Hello everyone,
Thank you very much for your thoughtful responses.
Tim, is there anything specific you mean by "Chicken scratch network
diagram" - or do you just mean any basic schematic outline? Let me work on
that - that is a good idea to diagram it for sure.
Cheers,
Boris.
On Thu, May 14, 2015 at 11:34 AM, Tim DeNike <[email protected]> wrote:
> Your other option if you don't want to run a DHCP server outside of the
> switches is to run the remote arp sensor on a box attached to the switch
> (Ive never tried it), or setup a mirror port and mirror traffic to PF.
>
> I really don't know if the dhcp relay will work with the dhcp server
> enabled. Id guess not.
>
> Chicken scratch network diagram would be helpful.
>
> But seriously.. Look into running a couple central DHCP servers.. much
> easier to maintain in the long run (IMHO).
>
> On Thu, May 14, 2015 at 11:21 AM, Derek Wuelfrath <[email protected]>
> wrote:
>
>> Hello Boris,
>>
>> Most of the time, iphelpers are doing the job. Can you explain what is
>> ‘not working’ ?
>>
>> In your current setup, the DHCP server is running on the switch at the
>> edge or is it on a ‘core switch’ ? Let’s say you have 3 access switches,
>> connected back to one core switch, but doing L3 (VLANs stays at the access
>> switches level). DHCP server is on the access switches or on the core
>> switch ?
>>
>> The things is, I’m unsure if, when the DHCP server running on the same
>> switch where the VLAN is ending (L2 connectivity), iphelpers can do the job.
>>
>> If you can share a network design, that’d be great… I guess… ;)
>>
>> (Sorry if it was part of a previous discussion, I clicked the link which
>> was leading me to another previous conversation, which was also leading me
>> to another discussion… I’ve been lost in the Matrix while trying to figure
>> out which conversation was the initial one!)
>>
>> Cheers!
>> dw.
>>
>> --
>> Derek Wuelfrath
>> [email protected] :: +1.514.447.4918 (x110) :: +1.866.353.6153 (x110)
>> Inverse inc. (www.inverse.ca) :: Leaders behind SOGo (www.sogo.nu) and
>> PacketFence (www.packetfence.org)
>>
>> On May 14, 2015 at 06:12:01, Boris Epstein ([email protected]) wrote:
>>
>> Hello all,
>>
>> I have raised the issue previously:
>>
>>
>> http://www.mail-archive.com/packetfence-users%40lists.sourceforge.net/msg08765.html
>>
>> Basically, the issue is that I am trying to run a DHCP server on my Cisco
>> IOS (Catalyst) switches while I run my PF server that only has IP
>> connectivity to them (no VLAN connectivity as VLAN's are local to the
>> switches).
>>
>> The setup requires that IP update/status info for all nodes be
>> communicated back to the PF server. That is not happening for some reason -
>> at least not via the Cisco's "ip helper-address" mechanism.
>>
>> So the question fundamentally is - how do I do that? What implementations
>> do any of you have out there that accomplish it? Sounds like some people
>> have DHCP servers separate from PF and switches. OK, that is an idea. What
>> other implementations are out there?
>>
>> If you don't mind sharing that I will be very thankful.
>>
>> Cheers,
>>
>> Boris.
>>
>>
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