Cisco RV180 - PPPoE WAN Configuration; PPPoE Profile Selection; MTU Settings for PPPoE

Step 2. Choose the PPPoE option from the Internet Connection Type drop-down menu.
Step 3. Choose PPPoE Profile name to be used from the drop down menu.
Step 4. Choose the MTU Type.
• Default— Default value is 1500 Bytes.
• Custom— Custom enable you to enter a custom MTU size(bytes) value in the MTU Size
field.