Cisco Network part 71

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Cisco Network part 71

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Nội dung Text: Cisco Network part 71

  1. 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)
  2. 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
  3. 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.
  4. 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
  5. 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
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