Throttle delta=0

Apr 9 01:47:02: L2F: L2F_ECHO received 17 bytes

Apr 9 01:47:04: L2F: Removing resend packet (type 5)

Apr 9 01:47:06: L2F: L2F_CLOSE received

Apr 9 01:47:06: L2F: Got closing for tunnel

Apr 9 01:47:06: AS5300 L2F: Tunnel state closed

Apr 9 01:47:06: L2F: Removing resend packet

Apr 9 01:47:06: L2F: Closed tunnel structure

Apr 9 01:47:09: AS5300 L2F: Tunnel state closed

Apr 9 01:47:09: L2F: Closed tunnel structure

Apr 9 01:47:09: L2F: Deleted inactive tunnel

2 REPLIES
Silver

Re: L2F problem

If you are seeing this message in your debugs "Exceeded max retries taking LCP down" this is a known problem and is fixed by putting 'no keepalive' on interface virtual-template on the gateway.

New Member

Re: L2F problem

Hi, Thank for the advice, unfortunately I can't get it. I has put no keeplive on the virtual-template. unsuccessfull the debug still shown as above. Where shall I look around. ?

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