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Both host and BAS server run PPPoE protocol, they are connected by layer 2 ethernet, switch
enables PPPoE Intermediate Agent function.
Typical configuration (1) in the following:
Step1: Switch enables global PPPoE IA function, MAC as 0a0b0c0d0e0f.
Switch(config)# pppoe intermediate-agent
Step2: Configure port ethernet1/1 which connect server as trust port, and configure vendor tag
strip function.
Switch(config-if-ethernet1/1)#pppoe intermediate-agent trust
Switch(config-if-ethernet1/1)#pppoe intermediate-agent vendor-tag strip
Step3: Port ethernet1/2 of vlan1 and port ethernet1/3 of vlan 1234 enable PPPoE IA function of
port.
Switch(config-if-ethernet1/2)#pppoe intermediate-agent
Switch(config-if-ethernet1/3)#pppoe intermediate-agent
Step4: Configure pppoe intermediate-agent access-node-id as abcd.
Switch(config)#pppoe intermediate-agent type tr-101 circuit-id access-node-id abcd
Step5: Configure circuit ID as aaaa, remote ID as xyz for port ethernet1/3.
Switch(config-if-ethernet1/3)#pppoe intermediate-agent circuit-id aaaa
Switch (config-if-ethernet1/3)#pppoe intermediate-agent remote-id xyz
circuit-id value is "abcd eth 01/002:0001", remote-id value is "0a0b0c0d0e0f" for the
added vendor tag of port ethernet1/2.
circuit-id value is "aaaa", remote-id value is "xyz" for the added vendor tag of port
ethernet1/3.
Typical configuration (2) in the following:
Step1: Switch enables global PPPoE IA function, MAC as 0a0b0c0d0e0f.
Switch(config)#pppoe intermediate-agent
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Troubleshooting
