Horace, The ppp traces indicate that the NetBuilder is sending LCP Echo request packets to determine link quality. Also, these packets can be used for loop back mechanism. In each case, the hiper arc is sending the correct packets. This is not the case. For ISDN to terminate, LCP extensions need to be configured and exchanged. If you do not see these PPP LCP packets and the link is already down before this level, then the issue needs to be debugged from the modem level. Kindly post the mon ppp traces - if any - Ahmed On Mon, 4 Oct 1999, Horace Demmink wrote:
I have been trying to figure out a problem that one of my customers has been having. They are dialing up with a 3COM NetBuilder to our TC equipment. The first channel comes up fine, but the second one will not come up. The NetBuilder attempts to bring it up, fails, and waits a few seconds before trying again. ISDN is $.08 per call in this area so they are racking up quite a bill. I have never seen this before with any other customer, and as far as I know they are the only ones with a 3COM NetBuilder, so I am assuming that it is a problem or misconfiguration with their router. Is anyone else familiar with these things? Thanks very much in advance for any help or advice anyone can offer.
We are running:
ARC 4.2.32-1 DSP 2.0.81
Here is the relevant section of their radius entry:
username Auth-Type = System Service-Type = Framed, Framed-IP-Address = xxx.xxx.xxx.xxx, Framed-IP-Netmask = 255.255.255.255, Framed-Protocol = PPP, Framed-Route = "yyy.yyy.yyy.yyy/30 0.0.0.0 1", Framed-Routing = None, Framed-MTU = 1500, Idle-Timeout = 0, Port-Limit = 2, Framed-Compression = Van-Jacobson-TCP-IP
And the following is about a minutes worth of a dump of a monitor ppp from the arc:
Decode tracing started, press ESCAPE to stop; press X for hex tracing.
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf d8 2e c8 68
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 00 00 00 00
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 00 00 00 00
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Outgoing PPP Data on interface: slot:15/mod:21 PAP ACK Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 00 00 00 00
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 00 00 00 00
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Outgoing PPP Data on interface: slot:15/mod:21 PAP ACK Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 00 00 00 00
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 00 00 00 00
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 18 d8 2e c9
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Outgoing PPP Data on interface: slot:15/mod:21 PAP ACK Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 00 00 00 00
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 50 68 6f 6e
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 00 00 00 00
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Outgoing PPP Data on interface: slot:15/mod:21 PAP ACK Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf d8 2e c8 68
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 00 00 00 00
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 65 6c 64 20
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Outgoing PPP Data on interface: slot:15/mod:21 PAP ACK Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 00 2e c8 68
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 54 48 49 53
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 6e 64 20 4a
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf d8 2e c8 68
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Outgoing PPP Data on interface: slot:15/mod:21 PAP ACK Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 81 d8 2e c9
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 39 36 36 3b
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf d8 2e c8 68
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71
Outgoing PPP Data on interface: slot:15/mod:21 PAP ACK Incoming PPP Data on interface: slot:15/mod:20 LCP ECHO_REQ 00 cc f7 cf 69 d8 2e c1
Outgoing PPP Data on interface: slot:15/mod:20 LCP ECHO_RPLY c4 56 fa 71 Tracing stopped, Return/Enter to re-start, ESCAPE to quit.
-- Horace Demmink PathWay Computing
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