[c-nsp] DHCP Option 66 String

John Lange john at johnlange.ca
Thu May 14 15:54:49 EDT 2009

On Thu, 2009-05-14 at 11:36 -0700, Seth Mattinen wrote:

> I use an URL with mine for a pool of Polycom phones:
> ip dhcp pool voip
>    network x x
>    default-router x
>    domain-name rollernet.net
>    dns-server x
>    option 2 hex ffff.8f80
>    option 66 ascii "http://x.rollernet.us"
>    option 42 ip x
>    lease infinite

I've found that if you implement option 66 with the quotes (as above) it
doesn't work on some devices, especially if its actually a TFTP server.

My option 66 looks like this:

option 66 ascii tftp.somehost.com

Which works for the Aastra phones we are using.

John Lange

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