We currently buy services from a major Australian Telecommunications provider.
The services are an Ethernet over copper service which is then presented to us (a mini-ISP) as an ATM PVC. The service is marketed as a Bridged service (Pure Layer 2 end to end)
I am having some real strange issues here. I can get end to end connectivity working just fine. I have done several Tests.
The first test was to configure an ATM Sub Interace in bridged routing mode where I simply apply some IP addressing on in natively and have the client on the other end plug a LAPTOP into the their end and assign a correspondeing address on their end.
Here is the config of our end:
CISCO 7200 Series Router:
Cisco IOS Software, 7200 Software (C7200-ADVIPSERVICESK9-M), Version 12.2(33)SRE1
interface ATM2/0.49 point-to-point
ip address 172.16.0.1 255.255.255.0
atm route-bridged ip
no atm enable-ilmi-trap
As you can see the VPI/VCI is 0/49 and when configured like this, the service performs very well.
However being an ISP ourselves we do not want to be configuring this service like this. We want to Transport this service as a Layer 2 service.
After trying to use l2transport by configuring AToM and Layer 2 Local switching with NO luck, I decided the best way would be to enable PPPoE on the interface and either terminate the service on our router or tunnel switch it elsewhere.
Here is how I have configured it. (it works) however I am having some kind of throughput issue when the customer is uploading (ie sending data towards my router).
bba-group pppoe BDAS
ip unnumbered Loopback10
no logging event link-status
peer default ip address pool melbourne
ppp authentication chap pap radius-group
ppp authorization radius-group
ppp accounting radius-group
interface ATM2/0.2 multipoint
no atm enable-ilmi-trap
range BDASLite-EOC pvc 0/33 0/60
protocol pppoe group BDAS
This all works however, for some reason I am seeing a throughput issue and I cannot do anything to make it better. The only way so far I can get good results is configuring the atm interface with the Ip addressing.
My question is: Am I missing something in my config that is causing me this grief.
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