Giáo trình Advanced Certificate in Information Technology - Sanlein part 73 pdf

0 output buffer failures, 0 output buffers swapped out
Virtual-Access1 is up, line protocol is up
Hardware is Virtual Access interface
MTU 1492 bytes, BW 56 Kbit, DLY 100000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, loopback not set
DTR is pulsed for 5 seconds on reset
Interface is bound to Di1 (Encapsulation PPP)
LCP Open
Listen: CDPCP
Open: IPCP
Last input 00:00:09, output never, output hang never
Last clearing of "show interface" counters 00:02:56
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
39 packets input, 544 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
39 packets output, 616 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
Dialer1 is up, line protocol is up (spoofing)
Hardware is Unknown
Internet address is 203.162.3.1/24
MTU 1492 bytes, BW 56 Kbit, DLY 20000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, loopback not set

DTR is pulsed for 1 seconds on reset
Interface is bound to Vi1
Last input never, output never, output hang never
Last clearing of "show interface" counters 00:34:56
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 0/0/16 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 42 kilobits/sec
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
36 packets input, 504 bytes
36 packets output, 576 bytes
Bound to:
Virtual-Access1 is up, line protocol is up
Hardware is Virtual Access interface
MTU 1492 bytes, BW 56 Kbit, DLY 100000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation PPP, loopback not set
DTR is pulsed for 5 seconds on reset
Interface is bound to Di1 (Encapsulation PPP)
LCP Open
Listen: CDPCP
Open: IPCP
Last input 00:00:04, output never, output hang never
Last clearing of "show interface" counters 00:03:01
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue :0/40 (size/max)

5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
41 packets input, 572 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
41 packets output, 648 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
Loopback0 is up, line protocol is up
Hardware is Loopback
Internet address is 10.10.1.1/24
MTU 1514 bytes, BW 8000000 Kbit, DLY 5000 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation LOOPBACK, loopback not set
Last input never, output never, output hang never
Last clearing of "show interface" counters never
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue :0/0 (size/max)
5 minute input rate 0 bits/sec, 0 packets/sec
5 minute output rate 0 bits/sec, 0 packets/sec
0 packets input, 0 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
0 packets output, 0 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
R3#sh vpdn
%No active L2TP tunnels

%No active L2F tunnels
%No active PPTP tunnels
PPPoE Tunnel and Session Information Total tunnels 1 sessions 1
PPPoE Tunnel Information
VPDN group: 1
Session count: 1
PPPoE Session Information
SID RemMAC LocMAC Intf VASt OIntf VLAN/
VP/VC
1 0004.c052.7ce0 0005.5e96.2cc0 Vi1 UP Et0/0
R3#debug vpdn pppoe-data ßbật debug PPPoE
PPPoE data packets debugging is on
R3#debug ip nat ßvà NAT
IP NAT debugging is on
R3#ping ßthực hiện ping mở rộng với source là Private LAN
Protocol [ip]:
Target IP address: 203.30.30.2
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]: y
Source address or interface: 10.10.1.1
Type of service [0]:
Set DF bit in IP header? [no]:
Validate reply data? [no]:
Data pattern [0xABCD]:
Loose, Strict, Record, Timestamp, Verbose[none]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 203.30.30.2, timeout is 2 seconds:

