Transparent Bridging (RFC1483) on the ZyXEL PK5000Z
Support for this function is offered for CenturyLink business customers only.
NOTE: This feature turns off the ability for the DSL modem to authenticate with CenturyLink. CenturyLink recommends the default modem configuration.
Before enabling this feature, you will need:
- Your PPP username and password.
- Another router/device connected to the LAN side of the modem to authenticate using PPPoE.

2. Select "Advanced Setup".

3. Select "WAN Settings".

4. Select "Transparent Bridging".

5. Select "Apply".