adding notes
This commit is contained in:
parent
482a12b819
commit
cb8e6c031c
Binary file not shown.
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No. Time Source Destination Protocol Length Info
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1 0.000000 0.0.0.0 255.255.255.255 DHCP 342 DHCP Discover - Transaction ID 0xbcf9e62c
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Frame 1: 342 bytes on wire (2736 bits), 342 bytes captured (2736 bits)
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Encapsulation type: Ethernet (1)
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Arrival Time: May 1, 2023 10:20:50.175697000 PDT
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[Time shift for this packet: 0.000000000 seconds]
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Epoch Time: 1682961650.175697000 seconds
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[Time delta from previous captured frame: 0.000000000 seconds]
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[Time delta from previous displayed frame: 0.000000000 seconds]
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[Time since reference or first frame: 0.000000000 seconds]
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Frame Number: 1
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Frame Length: 342 bytes (2736 bits)
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Capture Length: 342 bytes (2736 bits)
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[Frame is marked: False]
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[Frame is ignored: False]
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[Protocols in frame: eth:ethertype:ip:udp:dhcp]
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[Coloring Rule Name: UDP]
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[Coloring Rule String: udp]
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Ethernet II, Src: Raspberr_b6:a1:a7 (b8:27:eb:b6:a1:a7), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
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Destination: Broadcast (ff:ff:ff:ff:ff:ff)
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Address: Broadcast (ff:ff:ff:ff:ff:ff)
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.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
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.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
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Source: Raspberr_b6:a1:a7 (b8:27:eb:b6:a1:a7)
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Address: Raspberr_b6:a1:a7 (b8:27:eb:b6:a1:a7)
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.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
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.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
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Type: IPv4 (0x0800)
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Internet Protocol Version 4, Src: 0.0.0.0, Dst: 255.255.255.255
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0100 .... = Version: 4
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.... 0101 = Header Length: 20 bytes (5)
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Differentiated Services Field: 0x10 (DSCP: Unknown, ECN: Not-ECT)
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0001 00.. = Differentiated Services Codepoint: Unknown (4)
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.... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)
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Total Length: 328
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Identification: 0x0000 (0)
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Flags: 0x00
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0... .... = Reserved bit: Not set
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.0.. .... = Don't fragment: Not set
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..0. .... = More fragments: Not set
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...0 0000 0000 0000 = Fragment Offset: 0
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Time to Live: 128
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Protocol: UDP (17)
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Header Checksum: 0x3996 [validation disabled]
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[Header checksum status: Unverified]
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Source Address: 0.0.0.0
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Destination Address: 255.255.255.255
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User Datagram Protocol, Src Port: 68, Dst Port: 67
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Source Port: 68
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Destination Port: 67
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Length: 308
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Checksum: 0x5b64 [unverified]
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[Checksum Status: Unverified]
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[Stream index: 0]
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[Timestamps]
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[Time since first frame: 0.000000000 seconds]
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[Time since previous frame: 0.000000000 seconds]
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UDP payload (300 bytes)
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Dynamic Host Configuration Protocol (Discover)
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Message type: Boot Request (1)
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Hardware type: Ethernet (0x01)
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Hardware address length: 6
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Hops: 0
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Transaction ID: 0xbcf9e62c
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Seconds elapsed: 0
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Bootp flags: 0x0000 (Unicast)
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0... .... .... .... = Broadcast flag: Unicast
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.000 0000 0000 0000 = Reserved flags: 0x0000
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Client IP address: 0.0.0.0
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Your (client) IP address: 0.0.0.0
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Next server IP address: 0.0.0.0
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Relay agent IP address: 0.0.0.0
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Client MAC address: Raspberr_b6:a1:a7 (b8:27:eb:b6:a1:a7)
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Client hardware address padding: 00000000000000000000
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Server host name not given
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Boot file name not given
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Magic cookie: DHCP
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Option: (53) DHCP Message Type (Discover)
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Length: 1
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DHCP: Discover (1)
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Option: (12) Host Name
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Length: 4
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Host Name: cdev
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Option: (55) Parameter Request List
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Length: 13
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Parameter Request List Item: (1) Subnet Mask
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Parameter Request List Item: (28) Broadcast Address
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Parameter Request List Item: (2) Time Offset
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Parameter Request List Item: (3) Router
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Parameter Request List Item: (15) Domain Name
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Parameter Request List Item: (6) Domain Name Server
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Parameter Request List Item: (119) Domain Search
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Parameter Request List Item: (12) Host Name
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Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
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Parameter Request List Item: (47) NetBIOS over TCP/IP Scope
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Parameter Request List Item: (26) Interface MTU
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Parameter Request List Item: (121) Classless Static Route
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Parameter Request List Item: (42) Network Time Protocol Servers
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Option: (255) End
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Option End: 255
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Padding: 0000000000000000000000000000000000000000000000000000000000000000000000
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0000 ff ff ff ff ff ff b8 27 eb b6 a1 a7 08 00 45 10 .......'......E.
