When user connects to the HUB he is resieve the link local DHCP address 169.254.x.x, but the server give the right IP address. But on other hubs everything works correctly, what could be the problem? I attach ipconfig files and a log with wireshark.
Wireshark log
Code: Select all
------------------------------------Discover---------------------------------------
Dynamic Host Configuration Protocol (Discover)
Message type: Boot Request (1)
Hardware type: Ethernet (0x01)
Hardware address length: 6
Hops: 0
Transaction ID: 0x781c9008
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
Client IP address: 0.0.0.0
Your (client) IP address: 0.0.0.0
Next server IP address: 0.0.0.0
Relay agent IP address: 0.0.0.0
Client MAC address: 5e:ab:fd:34:76:84 (5e:ab:fd:34:76:84)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type (Discover)
Option: (61) Client identifier
Option: (12) Host Name
Option: (60) Vendor class identifier
Option: (55) Parameter Request List
Option: (255) End
Padding: 00000000000000000000
------------------------------------OFFER---------------------------------------
Dynamic Host Configuration Protocol (Offer)
Message type: Boot Reply (2)
Hardware type: Ethernet (0x01)
Hardware address length: 6
Hops: 0
Transaction ID: 0x781c9008
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
Client IP address: 0.0.0.0
Your (client) IP address: 192.168.30.10
Next server IP address: 192.168.30.1
Relay agent IP address: 0.0.0.0
Client MAC address: 5e:ab:fd:34:76:84 (5e:ab:fd:34:76:84)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type (Offer)
Option: (54) DHCP Server Identifier (192.168.30.1)
Option: (51) IP Address Lease Time
Option: (15) Domain Name
Option: (1) Subnet Mask (255.255.255.0)
Option: (3) Router
Option: (6) Domain Name Server
Option: (121) Classless Static Route
------------------------------------Request---------------------------------------
Dynamic Host Configuration Protocol (Request)
Message type: Boot Request (1)
Hardware type: Ethernet (0x01)
Hardware address length: 6
Hops: 0
Transaction ID: 0x781c9008
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
Client IP address: 0.0.0.0
Your (client) IP address: 0.0.0.0
Next server IP address: 0.0.0.0
Relay agent IP address: 0.0.0.0
Client MAC address: 5e:ab:fd:34:76:84 (5e:ab:fd:34:76:84)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type (Request)
Option: (61) Client identifier
Option: (50) Requested IP Address (192.168.30.10)
Option: (54) DHCP Server Identifier (192.168.30.1)
Option: (12) Host Name
Option: (81) Client Fully Qualified Domain Name
Option: (60) Vendor class identifier
Option: (55) Parameter Request List
Option: (255) End
------------------------------------ACK---------------------------------------
Dynamic Host Configuration Protocol (ACK)
Message type: Boot Reply (2)
Hardware type: Ethernet (0x01)
Hardware address length: 6
Hops: 0
Transaction ID: 0x781c9008
Seconds elapsed: 0
Bootp flags: 0x0000 (Unicast)
Client IP address: 0.0.0.0
Your (client) IP address: 192.168.30.10
Next server IP address: 192.168.30.1
Relay agent IP address: 0.0.0.0
Client MAC address: 5e:ab:fd:34:76:84 (5e:ab:fd:34:76:84)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type (ACK)
Option: (54) DHCP Server Identifier (192.168.30.1)
Option: (51) IP Address Lease Time
Option: (15) Domain Name
Option: (1) Subnet Mask (255.255.255.0)
Option: (3) Router
Option: (6) Domain Name Server
Option: (121) Classless Static Route