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rodolfo
Long time Member
Long time Member
Topic Author
Posts: 543
Joined: Sat Jul 05, 2008 11:50 am

Problems with dhcp option 121 and /12 subnet

Thu Jul 25, 2013 2:08 pm

Hi all.
My AP give a dhcp address to clients.
Now I use 172.16.0.0/16 private subnet and my dhcp 121 option is:
0x 10 AC 10 AC 10 01 01
in decimal

0X 16 172 16 172 16 1 1 (where 172.16.1.1) is the gateway for 172.16.0.0/16 subnet).

Now I want to use full 172.16.0.0/12 subnet.

I tried:
0X 12 172 16 172 16 1 1 (where 172.16.1.1) is the gateway for 172.16.0.0/12 subnet).

but this option is not received by the client.

What can I do?

Thanks
rodolfo
IZ0UQV
 
SurferTim
Forum Guru
Forum Guru
Posts: 4637
Joined: Mon Jan 07, 2008 10:31 pm
Location: Miramar Beach, Florida

Re: Problems with dhcp option 121 and /12 subnet

Thu Jul 25, 2013 2:17 pm

Is the setting in "/ip dhcp-server network" not issuing the correct gateway?

Enable verbose logging for dhcp. Maybe you will see the problem there.
/system logging
add topics=dhcp,debug action=memory

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