I have a serial crossover cable between a Cisco 1700 and 2691 router connecting two CSU/DSU. The CD light is green and the interfaces are UP and line protocol Down. I am getting the following repeating error on both when running debug ppp nego:
Jul 18 17:47:11.355 EST: Se0/0:0 LCP: State is Listen
Jul 18 17:47:41.371 EST: Se0/0:0 LCP: Timeout: State Listen
Jul 18 17:47:41.371 EST: Se0/0:0 PPP: Authorization required
Jul 18 17:47:41.371 EST: Se0/0:0 LCP: O CONFREQ [Listen] id 153 len 10
Jul 18 17:47:41.371 EST: Se0/0:0 LCP: MagicNumber 0x108A129B (0x0506108A129B)
Jul 18 17:47:43.387 EST: Se0/0:0 LCP: Timeout: State REQsent
Jul 18 17:47:43.387 EST: Se0/0:0 LCP: O CONFREQ [REQsent] id 154 len 10
Jul 18 17:47:43.387 EST: Se0/0:0 LCP: MagicNumber 0x108A129B (0x0506108A129B)
Jul 18 17:47:45.403 EST: Se0/0:0 LCP: Timeout: State REQsent
Jul 18 17:47:45.403 EST: Se0/0:0 LCP: O CONFREQ [REQsent] id 155 len 10
Jul 18 17:47:45.403 EST: Se0/0:0 LCP: MagicNumber 0x108A129B (0x0506108A129B)
Jul 18 17:47:47.419 EST: Se0/0:0 LCP: Timeout: State REQsent
Jul 18 17:47:47.419 EST: Se0/0:0 LCP: O CONFREQ [REQsent] id 156 len 10
Jul 18 17:47:47.419 EST: Se0/0:0 LCP: MagicNumber 0x108A129B (0x0506108A129B)
Jul 18 17:47:49.435 EST: Se0/0:0 LCP: Timeout: State REQsent
Jul 18 17:47:49.435 EST: Se0/0:0 LCP: O CONFREQ [REQsent] id 157 len 10
Jul 18 17:47:49.435 EST: Se0/0:0 LCP: MagicNumber 0x108A129B (0x0506108A129B)
Jul 18 17:47:51.451 EST: Se0/0:0 LCP: Timeout: State REQsent
Jul 18 17:47:51.451 EST: Se0/0:0 LCP: O CONFREQ [REQsent] id 158 len 10
Jul 18 17:47:51.451 EST: Se0/0:0 LCP: MagicNumber 0x108A129B (0x0506108A129B)
Jul 18 17:47:53.467 EST: Se0/0:0 LCP: Timeout: State REQsent
Jul 18 17:47:53.467 EST: Se0/0:0 LCP: O CONFREQ [REQsent] id 159 len 10
Jul 18 17:47:53.467 EST: Se0/0:0 LCP: MagicNumber 0x108A129B (0x0506108A129B)
Jul 18 17:47:55.483 EST: Se0/0:0 LCP: Timeout: State REQsent
Jul 18 17:47:55.483 EST: Se0/0:0 LCP: O CONFREQ [REQsent] id 160 len 10
Jul 18 17:47:55.483 EST: Se0/0:0 LCP: MagicNumber 0x108A129B (0x0506108A129B)
Jul 18 17:47:57.499 EST: Se0/0:0 LCP: Timeout: State REQsent
Jul 18 17:47:57.499 EST: Se0/0:0 LCP: O CONFREQ [REQsent] id 161 len 10
Jul 18 17:47:57.499 EST: Se0/0:0 LCP: MagicNumber 0x108A129B (0x0506108A129B)
Jul 18 17:47:59.515 EST: Se0/0:0 LCP: Timeout: State REQsent
Jul 18 17:47:59.515 EST: Se0/0:0 LCP: O CONFREQ [REQsent] id 162 len 10
Jul 18 17:47:59.515 EST: Se0/0:0 LCP: MagicNumber 0x108A129B (0x0506108A129B)
Jul 18 17:48:01.531 EST: Se0/0:0 LCP: Timeout: State REQsent
Jul 18 17:48:01.531 EST: Se0/0:0 LCP: State is Listen
Jul 18 17:48:31.547 EST: Se0/0:0 LCP: Timeout: State Listen
Jul 18 17:48:31.547 EST: Se0/0:0 PPP: Authorization required
The configuration on the 2691 running 12.4 is:
controller T1 0/0
framing esf
linecode b8zs
channel-group 0 timeslots 24
interface Serial0/0:0
ip address 192.168.69.2 255.255.255.252
encapsulation ppp
The Configuration running on the 1700 running 12.3 is:
interface Serial0
ip address 192.168.69.1 255.255.255.252
encapsulation ppp
fair-queue
service-module t1 clock source internal
The crossover cable is:
1...4
2...5
4...1
5...2
1700:
do sho int se0
Serial0 is up, line protocol is down
Hardware is PQUICC with Fractional T1 CSU/DSU
Internet address is 192.168.69.1/30
MTU 1500 bytes, BW 1536 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP REQsent, loopback not set
2691:
sho int se0/0:0
Serial0/0:0 is up, line protocol is down
Hardware is GT96K Serial
Internet address is 192.168.69.2/30
MTU 1500 bytes, BW 56 Kbit/sec, DLY 20000 usec,
reliability 198/255, txload 1/255, rxload 1/255
Encapsulation PPP, LCP Listen, loopback not set
Why won't the the connection come ujp? Thank you for any help that you may be able to provide.