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0010 01 48 00 00 00 00 80 11 39 96 00 00 00 00 ff ff .H......9.......
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0020 ff ff 00 44 00 43 01 34 5b 64 01 01 06 00 bc f9 ...D.C.4[d......
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0030 e6 2c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 .,..............
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0040 00 00 00 00 00 00 b8 27 eb b6 a1 a7 00 00 00 00 .......'........
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0050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0080 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0090 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0100 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0110 00 00 00 00 00 00 63 82 53 63 35 01 01 0c 04 63 ......c.Sc5....c
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0120 64 65 76 37 0d 01 1c 02 03 0f 06 77 0c 2c 2f 1a dev7.......w.,/.
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0130 79 2a ff 00 00 00 00 00 00 00 00 00 00 00 00 00 y*..............
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0140 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0150 00 00 00 00 00 00 ......
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No. Time Source Destination Protocol Length Info
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2 2.328938 0.0.0.0 255.255.255.255 DHCP 342 DHCP Discover - Transaction ID 0xbcf9e62c
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Frame 2: 342 bytes on wire (2736 bits), 342 bytes captured (2736 bits)
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Encapsulation type: Ethernet (1)
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Arrival Time: May 1, 2023 10:20:52.504635000 PDT
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[Time shift for this packet: 0.000000000 seconds]
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Epoch Time: 1682961652.504635000 seconds
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[Time delta from previous captured frame: 2.328938000 seconds]
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[Time delta from previous displayed frame: 2.328938000 seconds]
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[Time since reference or first frame: 2.328938000 seconds]
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Frame Number: 2
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Frame Length: 342 bytes (2736 bits)
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Capture Length: 342 bytes (2736 bits)
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[Frame is marked: False]
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[Frame is ignored: False]
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[Protocols in frame: eth:ethertype:ip:udp:dhcp]
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[Coloring Rule Name: UDP]
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[Coloring Rule String: udp]
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Ethernet II, Src: Raspberr_b6:a1:a7 (b8:27:eb:b6:a1:a7), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
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Destination: Broadcast (ff:ff:ff:ff:ff:ff)
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Address: Broadcast (ff:ff:ff:ff:ff:ff)
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.... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
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.... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
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Source: Raspberr_b6:a1:a7 (b8:27:eb:b6:a1:a7)
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Address: Raspberr_b6:a1:a7 (b8:27:eb:b6:a1:a7)
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.... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
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.... ...0 .... .... .... .... = IG bit: Individual address (unicast)
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Type: IPv4 (0x0800)
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Internet Protocol Version 4, Src: 0.0.0.0, Dst: 255.255.255.255
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0100 .... = Version: 4
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.... 0101 = Header Length: 20 bytes (5)
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Differentiated Services Field: 0x10 (DSCP: Unknown, ECN: Not-ECT)
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0001 00.. = Differentiated Services Codepoint: Unknown (4)
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.... ..00 = Explicit Congestion Notification: Not ECN-Capable Transport (0)
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Total Length: 328
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Identification: 0x0000 (0)
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Flags: 0x00
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0... .... = Reserved bit: Not set
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.0.. .... = Don't fragment: Not set
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..0. .... = More fragments: Not set
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...0 0000 0000 0000 = Fragment Offset: 0
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Time to Live: 128
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Protocol: UDP (17)
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Header Checksum: 0x3996 [validation disabled]
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[Header checksum status: Unverified]
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Source Address: 0.0.0.0
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Destination Address: 255.255.255.255
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User Datagram Protocol, Src Port: 68, Dst Port: 67
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Source Port: 68
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Destination Port: 67
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Length: 308
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Checksum: 0x5b61 [unverified]
