dhcp6.vendor-opts

[John Jason Brzozowski]

I have a similar configuration and am unable to successfully provision a
cable modem in IPv6 mode, see below fore details:

option space docsis code width 2 length width 2;
option vsio.docsis code 4491 = encapsulate docsis;
option docsis.tftp-servers code 32 = array of ip6-address;
option docsis.cablelabs-configuration-file code 33 = text;
option docsis.cablelabs-syslog-servers code 34 = array of ip6-address;
option docsis.device-id code 36 = string;
option docsis.time-servers code 37 = array of ip6-address;
option docsis.time-offset code 38 = signed integer 32;

default-lease-time 90;
option dhcp-renewal-time 30;
option dhcp-rebinding-time 48;
preferred-lifetime 60;

subnet6 2001:558:FF10:8AA::/64 {
        range6 2001:558:FF10:8AA::/64;
        option docsis.cablelabs-configuration-file "bootfile.bin";
        option docsis.tftp-servers 2001:558:ff10:800:203:baff:fe2d:87f4;
        option docsis.time-servers 2001:558:ff10:800:203:baff:fe2d:87f4;
        option docsis.time-offset -18000;

}
 
Interestingly the modems gets the ADVERTISE but then does nothing further, I
am currently analyzing the sniffer traces.  Just a heads up for Andrew.

Another question, for host declarations shouldn't the following also be
valid?

host cpe6 {
       host-identifier option dhcp6.client-id
"00:01:00:01:0C:86:93:21:02:14:22:FF:FE:0E:BD:21";
       fixed-address6 2001:0558:ff10:08aa::fffc;
}

John

On 6/26/07 5:34 PM, "David W. Hankins" <David_Hankins at isc.org> wrote:

> On Fri, Jun 15, 2007 at 05:18:47PM -0500, Andrew Creer wrote:
>> ddns-update-style ad-hoc;
> 
> Yikes.  Are you sure you don't want interim (or 'none')?
> 
>> subnet6 2001:1234::1:0:0:0:0/64 {
>>         range6 2001:1234::1:0:0:0:100/64;
>>         option dhcp6.vendor-opts "(4491((32 2001:1234:0:1::2)(33
>> v10_cm.bin)(40 20:01:12:34:00:00:00:01:00:00:00:00:00:0
>> 0:00:02)(41 -21600)))";
>>         allow unknown-clients;
>> }
> 
> That's not how it's supposed to work.
> 
> We need to improve our documentation.  I see how you got to there from
> the manpage, but 'string' doesn't mean "hi!" it means 'a string of
> octets' like de:ad:be:ef or something.  But that's not even what you
> want either, what you want is to configure an option space for your
> vendor (per their documentation).  Here's what our test config does:
> 
>   # Declare the option space.
>   option space docsis code width 2 length width 2;
> 
>   # Anchor the docsis option space under the VSIO option.
>   option vsio.docsis code 4491 = encapsulate docsis;
> 
>   # Define DOCSIS option formats.
>   option docsis.tftp-servers       code 32 = array of ip6-address;
>   option docsis.cablelabs-configuration-file code 33 = text;
>   option docsis.cablelabs-syslog-servers     code 34 = array of ip6-address;
>   option docsis.device-id       code 36 = string;
> 
> Then configure values inside the docsis space:
> 
>   option docsis.tftp-servers 3ffe:cccc:aaaa:aaaa::1, 3ffe:cccc:aaaa:aaaa::2;
> 
> 
> It's similar to the 'vendor encapsulated options' section in
> 'man dhcp-options', but you're using the vsio space instead.  If
> you give that a read it might make stuff more clear.
> 
> Anyway, I'll go write some better documentation on this for the next
> release.  We should have some VSIO examples.

=========================================
John Jason Brzozowski (CISSP, RHCT)
Comcast Corporation
e) mailto:john_brzozowski at cable.comcast.com
m) 609-377-6594
p) 856-324-2671
=========================================