I have captured the packet information from the device. For the discover request from the device, win2k dhcp server sends (broadcasts) offer. But the dhcp client in the device is not receiving the offer at all
Here is the packet information from ethereal (Sorry for such large amount of text)
DISCOVER Request from device:
No. Time Source Destination Protocol Info 22 73.141000 0.0.0.0 255.255.255.255 DHCP DHCP Discover - Transaction ID 0x22334455
Frame 22 (342 bytes on wire, 342 bytes captured) Arrival Time: Oct 4, 2005 12:30:58.165016000 Time delta from previous packet: 1.193086000 seconds Time since reference or first frame: 73.141000000 seconds Frame Number: 22 Packet Length: 342 bytes Capture Length: 342 bytes Protocols in frame: eth:ip:udp:bootp Ethernet II, Src: 10.0.0.4 (00:b0:00:12:12:28), Dst: Broadcast (ff:ff:ff:ff:ff:ff) Destination: Broadcast (ff:ff:ff:ff:ff:ff) Source: 10.0.0.4 (00:b0:00:12:12:28) Type: IP (0x0800) Internet Protocol, Src: 0.0.0.0 (0.0.0.0), Dst: 255.255.255.255 (255.255.255.255) 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: 328 Identification: 0xaa98 (43672) Flags: 0x00 0... = Reserved bit: Not set .0.. = Don't fragment: Not set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 120 Protocol: UDP (0x11) Header checksum: 0x970d [correct] Source: 0.0.0.0 (0.0.0.0) Destination: 255.255.255.255 (255.255.255.255) User Datagram Protocol, Src Port: bootpc (68), Dst Port: bootps (67) Source port: bootpc (68) Destination port: bootps (67) Length: 308 Checksum: 0xf434 [correct] Bootstrap Protocol Message type: Boot Request (1) Hardware type: Ethernet Hardware address length: 6 Hops: 0 Transaction ID: 0x22334455 Seconds elapsed: 0 Bootp flags: 0x8000 (Broadcast) 1... .... .... .... = Broadcast flag: Broadcast .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: 0.0.0.0 (0.0.0.0) Client MAC address: 10.0.0.4 (00:b0:00:12:12:28) Server host name not given Boot file name not given Magic cookie: (OK) Option 53: DHCP Message Type = DHCP Discover Option 51: IP Address Lease Time = infinity Option 55: Parameter Request List 1 = Subnet Mask 3 = Router 6 = Domain Name Server 15 = Domain Name End Option Padding
OFFER Response from win2k dhcp Server:
No. Time Source Destination Protocol Info 23 73.141206 10.10.1.1 255.255.255.255 DHCP DHCP Offer - Transaction ID 0x22334455
Frame 23 (346 bytes on wire, 346 bytes captured) Arrival Time: Oct 4, 2005 12:30:58.165222000 Time delta from previous packet: 0.000206000 seconds Time since reference or first frame: 73.141206000 seconds Frame Number: 23 Packet Length: 346 bytes Capture Length: 346 bytes Protocols in frame: eth:ip:udp:bootp Ethernet II, Src: 10.10.1.1 (00:11:25:96:f1:91), Dst: Broadcast (ff:ff:ff:ff:ff:ff) Destination: Broadcast (ff:ff:ff:ff:ff:ff) Source: 10.10.1.1 (00:11:25:96:f1:91) Type: IP (0x0800) Internet Protocol, Src: 10.10.1.1 (10.10.1.1), Dst: 255.255.255.255 (255.255.255.255) 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: 332 Identification: 0x19e0 (6624) Flags: 0x00 0... = Reserved bit: Not set .0.. = Don't fragment: Not set ..0. = More fragments: Not set Fragment offset: 0 Time to live: 128 Protocol: UDP (0x11) Header checksum: 0x14b7 [correct] Source: 10.10.1.1 (10.10.1.1) Destination: 255.255.255.255 (255.255.255.255) User Datagram Protocol, Src Port: bootps (67), Dst Port: bootpc (68) Source port: bootps (67) Destination port: bootpc (68) Length: 312 Checksum: 0xf95d [correct] Bootstrap Protocol Message type: Boot Reply (2) Hardware type: Ethernet Hardware address length: 6 Hops: 0 Transaction ID: 0x22334455 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: 10.0.0.4 (10.0.0.4) Next server IP address: 10.10.1.1 (10.10.1.1) Relay agent IP address: 0.0.0.0 (0.0.0.0) Client MAC address: 10.0.0.4 (00:b0:00:12:12:28) Server host name not given Boot file name not given Magic cookie: (OK) Option 53: DHCP Message Type = DHCP Offer Option 1: Subnet Mask = 255.0.0.0 Option 58: Renewal Time Value = 5 days, 1 hour, 30 minutes Option 59: Rebinding Time Value = 8 days, 20 hours, 37 minutes, 30 seconds Option 51: IP Address Lease Time = 10 days, 3 hours Option 54: Server Identifier = 10.10.1.1 Option 6: Domain Name Server = 10.10.1.1 Option 15: Domain Name = "skimmerdev.skimmerdev" End Option