Topologie s CISCO routery
Výpis datagramu s volitelnou položkou zaznamenávej čas (record timestamps). Odpověď zachycená na zdrojovém PC:
No. Time Source Destination Protocol Info 5 18.150183 192.168.3.2 192.168.4.2 ICMP Echo (ping) reply Frame 5 (138 bytes on wire, 138 bytes captured) Arrival Time: Jun 1, 2005 16:41:45.051248000 Time delta from previous packet: 0.042911000 seconds Time since reference or first frame: 18.150183000 seconds Frame Number: 5 Packet Length: 138 bytes Capture Length: 138 bytes Protocols in frame: eth:ip:icmp:data Ethernet II, Src: 00:30:94:e5:bc:f0, Dst: 00:90:f5:2a:8b:82 Destination: 00:90:f5:2a:8b:82 (Clevo_2a:8b:82) Source: 00:30:94:e5:bc:f0 (Cisco_e5:bc:f0) Type: IP (0x0800) Internet Protocol, Src Addr: 192.168.3.2 (192.168.3.2), Dst Addr: 192.168.4.2 (192.168.4.2) Version: 4 Header length: 60 bytes Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00) 0000 00.. = Differentiated Services Codepoint: Default (0x00) .... ..0. = ECN-Capable Transport (ECT): 0 .... ...0 = ECN-CE: 0 Total Length: 124 Identification: 0x4d67 (19815) Flags: 0x00 0... = Reserved bit: Not set .0.. = Don't fragment: Not set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 62 Protocol: ICMP (0x01) Header checksum: 0xe6ca (correct) Source: 192.168.3.2 (192.168.3.2) Destination: 192.168.4.2 (192.168.4.2) Options: (40 bytes) Time stamp: Pointer: 33 Overflow: 0 Flag: Time stamps only Time stamp = 60105008 Time stamp = 2150114870 Time stamp = 2150114716 Time stamp = 52938406 Time stamp = 52938406 Time stamp = 2150114719 Time stamp = 2150114910 Time stamp = 0 Time stamp = 0 Internet Control Message Protocol Type: 0 (Echo (ping) reply) Code: 0 Checksum: 0xb99e (correct) Identifier: 0x0f15 Sequence number: 0x0001 Data (56 bytes) 0000 49 e5 9d 42 65 20 00 00 08 09 0a 0b 0c 0d 0e 0f I..Be .......... 0010 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f ................ 0020 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f !"#$%&'()*+,-./ 0030 30 31 32 33 34 35 36 37 01234567