ZyXEL Communications SBG3500-N000 - The 5 Th Ethernet Port Screen; Technical Reference; Lans, Wans and the SBG3500-N Series

Chapter 8 LAN
SBG3500-N Series User’s Guide
175
8.7 The 5th Ethernet Port Screen
If you are using DSL connection, you can configure your Ethernet WAN port as an extra LAN port.
This fifth Ethernet port is a Gigabit port. Click Network Settings > LAN > 5th Ethernet Port to
open this screen.
Figure 67 Network Settings > LAN > 5th Ethernet Port
The following table describes the fields in this screen.
8.8 Technical Reference
This section provides some technical background information about the topics covered in this
chapter.
8.8.1 LANs, WANs and the SBG3500-N Series
The actual physical connection determines whether the SBG3500-N Series ports are LAN or WAN
ports. There are two separate IP networks, one inside the LAN network and the other outside the
WAN network as shown next.
Offer Public IP
by DHCP
Select the checkbox to enable the SBG3500-N Series to provide public IP addresses by
DHCP server.
Enable ARP
Proxy
Select the checkbox to enable the ARP (Address Resolution Protocol) proxy.
Apply Click Apply to save your changes.
Cancel
Click Cancel to exit this screen without saving.
Table 36 Network Setting > LAN > Additional Subnet (continued)
LABEL DESCRIPTION
Table 37 Network Settings > LAN > 5th Ethernet Port
LABEL DESCRIPTION
State Select Enable to use the Ethernet WAN port as a LAN port on the SBG3500-N Series.
Apply Click Apply to save your changes back to the SBG3500-N Series.
Cancel
Click Cancel to exit this screen without saving.