When you specify the name in quotes it is passed as a string to the device
that is booting. That device has to resolve the name to an IP address.
Perhaps replace the string with the fully qualified name? Your pxe client
may not be smart enough to do a dns lookup.
Alternatively use the dhcp-function 'next-server' and do not use quotes
around the name. This way the dhcp server will resolve the name to an IP
and send the IP address in the dhcp response, eg:
next-server proj-1.ab.lab;
regards,
-glenn
On Fri, December 4, 2015 1:51 am,
[hidden email] wrote:
> Hi all,
>
> I am facing a problem in resolving the tftp alias name using dhcp.
>
> I have the below configuration in dhcpd.conf:
> option domain-name "ab.lab";
> option domain-name-servers 20.0.0.1, 20.0.0.2;
> option tftp-server-name "proj-1";
>
> nslookup of proj-1:
>>nslookup proj-1
> Server: 20.0.0.1
> Address: 20.0.0.1#53
>
> Non-authoritative answer:
> proj-1.ab.lab canonical name = cc675.ab.lab
> Name: cc675.ab.lab
> Address: 20.34.0.46
>
> But the linux board booting got failed with error "Command tftp failed,
> with error unknown host proj-1.ab.lab."
>
> But when I give the "option tftp-server-name 20.34.0.6" in dhcp specifying
> the direct ip address, it is booting successfully and everything is fine.
>
> Could you please guide me whether I missed anything configuring in
> dhcpd.conf file or did I do anything wrong in configuration?
>
>
> BR,
> Karteek
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