Re: RE: DHCP Option 81 Client FQDN and new_fqdn
Roy Marples
Thu Jul 02 16:10:38 2015
Hi Paul
On 02/07/2015 17:05, Walrath, Paul wrote:
> I discovered the cause of the issue. If the E flag is set Option 81,
> dhcpcd sets new_fqdn with the fqdn value. The E flag being set
> indicates that the fqdn value is encoded in the canonical wire format
> specified in RFC 1035 Section 3.1. The E flag being cleared indicates
> that the fqdn value is ASCII encoded. Dhcpcd must be requiring that
> the value be in RFC 1035 format. The E flag is specified in Section 2.1
> of RFC 4702. I think this clears up the issue. I don’t see a need
> right now for dhcpcd to support the ASCII encoding.
He, we sent our emails at the same time :)
You're absolutely spot on by the way.
Even though no code change was required, I did add some more error
handling in this area and some commentary so it's certainly not wasted time.
Roy
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