No. Time Source Destination Protocol Info 1606 13.278747 192.168.2.1 10.5.5.240 DHCP DHCP Discover - Transaction ID 0x15a0cf46 Frame 1606 (584 bytes on wire, 584 bytes captured) Arrival Time: Feb 13, 2013 14:20:02.785529000 [Time delta from previous captured frame: 0.000059000 seconds] [Time delta from previous displayed frame: 0.000059000 seconds] [Time since reference or first frame: 13.278747000 seconds] Frame Number: 1606 Frame Length: 584 bytes Capture Length: 584 bytes [Frame is marked: True] [Protocols in frame: eth:ip:udp:bootp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Cisco_f5:9c:01 (00:0c:31:f5:9c:01), Dst: Dell_ad:f7:0e (00:13:72:ad:f7:0e) Destination: Dell_ad:f7:0e (00:13:72:ad:f7:0e) Address: Dell_ad:f7:0e (00:13:72:ad:f7:0e) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) Source: Cisco_f5:9c:01 (00:0c:31:f5:9c:01) Address: Cisco_f5:9c:01 (00:0c:31:f5:9c:01) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) Type: IP (0x0800) Internet Protocol, Src: 192.168.2.1 (192.168.2.1), Dst: 10.5.5.240 (10.5.5.240) Version: 4 Header length: 20 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: 570 Identification: 0x04d1 (1233) Flags: 0x00 0... = Reserved bit: Not set .0.. = Don't fragment: Not set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 255 Protocol: UDP (0x11) Header checksum: 0xe243 [correct] [Good: True] [Bad : False] Source: 192.168.2.1 (192.168.2.1) Destination: 10.5.5.240 (10.5.5.240) User Datagram Protocol, Src Port: bootps (67), Dst Port: bootps (67) Source port: bootps (67) Destination port: bootps (67) Length: 550 Checksum: 0x5ded [correct] [Good Checksum: True] [Bad Checksum: False] Bootstrap Protocol Message type: Boot Request (1) Hardware type: Ethernet Hardware address length: 6 Hops: 1 Transaction ID: 0x15a0cf46 Seconds elapsed: 0 Bootp flags: 0x0000 (Unicast) 0... .... .... .... = Broadcast flag: Unicast .000 0000 0000 0000 = Reserved flags: 0x0000 Client IP address: 0.0.0.0 (0.0.0.0) Your (client) IP address: 0.0.0.0 (0.0.0.0) Next server IP address: 0.0.0.0 (0.0.0.0) Relay agent IP address: 192.168.2.1 (192.168.2.1) Client MAC address: 38:6b:bb:14:cb:00 (38:6b:bb:14:cb:00) Server host name not given Boot file name not given Magic cookie: (OK) Option: (t=53,l=1) DHCP Message Type = DHCP Discover Option: (53) DHCP Message Type Length: 1 Value: 01 Option: (t=60,l=10) Vendor class identifier = "docsis3.0:" Option: (60) Vendor class identifier Length: 10 Value: 646F63736973332E303A Padding (1 byte) Option: (t=61,l=11) Client identifier Option: (61) Client identifier Length: 11 Value: FFBB14CB00386BBB14CB00 Option: (t=125,l=130) V-I Vendor-specific Information Option: (125) V-I Vendor-specific Information Length: 130 Value: 0000118B7D01010205780101010201030301010401010501... Enterprise-number: Cable Television Laboratories, Inc.