Configuring Networking
Configuring the WAN (Internet) Settings
Cisco RV180/RV180W Administration Guide 29
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• Custom—If your ISP requires a custom MTU setting, choose Custom and 
enter the MTU size (in bytes) in the MTU Size field.
STEP  3 Click Save.
Configuring the MAC Address
The Cisco RV180/RV180W has a unique 48-bit local Ethernet hardware address. 
In most cases, the default MAC address is used to identify your Cisco RV180/
RV180W to your ISP. However, you can change this setting if required by your ISP. 
To configure the MAC address settings:
STEP 1 Choose Networking > WAN (Internet) > IPv4 WAN (Internet).
STEP  2 From the MAC Address Source drop-down menu, choose one of these options:
• Use Default Address—(Recommended) choose this option to use the 
default MAC address. However, if another MAC address has previously been 
registered with your ISP, choose either Use This Computer’s Address or Use 
This MAC.
• Use This Computer's Address—Choose this option to assign the MAC 
address of your computer that you are using to connect to the Device 
Manager.
• Use This MAC—Choose this option if you want to enter a different MAC 
address. Enter the address in the MAC Address field.
STEP  3 Click Save.
Configuring PPPoE Profiles
If you have a PPPoE connection to the Internet, you can create profiles for multiple 
PPPoE accounts. This can be useful if you connect to the Internet using different 
service provider accounts. The PPPoE Profiles page lists the available PPPoE 
profiles and some attributes associated with each profile. To edit a PPPoE profile 
listed in the Profile Table, select the profile and click Edit. To delete selected 
profiles, click Delete.