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APN, LAC can't establish l2tp tunnel with LNS

unfraget1
Level 1
Level 1

dear colleagues!
I have issue with configuration L2tv between LNS and LAC.
I have next equipment and config:

Chassis type: ASR1001
Slot      Type                State                 Insert time (ago)
--------- ------------------- --------------------- -----------------
0         ASR1001             ok                    27w5d
 0/0      ASR1001             ok                    27w5d
R0        ASR1001             ok, active            27w5d
F0        ASR1001             ok, active            27w5d
P0        ASR1001-PWR-AC      ok                    27w5d
P1        ASR1001-PWR-AC      ok                    27w5d
P2        ASR1001-FANTRAY     ok                    27w5d

vpdn enable
vpdn logging
vpdn logging local
vpdn logging remote
vpdn logging user
vpdn logging tunnel-drop
vpdn logging accounting
vpdn logging dead-cache

vpdn-group 2
 description TEST APN
 accept-dialin
  protocol l2tp
  virtual-template 2
 terminate-from hostname GW
 source-ip xx.xx.xxx.xx
 local name Gate.domain
 l2tp tunnel password 7 TopSecret:)

interface Virtual-Template2
 ip unnumbered Loopback777
 no ip redirects
 no ip proxy-arp
 ip verify unicast source reachable-via rx
 ip tcp adjust-mss 1300
 no peer default ip address
 ppp authentication pap APN
 ppp authorization APN
 ppp accounting APN
 service-policy input APN
 service-policy output APN

when LAC trying initiate session l2tp with LNS we got next error::

 

VPDN uid:11 disconnect (AAA) IETF: 9/nas-error Ascend: 29/PPP LCP Close
VPDN Unknown vpdn syslog error due to AAA disconnect code 29
VPDN uid:11 vpdn shutdown session, result=2, error=6, vendor_err=0, syslog_error_code=0, syslog_key_type=1
VPDN uid:11 VPDN/AAA: accounting stop sent

 

i didn't find in rfc 2661 and 1661 describing error code above

 

need help, might anybody solved a similar problem?
for early thank!

1 Reply 1

unfraget1
Level 1
Level 1

i solved problem.
solution - add "lcp renegotiation on-mismatch" in vpdn group