VirtualBox

Ticket #9120: dhcp-ack-packet.txt

File dhcp-ack-packet.txt, 4.5 KB (added by Thomas Besser, 13 years ago)

wireshark snippet - dhcp offer

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

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