| 1 | No. Time Source Destination Protocol Info
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| 2 | 20 7.137865 172.22.4.1 255.255.255.255 DHCP DHCP Offer - Transaction ID 0x16000491
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| 3 |
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| 4 | Frame 20 (363 bytes on wire, 363 bytes captured)
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| 5 | Arrival Time: Jun 28, 2011 14:36:23.485506000
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| 6 | [Time delta from previous captured frame: 0.002589000 seconds]
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| 7 | [Time delta from previous displayed frame: 0.002589000 seconds]
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| 8 | [Time since reference or first frame: 7.137865000 seconds]
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| 9 | Frame Number: 20
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| 10 | Frame Length: 363 bytes
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| 11 | Capture Length: 363 bytes
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| 12 | [Frame is marked: False]
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| 13 | [Protocols in frame: eth:ip:udp:bootp]
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| 14 | [Coloring Rule Name: UDP]
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| 15 | [Coloring Rule String: udp]
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| 16 | Ethernet II, Src: Cats_00:04:01 (00:08:15:00:04:01), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
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| 17 | Destination: Broadcast (ff:ff:ff:ff:ff:ff)
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| 18 | Address: Broadcast (ff:ff:ff:ff:ff:ff)
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| 19 | .... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
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| 20 | .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
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| 21 | Source: Cats_00:04:01 (00:08:15:00:04:01)
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| 22 | Address: Cats_00:04:01 (00:08:15:00:04:01)
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| 23 | .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
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| 24 | .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
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| 25 | Type: IP (0x0800)
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| 26 | Internet Protocol, Src: 172.22.4.1 (172.22.4.1), Dst: 255.255.255.255 (255.255.255.255)
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| 27 | Version: 4
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| 28 | Header length: 20 bytes
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| 29 | Differentiated Services Field: 0x10 (DSCP 0x04: Unknown DSCP; ECN: 0x00)
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| 30 | 0001 00.. = Differentiated Services Codepoint: Unknown (0x04)
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| 31 | .... ..0. = ECN-Capable Transport (ECT): 0
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| 32 | .... ...0 = ECN-CE: 0
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| 33 | Total Length: 349
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| 34 | Identification: 0x0000 (0)
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| 35 | Flags: 0x00
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| 36 | 0.. = Reserved bit: Not Set
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| 37 | .0. = Don't fragment: Not Set
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| 38 | ..0 = More fragments: Not Set
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| 39 | Fragment offset: 0
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| 40 | Time to live: 128
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| 41 | Protocol: UDP (0x11)
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| 42 | Header checksum: 0x8969 [correct]
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| 43 | [Good: True]
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| 44 | [Bad : False]
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| 45 | Source: 172.22.4.1 (172.22.4.1)
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| 46 | Destination: 255.255.255.255 (255.255.255.255)
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| 47 | User Datagram Protocol, Src Port: bootps (67), Dst Port: bootpc (68)
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| 48 | Source port: bootps (67)
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| 49 | Destination port: bootpc (68)
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| 50 | Length: 329
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| 51 | Checksum: 0x8be2 [validation disabled]
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| 52 | [Good Checksum: False]
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| 53 | [Bad Checksum: False]
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| 54 | Bootstrap Protocol
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| 55 | Message type: Boot Reply (2)
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| 56 | Hardware type: Ethernet
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| 57 | Hardware address length: 6
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| 58 | Hops: 1
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| 59 | Transaction ID: 0x16000491
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| 60 | Seconds elapsed: 4
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| 61 | Bootp flags: 0x8000 (Broadcast)
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| 62 | 1... .... .... .... = Broadcast flag: Broadcast
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| 63 | .000 0000 0000 0000 = Reserved flags: 0x0000
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| 64 | Client IP address: 0.0.0.0 (0.0.0.0)
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| 65 | Your (client) IP address: 172.22.4.51 (172.22.4.51)
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| 66 | Next server IP address: 172.22.219.91 (172.22.219.91)
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| 67 | Relay agent IP address: 172.22.4.1 (172.22.4.1)
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| 68 | Client MAC address: Cats_00:04:91 (00:08:15:00:04:91)
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| 69 | Client hardware address padding: 00000000000000000000
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| 70 | Server host name not given
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| 71 | Boot file name: linux/pxelinux.0
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| 72 | Magic cookie: (OK)
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| 73 | Option: (t=53,l=1) DHCP Message Type = DHCP Offer
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| 74 | Option: (53) DHCP Message Type
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| 75 | Length: 1
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| 76 | Value: 02
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| 77 | Option: (t=54,l=4) DHCP Server Identifier = 172.22.9.92
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| 78 | Option: (54) DHCP Server Identifier
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| 79 | Length: 4
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| 80 | Value: AC16095C
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| 81 | Option: (t=51,l=4) IP Address Lease Time = 1 day
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| 82 | Option: (51) IP Address Lease Time
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| 83 | Length: 4
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| 84 | Value: 00015180
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| 85 | Option: (t=1,l=4) Subnet Mask = 255.255.255.0
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| 86 | Option: (1) Subnet Mask
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| 87 | Length: 4
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| 88 | Value: FFFFFF00
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| 89 | Option: (t=3,l=4) Router = 172.22.4.254
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| 90 | Option: (3) Router
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| 91 | Length: 4
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| 92 | Value: AC1604FE
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| 93 | Option: (t=6,l=8) Domain Name Server
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| 94 | Option: (6) Domain Name Server
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| 95 | Length: 8
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| 96 | Value: 810D4005810D6002
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| 97 | IP Address: 129.13.64.5
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| 98 | IP Address: 129.13.96.2
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| 99 | Option: (t=12,l=6) Host Name = "test01"
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| 100 | Option: (12) Host Name
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| 101 | Length: 6
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| 102 | Value: 746573743031
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| 103 | Option: (t=15,l=21) Domain Name = "arch.uni-karlsruhe.de"
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| 104 | Option: (15) Domain Name
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| 105 | Length: 21
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| 106 | Value: 617263682E756E692D6B61726C73727568652E6465
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| 107 | Option: (t=58,l=4) Renewal Time Value = 12 hours
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| 108 | Option: (58) Renewal Time Value
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| 109 | Length: 4
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| 110 | Value: 0000A8C0
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| 111 | Option: (t=59,l=4) Rebinding Time Value = 21 hours
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| 112 | Option: (59) Rebinding Time Value
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| 113 | Length: 4
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| 114 | Value: 00012750
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| 115 | End Option
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