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later under the circumstance that the quality Ethernet cable has been connected
correctly. You can select 10 Mbps FDX or 10 Mbps HDX from the drop-down list
box of Speed.
Otherwise, you are recommended to retain the default configuration
Auto-negotiation.
It is used to clone the MAC address accessible to the internet to the WAN port of
the router. If the router cannot access the internet after you configure the
internet settings, it is perhaps that the ISP has bound the connection information
with a MAC address. In this case, you can try to clone the MAC address, and try to
access the internet again.
Default: It is used to restore the MAC address of the WAN port of the
router to factory settings.
Clone local MAC address: It is used to set the MAC address of the WAN
port to the MAC address of the current device managing the router.
Set MAC address: It is used to set the MAC address of the WAN port
manually.
11.3.2 Modifying MTU Value
You are recommended to retain the default value of MTU, unless the following cases happen:
Websites, for example secure websites (PayPal login page) are inaccessible.
Email service fails, or FTP, POP and other servers are inaccessible.
In these cases, you can try to decrease the MTU value from the maximum value 1500 (recommended range:
1400-1500).
It is commonly used for non-PPPoE and non-VPN dial-up connections.
It is used for PPPoE dial-up connections.
It is the maximum value for the ping command. (A packet with a larger size is
splitted.)
It is used for DHCP connections.
It is used for VPN or PPTP connections.
11.3.3 Changing the MAC Address of the WAN Port
Ensure that the MAC address to be cloned is correct! The MAC address of the computer that can access
the internet properly or the MAC address of the WAN port of the router that can access the internet
properly is the correct one.
1. To access the configuration page, choose System Settings > WAN Settings.