Hi All, Is anyone taking GEA FTTC services via Openreach CHP and using either DHCP on them and snooping option 82 to get the sycn rate or running PPPoE and using RADIUS magic to intercept?
I've got a circuit on order which goes back to the local test exchange that serves our lab premises. I could run DHCP from the CPE back to the device in the exchange and snoop DHCP option 82. The problem with this option is that I don't know what to do with this snooped value. Given a list of predefined QoS policies that shape to say 10M, 20M, 30M....and so on, the device in the exchange is not able to configure the closest policy map for this interface based on the DHCP option intercepted or set a shaper to the line rate minus a few percent or similar. Alternatively I can run PPPoE over the FTTC circuit and backhaul that PPPoE, the device in the exchange can act as an LAC and tunnel the session back to an LNS, but this seems like it needs a bit of RADIUS magic which isn't super obvious to me. I think I would need to grab the value from the PPPoE IA header on the LAC or LNS and then pass that in the RADIUS query to the RADIUS server, which would then have to compare it against a list of sync rates and return the name of the policy map on the LNS that is closest to the reported sync rate. Is anyone successfully doing this, how are you doing it? Kind regards, James.
