modem configuration file question

Cheng Ching-Ho-LCC014 Ching-Ho.Cheng at
Sat Feb 23 13:43:16 UTC 2008


Device still got an IPv6 address from server but the config file was
still the global one, not the one specified in the subnet section.


Ching-Ho Cheng 

-----Original Message-----
From: dhcp-users-bounce at [mailto:dhcp-users-bounce at] On
Behalf Of Glenn Satchell
Sent: Saturday, February 23, 2008 8:39 AM
To: dhcp-users at
Subject: RE: modem configuration file question

So does the device get an address from this subnet? What gets logged


>Subject: RE: modem configuration file question
>Date: Fri, 22 Feb 2008 08:31:36 -0500
>From: "Cheng Ching-Ho-LCC014" <Ching-Ho.Cheng at>
>To: <dhcp-users at>
>Hi Glenn,
>We have tried this but it did not work.  Is there any other way to 
>achieve the use of separate configuration file in different subnet ?
>Chhing-Ho Cheng
>-----Original Message-----
>From: dhcp-users-bounce at [mailto:dhcp-users-bounce at] On 
>Behalf Of Glenn Satchell
>Sent: Friday, February 22, 2008 7:59 AM
>To: dhcp-users at
>Subject: Re: modem configuration file question
>>Subject: modem configuration file question
>>Date: Fri, 22 Feb 2008 07:31:46 -0500
>>I have a global setup for all the subnets to use a specific modem 
>>configuration file:
>>option docsis cablelabs-configuration-file "basic.bin"
>>I would like to setup the ISC DHCPv6 server to use a separate modem 
>>configuration file "basic1.bin" in a specific subnet.  How do I do 
>>subnet6 2001:200:101::/64 {
>>    range6 2001:200:101::/64;
>>    ......
>>Ching-Ho Cheng
>>Motorola CHS
>>Phone: 508-786-7522
>Override the global option in the subnet definition
># this is global configuration space
>option docsis cablelabs-configuration-file "basic.bin";
>subnet6 2001:200:101::/64 {
>    range6 2001:200:101::/64;
>    # this overrides global for this subnet
>    option docsis cablelabs-configuration-file "basic1.bin";
>    ......

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