Option 82 suboption 6 (subscriber-id) -how

[Kristian Sørensen]

Hi list

 

I’m using a Cisco 7201 with the capability of inserting option 82 data in
dhcp requests.

 

I want to use the suboption 6 (subscriber-id) which is possible in the IOS
release we use. My problem is how to use this on my dhcp server (dhcpd
3.0.4). I’m pretty sure that I need to define my own option (82) but I can
find no similar examples which makes it pretty difficult. 

 

Below is an example of the dhcp discover packet.

 

Option: (t=82,l=26) Agent Information Option

     Option: (82) Agent Information Option

     Length: 26

     Value: 020E030C00005CF3E691000004B6000C0608313030353837...

     Agent Remote ID: 030C00005CF3E691000004B6000C

     Subscriber ID: 3130303538373832

End Option

 

0000   02 0e 03 0c 00 00 5c f3 e6 91 00 00 04 b6 00 0c  ......\.........

0010   06 08 31 30 30 35 38 37 38 32                    ..10058782

 

 

I want to use the string “10058782” from the option 82 suboption 6
(subscriber-id) which we have set on the interface on the 7201 router.

 

 

Hope that anybody can point me in the right direction.

 

 

Kind Regards

 

Kristian S

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