Normal DHCP servers. Didn't want to stand up another one and deal with it.

For now, we've isolated WDS and client on one subnet, and the DHCP
server, which is a DC, remains on its original subnet, and it's
working fine.

Kurt

On Wed, Sep 25, 2013 at 12:25 PM, Mayo, Bill <[email protected]> wrote:
> Do you have DHCP helpers for your normal DHCP server or the WDS server 
> itself?  My experience is that you need it for WDS itself (as well as normal 
> DHCP server), although I admit I could be confusing that with old RIS.  That 
> came to mind because of the indication of it not working on different 
> subnets.  If you are already setup that way, I don't know of anything else 
> right off.
>
> -----Original Message-----
> From: [email protected] [mailto:[email protected]] 
> On Behalf Of Kurt Buff
> Sent: Wednesday, September 25, 2013 3:14 PM
> To: [email protected]
> Subject: Re: [NTSysADM] Issue with WDS
>
> We have DHCP helpers on our layer3 swtich. The client gets the DHCP settings 
> in its subnet, and then tries to communicate with the WDS server. If that WDS 
> server is in a different subnet than the client, the tftp request fails. It 
> probably doesn't help that the client, DHCP server and WDS server are all on 
> different subnets.
>
> In fact, placing the client and the WDS server on the same subnet fixed the 
> problem.
>
> Kurt
>
> On Wed, Sep 25, 2013 at 5:11 AM, Mayo, Bill <[email protected]> 
> wrote:
>> I know that in the Cisco switch environment, you have to use the "dhcp 
>> helper" command for the WDS server when crossing subnets.
>>
>> -----Original Message-----
>> From: [email protected]
>> [mailto:[email protected]] On Behalf Of Kurt Buff
>> Sent: Tuesday, September 24, 2013 8:32 PM
>> To: [email protected]
>> Subject: Re: [NTSysADM] Issue with WDS
>>
>> Haven't done it before. Been more server/network focused, but JA got the 
>> bug, and I encouraged him to try, so some of the troubleshooting fell to me.
>>
>> Pretty cool technology, but he's got some work to do in putting the driver 
>> packs together. Better him than me...
>>
>> Kurt
>>
>> On Tue, Sep 24, 2013 at 5:22 PM, Art DeKneef <[email protected]> wrote:
>>> It can be done if I remember correctly when I did this for a school 
>>> district over 5 years ago.
>>>
>>> But all of my latest installs have been for SMBs and have been on the same 
>>> subnet.
>>>
>>> Just started setting up an installation of WDS on Server 2012 R2 today.
>>>
>>> Art
>>>
>>> -----Original Message-----
>>> From: [email protected]
>>> [mailto:[email protected]] On Behalf Of Kurt Buff
>>> Sent: Tuesday, September 24, 2013 4:07 PM
>>> To: [email protected]
>>> Subject: Re: [NTSysADM] Issue with WDS
>>>
>>> It's an initial install of WDS.
>>>
>>> Turns out the problem goes away if WDS server and client are in the same 
>>> subnet.
>>>
>>> I did some googling regarding tftp across different subnets, and did see 
>>> some entries regarding reg entries, but none regarding hotfixes.
>>> I'll pursue that if we want to keep clients and server on different subnets.
>>>
>>> Kurt
>>>
>>> On Tue, Sep 24, 2013 at 3:44 PM, Art DeKneef <[email protected]> wrote:
>>>> Has it worked before and doesn't with this machine or is this the first 
>>>> time?
>>>>
>>>> Is the DHCP server initialized and authorized?
>>>>
>>>> Have all the WDS hotfixes been applied? There are some that pertain to 
>>>> TFTP if memory serves me.
>>>>
>>>> Just a couple of thoughts off the top of my head.
>>>>
>>>> Art
>>>>
>>>> -----Original Message-----
>>>> From: [email protected]
>>>> [mailto:[email protected]] On Behalf Of Kurt Buff
>>>> Sent: Tuesday, September 24, 2013 1:47 PM
>>>> To: [email protected]
>>>> Subject: [NTSysADM] Issue with WDS
>>>>
>>>> All,
>>>>
>>>> Junior admin is having problems making this go.
>>>>
>>>> Config looks good to me after cursory inspection, but I've found an error 
>>>> message being emitted by the WDS server to the laptop, which looks like 
>>>> this:
>>>>
>>>> IP 192.168.9.10.69 > 192.168.24.69.2070:  22 ERROR EBADOP "Access 
>>>> violation."
>>>>
>>>> This looks like a TFTP error from what I've found via Google.
>>>> http://www.mwat.de/docs/tftp/w4/tftp/Tftp.html#EBADOP
>>>>
>>>> The laptop is a Dell E6420.
>>>>
>>>> The WDS server is a 2008R2 VM at 192.168.9.10, as shown above, and the 
>>>> DHCP server is one of our DCs, also 2008R2, on the 192.168.10.0/24 subnet.
>>>>
>>>> Anyone seen anything like this and can give me a clue?
>>>>
>>>> Kurt
>>>>
>>>>
>>>>
>>>>
>>>
>>>
>>>
>>>
>>
>>
>
>


Reply via email to