-4491 Padding (1 byte) Option: (t=43,l=126) Vendor-Specific Information (CableLabs) Option: (43) Vendor-Specific Information Length: 126 Value: 020345434D030345434D0418333539303739323233393234... Suboption 2: Device Type = "ECM" Suboption 3: eSAFE Types = "ECM" Suboption 4: Serial Number = "359079223924565701012019" Suboption 5: Hardware Version = "5.0" Suboption 6: Software Version = "SB612X-1.0.5.1-SCM00-NOSH" Suboption 7: Boot ROM version = "PSPU-Boot(25CLK) 1.0.12.18m3" Suboption 8: OUI = "002040" Suboption 9: Model Number = "SB6121" Suboption 10: Vendor Name = "Motorola" Suboption 15: eSafe Config File Devices = "" Option: (t=55,l=9) Parameter Request List Option: (55) Parameter Request List Length: 9 Value: 0102030407367D4243 1 = Subnet Mask 2 = Time Offset 3 = Router 4 = Time Server 7 = Log Server 54 = Server Identifier 125 = V-I Vendor-specific Information 66 = TFTP Server Name 67 = Bootfile name End Option No. Time Source Destination Protocol Info 1609 13.279974 10.5.5.240 192.168.2.1 DHCP DHCP Offer - Transaction ID 0x15a0cf46 Frame 1609 (398 bytes on wire, 398 bytes captured) Arrival Time: Feb 13, 2013 14:20:02.786756000 [Time delta from previous captured frame: 0.000154000 seconds] [Time delta from previous displayed frame: 0.000154000 seconds] [Time since reference or first frame: 13.279974000 seconds] Frame Number: 1609 Frame Length: 398 bytes Capture Length: 398 bytes [Frame is marked: True] [Protocols in frame: eth:ip:udp:bootp] [Coloring Rule Name: Checksum Errors] [Coloring Rule String: cdp.checksum_bad==1 || edp.checksum_bad==1 || ip.checksum_bad==1 || tcp.checksum_bad==1 || udp.checksum_bad==1] Ethernet II, Src: Dell_ad:f7:0e (00:13:72:ad:f7:0e), Dst: Cisco_f5:9c:01 (00:0c:31:f5:9c:01) Destination: Cisco_f5:9c:01 (00:0c:31:f5:9c:01) Address: Cisco_f5:9c:01 (00:0c:31:f5:9c:01) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) Source: Dell_ad:f7:0e (00:13:72:ad:f7:0e) Address: Dell_ad:f7:0e (00:13:72:ad:f7:0e) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) Type: IP (0x0800) Internet Protocol, Src: 10.5.5.240 (10.5.5.240), Dst: 192.168.2.1 (192.168.2.1) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x10 (DSCP 0x04: Unknown DSCP; ECN: 0x00) 0001 00.. = Differentiated Services Codepoint: Unknown (0x04) .... ..0. = ECN-Capable Transport (ECT): 0 .... ...0 = ECN-CE: 0 Total Length: 384 Identification: 0x0000 (0) Flags: 0x04 (Don't Fragment) 0... = Reserved bit: Not set .1.. = Don't fragment: Set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 16 Protocol: UDP (0x11) Header checksum: 0x96bf [correct] [Good: True] [Bad : False] Source: 10.5.5.240 (10.5.5.240) Destination: 192.168.2.1 (192.168.2.1) User Datagram Protocol, Src Port: bootps (67), Dst Port: bootps (67) Source port: bootps (67) Destination port: bootps (67) Length: 364 Checksum: 0xd41b [incorrect, should be 0x5701 (maybe caused by "UDP checksum offload"?)] [Good Checksum: False] [Bad Checksum: True] Bootstrap Protocol Message type: Boot Reply (2) Hardware type: Ethernet Hardware address length: 6 Hops: 0 Transaction ID: 0x15a0cf46 Seconds elapsed: 0 Bootp flags: 0x0000 (Unicast) 0... .... .... .... = Broadcast flag: Unicast .000 0000 0000 0000 = Reserved flags: 0x0000 Client IP address: 0.0.0.0 (0.0.0.0) Your (client) IP address: 192.168.2.100 (192.168.2.100) Next server IP address: 10.5.5.240 (10.5.5.240) Relay agent IP address: 192.168.2.1 (192.168.2.1) Client MAC address: 38:6b:bb:14:cb:00 (38:6b:bb:14:cb:00) Server host name: 10.5.5.240 Boot file name: ^1/2074AFE1/ Magic cookie: (OK) Option: (t=53,l=1) DHCP Message Type = DHCP Offer Option: (53) DHCP Message Type Length: 1 Value: 02 