Topologie s CISCO routery

Výpis datagramu s volitelnou položkou zaznamenávej směrovače (record route). Odpověď zachycená na zdrojovém PC:

No.     Time        Source                Destination           Protocol Info
      3 0.787865    192.168.3.2           192.168.4.2           ICMP     Echo (ping) reply 

Frame 3 (138 bytes on wire, 138 bytes captured)
    Arrival Time: Jun  1, 2005 16:36:37.700161000
    Time delta from previous packet: 0.042245000 seconds
    Time since reference or first frame: 0.787865000 seconds
    Frame Number: 3
    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: 0x4d60 (19808)
    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: 0xcd45 (correct)
    Source: 192.168.3.2 (192.168.3.2)
    Destination: 192.168.4.2 (192.168.4.2)
    Options: (40 bytes)
        Record route (39 bytes)
            Pointer: 32
            192.168.4.2
            192.168.5.2
            192.168.3.1
            192.168.3.2
            192.168.3.2
            192.168.5.1
            192.168.4.1
            - <- (current)
            -
        EOL
Internet Control Message Protocol
    Type: 0 (Echo (ping) reply)
    Code: 0 
    Checksum: 0xb9b6 (correct)
    Identifier: 0xcc14
    Sequence number: 0x0001
    Data (56 bytes)

0000  15 e4 9d 42 d2 09 0a 00 08 09 0a 0b 0c 0d 0e 0f   ...B............
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