voila, ya eu de la pub j'ai pu redemarrer le deco sans que ma femme me frappe...
Le DHCP DISCOVER :
Frame 1: 329 bytes on wire (2632 bits), 329 bytes captured (2632 bits) on interface 0
Ethernet II, Src: Sagemcom_xx:xx:xx (24:7f:20:xx:xx:xx), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Internet Protocol Version 4, Src: 0.0.0.0, Dst: 255.255.255.255
User Datagram Protocol, Src Port: 68, Dst Port: 67
Bootstrap Protocol (Discover)
Message type: Boot Request (1)
Hardware type: Ethernet (0x01)
Hardware address length: 6
Hops: 0
Transaction ID: 0x1ae5f1d5
Seconds elapsed: 1
Bootp flags: 0x8000, Broadcast flag (Broadcast)
1... .... .... .... = Broadcast flag: Broadcast
.000 0000 0000 0000 = Reserved flags: 0x0000
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: Sagemcom_xx:xx:xx (24:7f:20:xx:xx:xx)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type (Discover)
Length: 1
DHCP: Discover (1)
Option: (51) IP Address Lease Time
Length: 4
IP Address Lease Time: (3600s) 1 hour
Option: (55) Parameter Request List
Length: 12
Parameter Request List Item: (1) Subnet Mask
Parameter Request List Item: (3) Router
Parameter Request List Item: (6) Domain Name Server
Parameter Request List Item: (7) Log Server
Parameter Request List Item: (12) Host Name
Parameter Request List Item: (15) Domain Name
Parameter Request List Item: (28) Broadcast Address
Parameter Request List Item: (33) Static Route
Parameter Request List Item: (42) Network Time Protocol Servers
Parameter Request List Item: (72) Default WWW Server
Parameter Request List Item: (121) Classless Static Route
Parameter Request List Item: (125) V-I Vendor-specific Information
Option: (77) User Class Information
Length: 14
Instance of User Class: [0]
User Class Length: 13
User Class Data: 50435f4d4c54565f5748443933
Option: (60) Vendor class identifier
Length: 5
Vendor class identifier: sagem
Option: (255) End
Option End: 255
Le DHCP OFFER:
Frame 2: 383 bytes on wire (3064 bits), 383 bytes captured (3064 bits) on interface 0
Ethernet II, Src: Sagemcom_f7:3e:30 (b0:b2:8f:xx:xx:xx), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
Internet Protocol Version 4, Src: 192.168.1.1, Dst: 255.255.255.255
User Datagram Protocol, Src Port: 67, Dst Port: 68
Bootstrap Protocol (Offer)
Message type: Boot Reply (2)
Hardware type: Ethernet (0x01)
Hardware address length: 6
Hops: 0
Transaction ID: 0x1ae5f1d5
Seconds elapsed: 0
Bootp flags: 0x8000, Broadcast flag (Broadcast)
1... .... .... .... = Broadcast flag: Broadcast
.000 0000 0000 0000 = Reserved flags: 0x0000
Client IP address: 0.0.0.0
Your (client) IP address: 192.168.1.18
Next server IP address: 192.168.1.1
Relay agent IP address: 0.0.0.0
Client MAC address: Sagemcom_xx:xx:xx (24:7f:20:xx:xx:xx)
Client hardware address padding: 00000000000000000000
Server host name not given
Boot file name not given
Magic cookie: DHCP
Option: (53) DHCP Message Type (Offer)
Length: 1
DHCP: Offer (2)
Option: (54) DHCP Server Identifier
Length: 4
DHCP Server Identifier: 192.168.1.1
Option: (51) IP Address Lease Time
Length: 4
IP Address Lease Time: (3600s) 1 hour
Option: (58) Renewal Time Value
Length: 4
Renewal Time Value: (1800s) 30 minutes
Option: (59) Rebinding Time Value
Length: 4
Rebinding Time Value: (3150s) 52 minutes, 30 seconds
Option: (1) Subnet Mask
Length: 4
Subnet Mask: 255.255.255.0
Option: (6) Domain Name Server
Length: 4
Domain Name Server: 192.168.1.1
Option: (15) Domain Name
Length: 4
Domain Name: home
Option: (28) Broadcast Address
Length: 4
Broadcast Address: 192.168.1.255
Option: (125) V-I Vendor-specific Information
Length: 41
Enterprise: The Broadband Forum (formerly 'ADSL Forum') (3561)
Length: 36
Option 125 Suboption: (4) GatewayManufacturerOUI
Length: 6
GatewayManufacturerOUI: B0B28F
Option 125 Suboption: (5) GatewaySerialNumber
Length: 15
GatewaySerialNumber: NQxxxxxxxxxxxxx
Option 125 Suboption: (6) GatewayProductClass
Length: 9
GatewayProductClass: Livebox 4
Option: (3) Router
Length: 4
Router: 192.168.1.1
Option: (255) End
Option End: 255
le NQxxxxxxxxxxxxx correspond au numéro de série de la livebox (etiquette collée dessous).