Option: (t=1,l=4) Subnet Mask = 255.255.255.0 Option: (1) Subnet Mask Length: 4 Value: FFFFFF00 Option: (t=3,l=4) Router = 192.168.2.1 Option: (3) Router Length: 4 Value: C0A80201 Option: (t=4,l=4) Time Server = 10.5.5.240 Option: (4) Time Server Length: 4 Value: 0A0505F0 Option: (t=54,l=4) Server Identifier = 10.5.5.240 Option: (54) Server Identifier Length: 4 Value: 0A0505F0 Option: (t=66,l=10) TFTP Server Name = "10.5.5.240" Option: (66) TFTP Server Name Length: 10 Value: 31302E352E352E323430 Option: (t=67,l=12) Bootfile name = "^1/2074AFE1/" Option: (67) Bootfile name Length: 12 Value: 5E312F32303734414645312F Option: (t=51,l=4) IP Address Lease Time = 1 hour Option: (51) IP Address Lease Time Length: 4 Value: 00000E10 Option: (t=59,l=4) Rebinding Time Value = 52 minutes, 30 seconds Option: (59) Rebinding Time Value Length: 4 Value: 00000C4E Option: (t=58,l=4) Renewal Time Value = 30 minutes Option: (58) Renewal Time Value Length: 4 Value: 00000708 Option: (t=6,l=4) Domain Name Server = 10.5.5.1 Option: (6) Domain Name Server Length: 4 Value: 0A050501 Option: (t=12,l=12) Host Name = "386BBB14CB00" Option: (12) Host Name Length: 12 Value: 333836424242313443423030 Option: (t=15,l=16) Domain Name = "lindsaylab.local" Option: (15) Domain Name Length: 16 Value: 6C696E647361796C61622E6C6F63616C Option: (t=42,l=4) Network Time Protocol Servers = 10.5.5.1 Option: (42) Network Time Protocol Servers Length: 4 Value: 0A050501 End Option No. Time Source Destination Protocol Info 1632 13.460564 192.168.2.1 10.5.5.240 DHCP DHCP Request - Transaction ID 0x15a0cf46 Frame 1632 (596 bytes on wire, 596 bytes captured) Arrival Time: Feb 13, 2013 14:20:02.967346000 [Time delta from previous captured frame: 0.012013000 seconds] [Time delta from previous displayed frame: 0.012013000 seconds] [Time since reference or first frame: 13.460564000 seconds] Frame Number: 1632 Frame Length: 596 bytes Capture Length: 596 bytes [Frame is marked: True] [Protocols in frame: eth:ip:udp:bootp] [Coloring Rule Name: UDP] [Coloring Rule String: udp] Ethernet II, Src: Cisco_f5:9c:01 (00:0c:31:f5:9c:01), Dst: Dell_ad:f7:0e (00:13:72:ad:f7:0e) Destination: Dell_ad:f7:0e (00:13:72:ad:f7:0e) Address: Dell_ad:f7:0e (00:13:72:ad:f7:0e) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) Source: Cisco_f5:9c:01 (00:0c:31:f5:9c:01) Address: Cisco_f5:9c:01 (00:0c:31:f5:9c:01) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) Type: IP (0x0800) Internet Protocol, Src: 192.168.2.1 (192.168.2.1), Dst: 10.5.5.240 (10.5.5.240) Version: 4 Header length: 20 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: 582 Identification: 0x04d4 (1236) Flags: 0x00 0... = Reserved bit: Not set .0.. = Don't fragment: Not set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 255 Protocol: UDP (0x11) Header checksum: 0xe234 [correct] [Good: True] [Bad : False] Source: 192.168.2.1 (192.168.2.1) Destination: 10.5.5.240 (10.5.5.240) User Datagram Protocol, Src Port: bootps (67), Dst Port: bootps (67) Source port: bootps (67) Destination port: bootps (67) Length: 562 Checksum: 0x20cb [correct] [Good Checksum: True] [Bad Checksum: False] Bootstrap Protocol Message type: Boot Request (1) Hardware type: Ethernet Hardware address length: 6 Hops: 