DHCPINFORM
Marty Sørensen
buzzwork at gmail.com
Wed Feb 4 08:29:51 UTC 2009
Hello,
Hope some one can help me or kick me in the right direction on this matter.
I have been reading the RFC on DHCPINFORM but cant find out if the
DHCPserver has to reply with all options (special option-82) on DHCPINFORM -
ACK ?
This snif is from an Debian 3.0.7 box. It seems that the DHCPserver is
dropping the option-82 information. Is this right or a "feature / bug" :-)
Hope to get some info.
Many thanks
Martin
DK
---
---------------------------------------------------------------------------
TIME: 12:38:24.455494
IP: > (00:1e:f7:5e:63:7a) > (00:50:56:97:32:84)
OP: 1 (BOOTPREQUEST)
HTYPE: 1 (Ethernet)
HLEN: 6
HOPS: 1
XID: 03e645e9
SECS: 768
FLAGS: 0
CIADDR: 89.x.x.155
YIADDR: 0.0.0.0
SIADDR: 0.0.0.0
GIADDR: 89.x.x.252
CHADDR: 00:30:05:ed:6a:a5:00:00:00:00:00:00:00:00:00:00
SNAME: .
FNAME: .
OPTION: 53 ( 1) DHCP message type 8 (DHCPINFORM)
OPTION: 61 ( 7) Client-identifier 01:00:30:05:ed:6a:a5
OPTION: 12 ( 9) Host name STATION'R
OPTION: 60 ( 8) Vendor class identifier MSFT 5.0
OPTION: 55 ( 12) Parameter Request List 1 (Subnet mask)
15 (Domainname)
3 (Routers)
6 (DNS server)
44 (NetBIOS name server)
46 (NetBIOS node type)
47 (NetBIOS scope)
31 (Perform router discovery)
33 (Static route)
249 (MSFT - Classless route)
43 (Vendor specific info)
252 (MSFT - WinSock Proxy Auto
Detect)
OPTION: 43 ( 3) Vendor specific info dc0100 ...
OPTION: 82 ( 18) Relay Agent Information
Circuit-ID 01:08:00:65 <unknown-0>
*MALFORMED -- TOO LARGE*
---------------------------------------------------------------------------
TIME: 12:38:24.456317
IP: > (00:50:56:97:32:84) > (00:1e:f7:5e:63:7a)
OP: 2 (BOOTPREPLY)
HTYPE: 1 (Ethernet)
HLEN: 6
HOPS: 1
XID: 03e645e9
SECS: 768
FLAGS: 0
CIADDR: 89.x.x.155
YIADDR: 0.0.0.0
SIADDR: 0.0.0.0
GIADDR: 89.x.x.253
CHADDR: 00:30:05:ed:6a:a5:00:00:00:00:00:00:00:00:00:00
SNAME: .
FNAME: .
OPTION: 53 ( 1) DHCP message type 5 (DHCPACK)
OPTION: 54 ( 4) Server identifier 10.57.2.1
OPTION: 1 ( 4) Subnet mask 255.255.255.0
OPTION: 15 ( 21) Domainname internet.dbnet.hef.dk
OPTION: 3 ( 4) Routers 89.x.x.254
OPTION: 6 ( 8) DNS server 82.x.x.20,82.x.x.20
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