10-23-2001 11:37 PM - edited 03-01-2019 06:59 PM
Hi,
I implemented an ISDN solution between branch office and HQ.It doesn't work when initiate a connection from branch office to HQ while from another Branch office is ok by using the same router configuration.
(Hint:the 2 routers are 3620 and 2611,respectly.)
I give a "debug q921" and the output is as follows:
1d04h: ISDN BR0/0: TX -> SABMEp sapi = 0 tei = 80
1d04h: ISDN BR0/0: RX <- UAf sapi = 0 tei = 80
1d04h: %ISDN-6-LAYER2UP: Layer 2 for Interface BR0/0, TEI 80 changed to up
1d04h: ISDN BR0/0: TX -> INFOc sapi = 0 tei = 80 ns = 0 nr = 0 i = 0x08011C
0504028890180183700C803030363532363137333836
1d04h: ISDN BR0/0: RX <- RRr sapi = 0 tei = 80 nr = 1
1d04h: ISDN BR0/0: RX <- INFOc sapi = 0 tei = 80 ns = 0 nr = 1 i = 0x08019C
0D180189
1d04h: ISDN BR0/0: TX -> RRr sapi = 0 tei = 80 nr = 1
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- INFOc sapi = 0 tei = 80 ns = 1 nr = 1 i = 0x08019C
02
1d04h: ISDN BR0/0: TX -> RRr sapi = 0 tei = 80 nr = 2
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: TX -> INFOc sapi = 0 tei = 80 ns = 1 nr = 2 i = 0x08011C
4508028090
1d04h: ISDN BR0/0: RX <- RRr sapi = 0 tei = 80 nr = 2
1d04h: ISDN BR0/0: RX <- INFOc sapi = 0 tei = 80 ns = 2 nr = 2 i = 0x08019C
4D
1d04h: ISDN BR0/0: TX -> RRr sapi = 0 tei = 80 nr = 3
1d04h: ISDN BR0/0: TX -> INFOc sapi = 0 tei = 80 ns = 2 nr = 3 i = 0x08011C
5A
1d04h: ISDN BR0/0: RX <- RRr sapi = 0 tei = 80 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: TX -> RRp sapi = 0 tei = 80 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 80 nr = 3
1d04h: ISDN BR0/0: RX <- DISCp sapi = 0 tei = 80
1d04h: %ISDN-6-LAYER2DOWN: Layer 2 for Interface BR0/0, TEI 80 changed to down
1d04h: ISDN BR0/0: TX -> UAf sapi = 0 tei = 80
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- IDCKRQ ri = 0 ai = 80
1d04h: ISDN BR0/0: TX -> IDCKRP ri = 63109 ai = 80
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
PSW_RTR1#
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- IDCKRQ ri = 0 ai = 80
1d04h: ISDN BR0/0: TX -> IDCKRP ri = 24278 ai = 80
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRf sapi = 0 tei = 67 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 81 nr = 3
1d04h: ISDN BR0/0: RX <- RRp sapi = 0 tei = 67 nr = 3
_____________________________________________________
Could anyone give me hand?Thanks.
10-29-2001 03:04 PM
Debug for me Q931, ppp nego and debug dialer.
Send me the #sh isdn st and #sh dialer outputs.
Plamen
10-30-2001 09:01 AM
Take a look first at 'show isdn status' to determine which Layer is having trouble. 'debug isdn q921', only looks at layer 2.
It looks like you are getting good tei=from the TELCO switch, so look running 'debug isdn q931' and 'debug ppp negoiate'.
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