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20 Appendix
20.1 Error messages in LANmonitor
It is possible to read out VPN error messages over the LANmonitor.
20.1.1 General error messages
Connection attempt cancelled
Bus activation failedConnection establishment failed (D-channel layer 1)
no UA on SABMEConnection establishment failed (D-channel layer 2)
a/b portsConnection establishment failed (Layer 1)
a/b portsConnection establishment failed (Layer 2)
Cable not connectedISDN line error (Layer 1)
X.75 / V.110Connection aborted (layer 2)
Required resource not available -> ISDN problem; boot
telecommunications system
Local error
Remote device can only handle PAP, but CHAP is requiredPP login at remote site - PAP rejected
Remote did not send PAP requestPPP login from remote site - timeout (PPP-PAP RX)
Remote did not respond to PAP requestPPP login at remote site - timeout (PPP-PAP TX)
a CHAP reject was received after a CHAP challengePPP login from remote site - CHAP rejected
Remote did not send CHAP responsePPP login from remote site - timeout (PPP-CHAP RX)
Remote did not respond to CHAP responsePPP login at remote site - timeout (PPP-CHAP TX)
exactly like fee limit... .Time limit exceeded
no HDLC flags foundConnection establishment failed (Layer 1)
X.75 / V.110 not workingConnection establishment failed (Layer 2)
Cable not connectedDSL line error (Layer 1)
20.1.2 VPN error messages
5
For correct evaluation of error messages for VPN connections, at least LCOS version 3.22 must be installed on
both LANCOM devices.
A VPN connection is always either an outgoing or an incoming connection. To make searching for the error faster and
more efficient, the error messages are different for the initiator and the responder. The initiator is the remote device
which initiates the connection. The responder is the device which receives the connection. After the error message is
read out, look in the appropriate menu item on the corresponding remote.
Example:
For the error message 'IKE or IPSec establishment timeout (Initiator)', no direct error can be determined. The responder,
however, has determined an error like 'No proposal matched (Responder, IPSec)', which it send to an SNMP client
2014
Reference Manual
20 Appendix
2014


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