1 Transaction ID: 0x15a0cf46 Seconds elapsed: 0 Bootp flags: 0x0000 (Unicast) 0... .... .... .... = Broadcast flag: Unicast .000 0000 0000 0000 = Reserved flags: 0x0000 Client IP address: 0.0.0.0 (0.0.0.0) Your (client) IP address: 0.0.0.0 (0.0.0.0) Next server IP address: 0.0.0.0 (0.0.0.0) Relay agent IP address: 192.168.2.1 (192.168.2.1) Client MAC address: 38:6b:bb:14:cb:00 (38:6b:bb:14:cb:00) Server host name not given Boot file name not given Magic cookie: (OK) Option: (t=53,l=1) DHCP Message Type = DHCP Request Option: (53) DHCP Message Type Length: 1 Value: 03 Option: (t=60,l=10) Vendor class identifier = "docsis3.0:" Option: (60) Vendor class identifier Length: 10 Value: 646F63736973332E303A Padding (1 byte) Option: (t=61,l=11) Client identifier Option: (61) Client identifier Length: 11 Value: FFBB14CB00386BBB14CB00 Option: (t=125,l=130) V-I Vendor-specific Information Option: (125) V-I Vendor-specific Information Length: 130 Value: 0000118B7D01010205780101010201030301010401010501... Enterprise-number: Cable Television Laboratories, Inc.-4491 Padding (1 byte) Option: (t=43,l=126) Vendor-Specific Information (CableLabs) Option: (43) Vendor-Specific Information Length: 126 Value: 020345434D030345434D0418333539303739323233393234... Suboption 2: Device Type = "ECM" Suboption 3: eSAFE Types = "ECM" Suboption 4: Serial Number = "359079223924565701012019" Suboption 5: Hardware Version = "5.0" Suboption 6: Software Version = "SB612X-1.0.5.1-SCM00-NOSH" Suboption 7: Boot ROM version = "PSPU-Boot(25CLK) 1.0.12.18m3" Suboption 8: OUI = "002040" Suboption 9: Model Number = "SB6121" Suboption 10: Vendor Name = "Motorola" Suboption 15: eSafe Config File Devices = "" Option: (t=50,l=4) Requested IP Address = 192.168.2.100 Option: (50) Requested IP Address Length: 4 Value: C0A80264 Option: (t=54,l=4) Server Identifier = 10.5.5.240 Option: (54) Server Identifier Length: 4 Value: 0A0505F0 Option: (t=55,l=9) Parameter Request List Option: (55) Parameter Request List Length: 9 Value: 0102030407367D4243 1 = Subnet Mask 2 = Time Offset 3 = Router 4 = Time Server 7 = Log Server 54 = Server Identifier 125 = V-I Vendor-specific Information 66 = TFTP Server Name 67 = Bootfile name End Option No. Time Source Destination Protocol Info 1634 13.461715 10.5.5.240 192.168.2.1 DHCP DHCP ACK - Transaction ID 0x15a0cf46 Frame 1634 (398 bytes on wire, 398 bytes captured) Arrival Time: Feb 13, 2013 14:20:02.968497000 [Time delta from previous captured frame: 0.000748000 seconds] [Time delta from previous displayed frame: 0.000748000 seconds] [Time since reference or first frame: 13.461715000 seconds] Frame Number: 1634 Frame Length: 398 bytes Capture Length: 398 bytes [Frame is marked: True] [Protocols in frame: eth:ip:udp:bootp] [Coloring Rule Name: Checksum Errors] [Coloring Rule String: cdp.checksum_bad==1 || edp.checksum_bad==1 || ip.checksum_bad==1 || tcp.checksum_bad==1 || udp.checksum_bad==1] Ethernet II, Src: Dell_ad:f7:0e (00:13:72:ad:f7:0e), Dst: Cisco_f5:9c:01 (00:0c:31:f5:9c:01) Destination: Cisco_f5:9c:01 (00:0c:31:f5:9c:01) Address: Cisco_f5:9c:01 (00:0c:31:f5:9c:01) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) Source: Dell_ad:f7:0e (00:13:72:ad:f7:0e) Address: Dell_ad:f7:0e (00:13:72:ad:f7:0e) .... ...0 .... .... .... .... = IG bit: Individual address (unicast) .