Datasheet

Lab – Troubleshooting Basic PPP with Authentication

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

507 packets output, 28030 bytes, 0 underruns

0 output errors, 0 collisions, 0 interface resets

0 unknown protocol drops

0 output buffer failures, 0 output buffers swapped out

0 carrier transitions

DCD=up DSR=up DTR=up RTS=up CTS=up

Has the link been established? _________ Yes

Step 3: Examine the R3 configuration.

a. Use the show interfaces command to determine whether PPP has been established on both serial links.

R3# show interfaces s0/0/0

Serial0/0/0 is up, line protocol is down

Hardware is GT96K Serial

Internet address is 192.168.13.2/30

MTU 1500 bytes, BW 1544 Kbit/sec, DLY 20000 usec,

reliability 255/255, txload 1/255, rxload 1/255

Encapsulation PPP, LCP Closed, loopback not set

Keepalive set (10 sec)

CRC checking enabled

Last input 00:00:01, output 00:00:01, output hang never

Last clearing of "show interface" counters 00:55:56

Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0

Queueing strategy: weighted fair

Output queue: 0/1000/64/0 (size/max total/threshold/drops)

Conversations 0/1/256 (active/max active/max total)

Reserved Conversations 0/0 (allocated/max allocated)

Available Bandwidth 1158 kilobits/sec

5 minute input rate 0 bits/sec, 3 packets/sec

5 minute output rate 0 bits/sec, 2 packets/sec

3540 packets input, 70800 bytes, 0 no buffer

Received 0 broadcasts, 0 runts, 0 giants, 0 throttles

0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort

3274 packets output, 60079 bytes, 0 underruns

0 output errors, 0 collisions, 821 interface resets

0 unknown protocol drops

0 output buffer failures, 0 output buffers swapped out

1573 carrier transitions

DCD=up DSR=up DTR=up RTS=up CTS=up

R3# show interfaces s0/0/1

Serial0/0/1 is up, line protocol is up

Hardware is GT96K Serial

Internet address is 192.168.23.2/30

MTU 1500 bytes, BW 1544 Kbit/sec, DLY 20000 usec,

reliability 255/255, txload 1/255, rxload 1/255

Encapsulation PPP, LCP Open

Open: IPCP, CDPCP, loopback not set