[AusNOG] DHCP/PXE Packets between multiple VLAN on Vyatta

Daniel Watson daniel at dwatson.me
Thu May 1 22:27:44 EST 2014


Gday Rob

Cheers mate

Ill give that a shot and see how it goes.

Daniel

On Thu, May 1, 2014 11:17 pm, Robert Hudson wrote:
> ip helper-address will certainly work for DHCP.  You specify the IP
> address of your DHCP server, and what happens is that the switch listens
> for DHCP requests and forwards them to the DHCP server on another VLAN,
> and then ensures that an IP in the correct IP address range for that
> subnet is returned for the client.
>
> Your DHCP server should then give the IP address of the PXE server as a
> scope option.
>
> Now you just need to find the command on the vyatta (assuming it can do
> it).  Is this helpful?
>
> http://openmaniak.com/vyatta_case_dhcp.php
>
>
>
> On 1 May 2014 22:11, Daniel Watson <daniel at dwatson.me> wrote:
>
>
>> Gday Rob
>>
>>
>> Ive never used it on Cisco before either,  However ive been told its
>> one of these 3
>>
>> "ip helper-address", "DHCP relaying” or “Broadcast forwarding”
>>
>>
>> Just not entirely sure on which one would apply for Vyatta
>>
>>
>> Daniel
>>
>>
>> On Thu, May 1, 2014 11:09 pm, Robert Hudson wrote:
>>
>>> Are you familiar with how such things are done on a standard layer 3
>>> switch (using ip helper-address in the Cisco world for instance)?   If
>>>
>> so,
>>> does the Vyatta have an equivelent?
>>>
>>>
>>> On 1 May 2014 22:03, Daniel Watson <daniel at dwatson.me> wrote:
>>>
>>>
>>>
>>>> Gday Guys
>>>>
>>>>
>>>>
>>>> We are looking at running multiple VLAN’s and would like to pass
>>>> PXE
>>>> /
>>>> DHCP traffic through multiple VLAN’s on Vyatta
>>>>
>>>>
>>>>
>>>> I was wondering if anybody can provide assistance here?
>>>>
>>>>
>>>>
>>>>
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>>>> AusNOG at lists.ausnog.net
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>>>>
>>>>
>>>>
>>>
>>
>>
>>
>




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