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default) Type: IP (0x0800) Internet Protocol, Src: 10.5.5.240 (10.5.5.240), Dst: 192.168.2.1 (192.168.2.1) Version: 4 Header length: 20 bytes Differentiated Services Field: 0x10 (DSCP 0x04: Unknown DSCP; ECN: 0x00) 0001 00.. = Differentiated Services Codepoint: Unknown (0x04) .... ..0. = ECN-Capable Transport (ECT): 0 .... ...0 = ECN-CE: 0 Total Length: 384 Identification: 0x0000 (0) Flags: 0x04 (Don't Fragment) 0... = Reserved bit: Not set .1.. = Don't fragment: Set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 16 Protocol: UDP (0x11) Header checksum: 0x96bf [correct] [Good: True] [Bad : False] Source: 10.5.5.240 (10.5.5.240) Destination: 192.168.2.1 (192.168.2.1) User Datagram Protocol, Src Port: bootps (67), Dst Port: bootps (67) Source port: bootps (67) Destination port: bootps (67) Length: 364 Checksum: 0xd41b [incorrect, should be 0x5401 (maybe caused by "UDP checksum offload"?)] [Good Checksum: False] [Bad Checksum: True] Bootstrap Protocol Message type: Boot Reply (2) Hardware type: Ethernet Hardware address length: 6 Hops: 0 Transaction ID: 0x15a0cf46 Seconds elapsed: 0 Bootp flags: 0x0000 (Unicast) 0... .... .... .... = Broadcast flag: Unicast .000 0000 0000 0000 = Reserved flags: 0x0000 Client IP address: 0.0.0.0 (0.0.0.0) Your (client) IP address: 192.168.2.100 (192.168.2.100) Next server IP address: 10.5.5.240 (10.5.5.240) Relay agent IP address: 192.168.2.1 (192.168.2.1) Client MAC address: 38:6b:bb:14:cb:00 (38:6b:bb:14:cb:00) Server host name: 10.5.5.240 Boot file name: ^1/2074AFE1/ Magic cookie: (OK) Option: (t=53,l=1) DHCP Message Type = DHCP ACK Option: (53) DHCP Message Type Length: 1 Value: 05 Option: (t=1,l=4) Subnet Mask = 255.255.255.0 Option: (1) Subnet Mask Length: 4 Value: FFFFFF00 Option: (t=3,l=4) Router = 192.168.2.1 Option: (3) Router Length: 4 Value: C0A80201 Option: (t=4,l=4) Time Server = 10.5.5.240 Option: (4) Time Server Length: 4 Value: 0A0505F0 Option: (t=54,l=4) Server Identifier = 10.5.5.240 Option: (54) Server Identifier Length: 4 Value: 0A0505F0 Option: (t=66,l=10) TFTP Server Name = "10.5.5.240" Option: (66) TFTP Server Name Length: 10 Value: 31302E352E352E323430 Option: (t=67,l=12) Bootfile name = "^1/2074AFE1/" Option: (67) Bootfile name Length: 12 Value: 5E312F32303734414645312F Option: (t=51,l=4) IP Address Lease Time = 1 hour Option: (51) IP Address Lease Time Length: 4 Value: 00000E10 Option: (t=59,l=4) Rebinding Time Value = 52 minutes, 30 seconds Option: (59) Rebinding Time Value Length: 4 Value: 00000C4E Option: (t=58,l=4) Renewal Time Value = 30 minutes Option: (58) Renewal Time Value Length: 4 Value: 00000708 Option: (t=6,l=4) Domain Name Server = 10.5.5.1 Option: (6) Domain Name Server Length: 4 Value: 0A050501 Option: (t=12,l=12) Host Name = "386BBB14CB00" Option: (12) Host Name Length: 12 Value: 333836424242313443423030 Option: (t=15,l=16) Domain Name = "lindsaylab.local" Option: (15) Domain Name Length: 16 Value: 6C696E647361796C61622E6C6F63616C Option: (t=42,l=4) Network Time Protocol Servers = 10.5.5.1 Option: (42) Network Time Protocol Servers Length: 4 Value: 0A050501 End Option