Greetings,
There is MPLS provided by our ISP. We only manage and service CPE routers on endpoints. There are cable and NDSL connections and certain NDSL connection end points have problem with getting DHCP packets. We confirmed DHCP packets entering and leaving CPE router at HQ, where the DHCP server is located, from/to that certain endpoint. We communicated this with the ISP and they told us it's their problem but won't do anything because it is some kind of new technology and they can't solve it.
We came up with 3 ideas to solve this:
- Blame ISP, throw this problem on their shoulders and make them figure it out. (We don't like this idea)
- Make the end point CPE routers local DHCP servers. We need agreement with the ISP and customer but that isn't a problem. (We like this idea and are currently working on it)
- Make GRE Tunnels between the CPE router at HQ and the CPE routers of endpoints to encapsulate the DHCP packet. (We also don't like this idea since it is a hassle with all the DSL endpoints and possible change in future)
Do you guys have different ideas or solutions?
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