PLANET WGSW-52040 - Manual (Page 424)

51.4 PPPoE Intermediate Agent Troubleshooting
 Only switch enables global PPPoE intermediate agent firstly, this function can be run on
port.
 Configure a trust port at least, and this port can connect to server.
 vendor tag strip function must be configured by trust port.
 Circuit-id override priority is: pppoe intermediate-agent circuit-id < pppoe
intermediate-agent identifier-string option delimiter < pppoe intermediate-agent
access-node-id.
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