Success rate is 100 percent (5/5), round-trip min/avg/max = 64/64/64 ms
R3#
*Mar 1 00:47:59.363: NAT: s=10.10.1.1->203.162.3.1, d=203.30.30.2 [34]
*Mar 1 00:47:59.363: PPPoE 1: O L:0005.5e96.2cc0 R:0004.c052.7ce0 Et0/0
00 04 C0 52 7C E0 00 05 5E 96 2C C0 88 64 11 00
00 01 00 66 00 21 45 00 00 64 00 22 00 00 FF 01
03 B3 CB A2 03 01 CB 1E 1E 02 08 00 62 E7 0F
*Mar 1 00:47:59.423: NAT*: s=203.30.30.2, d=203.162.3.1->10.10.1.1 [34]
*Mar 1 00:47:59.423: PPPoE 1: I L:0005.5e96.2cc0 R:0004.c052.7ce0 Et0/0
00 21 45 00 00 64 00 22 00 00 FC 01 CA 4B CB 1E
1E 02 0A 0A 01 01 00 00 6A E7 0F 88 1C 2B 00 00
00 00 00 2B EF 84 AB CD AB CD AB CD AB CD AB
*Mar 1 00:47:59.427: NAT: s=10.10.1.1->203.162.3.1, d=203.30.30.2 [35]
*Mar 1 00:47:59.427: PPPoE 1: O L:0005.5e96.2cc0 R:0004.c052.7ce0 Et0/0
00 04 C0 52 7C E0 00 05 5E 96 2C C0 88 64 11 00
00 01 00 66 00 21 45 00 00 64 00 23 00 00 FF 01
03 B2 CB A2 03 01 CB 1E 1E 02 08 00 62 A6 0F
*Mar 1 00:47:59.487: NAT*: s=203.30.30.2, d=203.162.3.1->10.10.1.1 [35]
*Mar 1 00:47:59.487: PPPoE 1: I L:0005.5e96.2cc0 R:0004.c052.7ce0 Et0/0
00 21 45 00 00 64 00 23 00 00 FC 01 CA 4A CB 1E
1E 02 0A 0A 01 01 00 00 6A A6 0F 89 1C 2B 00 00
00 00 00 2B EF C4 AB CD AB CD AB CD AB CD AB
*Mar 1 00:47:59.491: NAT: s=10.10.1.1->203.162.3.1, d=203.30.30.2 [36]
*Mar 1 00:47:59.491: PPPoE 1: O L:0005.5e96.2cc0 R:0004.c052.7ce0 Et0/0
00 04 C0 52 7C E0 00 05 5E 96 2C C0 88 64 11 00
00 01 00 66 00 21 45 00 00 64 00 24 00 00 FF 01
03 B1 CB A2 03 01 CB 1E 1E 02 08 00 62 65 0F
*Mar 1 00:47:59.551: NAT*: s=203.30.30.2, d=203.162.3.1->10.10.1.1 [36]
*Mar 1 00:47:59.551: PPPoE 1: I L:0005.5e96.2cc0 R:0004.c052.7ce0 Et0/0
00 21 45 00 00 64 00 24 00 00 FC 01 CA 49 CB 1E

1E 02 0A 0A 01 01 00 00 6A 65 0F 8A 1C 2B 00 00
00 00 00 2B F0 04 AB CD AB CD AB CD AB CD AB
*Mar 1 00:47:59.555: NAT: s=10.10.1.1->203.162.3.1, d=203.30.30.2 [37]
*Mar 1 00:47:59.559: PPPoE 1: O L:0005.5e96.2cc0 R:0004.c052.7ce0 Et0/0
00 04 C0 52 7C E0 00 05 5E 96 2C C0 88 64 11 00
00 01 00 66 00 21 45 00 00 64 00 25 00 00 FF 01
03 B0 CB A2 03 01 CB 1E 1E 02 08 00 62 24 0F
*Mar 1 00:47:59.615: NAT*: s=203.30.30.2, d=203.162.3.1->10.10.1.1 [37]
*Mar 1 00:47:59.615: PPPoE 1: I L:0005.5e96.2cc0 R:0004.c052.7ce0 Et0/0
00 21 45 00 00 64 00 25 00 00 FC 01 CA 48 CB 1E
1E 02 0A 0A 01 01 00 00 6A 24 0F 8B 1C 2B 00 00
00 00 00 2B F0 44 AB CD AB CD AB CD AB CD AB
*Mar 1 00:47:59.619: NAT: s=10.10.1.1->203.162.3.1, d=203.30.30.2 [38]
*Mar 1 00:47:59.623: PPPoE 1: O L:0005.5e96.2cc0 R:0004.c052.7ce0 Et0/0
00 04 C0 52 7C E0 00 05 5E 96 2C C0 88 64 11 00
00 01 00 66 00 21 45 00 00 64 00 26 00 00 FF 01
03 AF CB A2 03 01 CB 1E 1E 02 08 00 61 E3 0F
*Mar 1 00:47:59.679: NAT*: s=203.30.30.2, d=203.162.3.1->10.10.1.1 [38]
*Mar 1 00:47:59.683: PPPoE 1: I L:0005.5e96.2cc0 R:0004.c052.7ce0 Et0/0
00 21 45 00 00 64 00 26 00 00 FC 01 CA 47 CB 1E
1E 02 0A 0A 01 01 00 00 69 E3 0F 8C 1C 2B 00 00
00 00 00 2B F0 84 AB CD AB CD AB CD AB CD AB
Dựa vào debug trên, ta thấy quá trình discovery và session diễn ra như trên
debug.
Tương tự như trên PPPoE server, ta cũng test y như trên client:
R1#sh vpdn
%No active L2TP tunnels
%No active L2F tunnels
%No active PPTP tunnels