Huawei EchoLife HG520 User Manual page 35

Figure 4-7 ATM PVC Configuration PPPoE Mode
II. MAC Encapsulation Routing (MER) Mode
It is recommended that you configure as being assigned an
automatic IP address. If you want to manually configure to MER mode,
please ask the WAN IP address, subnet mask, gateway address and
DNS server address from your ISP.
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