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[Checksum Status: Unverified]
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[Stream index: 0]
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[Timestamps]
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[Time since first frame: 2.328938000 seconds]
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[Time since previous frame: 2.328938000 seconds]
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UDP payload (300 bytes)
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Dynamic Host Configuration Protocol (Discover)
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Message type: Boot Request (1)
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Hardware type: Ethernet (0x01)
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Hardware address length: 6
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Hops: 0
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Transaction ID: 0xbcf9e62c
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Seconds elapsed: 3
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Bootp flags: 0x0000 (Unicast)
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0... .... .... .... = Broadcast flag: Unicast
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.000 0000 0000 0000 = Reserved flags: 0x0000
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Client IP address: 0.0.0.0
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Your (client) IP address: 0.0.0.0
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Next server IP address: 0.0.0.0
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Relay agent IP address: 0.0.0.0
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Client MAC address: Raspberr_b6:a1:a7 (b8:27:eb:b6:a1:a7)
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Client hardware address padding: 00000000000000000000
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Server host name not given
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Boot file name not given
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Magic cookie: DHCP
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Option: (53) DHCP Message Type (Discover)
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Length: 1
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DHCP: Discover (1)
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Option: (12) Host Name
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Length: 4
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Host Name: cdev
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Option: (55) Parameter Request List
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Length: 13
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Parameter Request List Item: (1) Subnet Mask
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Parameter Request List Item: (28) Broadcast Address
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Parameter Request List Item: (2) Time Offset
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Parameter Request List Item: (3) Router
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Parameter Request List Item: (15) Domain Name
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Parameter Request List Item: (6) Domain Name Server
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Parameter Request List Item: (119) Domain Search
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Parameter Request List Item: (12) Host Name
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Parameter Request List Item: (44) NetBIOS over TCP/IP Name Server
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Parameter Request List Item: (47) NetBIOS over TCP/IP Scope
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Parameter Request List Item: (26) Interface MTU
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Parameter Request List Item: (121) Classless Static Route
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Parameter Request List Item: (42) Network Time Protocol Servers
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Option: (255) End
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Option End: 255
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Padding: 0000000000000000000000000000000000000000000000000000000000000000000000
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0000 ff ff ff ff ff ff b8 27 eb b6 a1 a7 08 00 45 10 .......'......E.
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0010 01 48 00 00 00 00 80 11 39 96 00 00 00 00 ff ff .H......9.......
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0020 ff ff 00 44 00 43 01 34 5b 61 01 01 06 00 bc f9 ...D.C.4[a......
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0030 e6 2c 00 03 00 00 00 00 00 00 00 00 00 00 00 00 .,..............
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0040 00 00 00 00 00 00 b8 27 eb b6 a1 a7 00 00 00 00 .......'........
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0050 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0060 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0070 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0080 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0090 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00b0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00d0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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00f0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0100 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0110 00 00 00 00 00 00 63 82 53 63 35 01 01 0c 04 63 ......c.Sc5....c
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0120 64 65 76 37 0d 01 1c 02 03 0f 06 77 0c 2c 2f 1a dev7.......w.,/.
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0130 79 2a ff 00 00 00 00 00 00 00 00 00 00 00 00 00 y*..............
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0140 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
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0150 00 00 00 00 00 00 ......
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