Chapter 7 Broadband
NR/FWA Outdoor Series User’s Guide
80
Authentication
Type
Select the type of authentication method peers use to connect to the Zyxel Device in cellular
connections.
In Password Authentication Protocol (PAP) peers identify themselves with a user name and
password. In Challenge Handshake Authentication Protocol (CHAP) additionally to user name
and password the Zyxel Device sends regular challenges to make sure an intruder has not
replaced a peer. Otherwise select PAP/CHAP or None.
PDP Type Select IPv4 if you want the Zyxel Device to run IPv4 (Internet Protocol version 4 addressing system)
only.
Select IPv6 if you want the Zyxel Device to run IPv6 (Internet Protocol version 6 addressing system)
only.
Select IPv4/IPv6 if you want the Zyxel Device to run both IPv4 and IPv6 (Internet Protocol version 4
and 6 addressing system) at the same time.
IP Passthrough Slide this to the right to enable IP passthrough to allow Internet traffic of this cellular connection to
go to a LAN device behind the Zyxel Device without going through NAT. Your LAN device will
have the public IP assigned by the ISP. Use the Passthrough Mode field to decide which LAN
device will get the ISP-assigned IP.
Otherwise, slide this to the left to disable IP passthrough.
See Section 7.1.2 on page 72 for more information about IP passthrough on the Zyxel Device.
Passthrough
Mode
This field is only available when you enable IP Passthrough.
Select Dynamic to allow traffic to be forwarded to the first LAN device that sends a DHCP request
to the Zyxel Device.
Select Fixed to specify a LAN device (for example, Client A) by entering its MAC address.
Static
Gateway
Enable
This field is only available when you enable IP Passthrough.
A gateway connects the Zyxel Device to the Internet. The Zyxel Device needs to know the IP
address of the gateway to route traffic from the Zyxel Device local network to external networks.
When the ISP DHCP server assigns an IP address to the Zyxel Device, it includes the default
gateway IP address and subnet mask value in the DHCP Offer/Ack packets.
Slide this to the left to have the Zyxel Device automatically use the default gateway IP address
and subnet mask sent by the ISP DHCP server.
If required for IP Passthrough, slide this to the right to manually configure a static gateway
address and enter the exact Static Gateway IP Address given by your ISP.
Subnet Mask
Prefix
This field is only available when you enable IP Passthrough.
This defines the number of LAN clients that can get a public IP address with IP Passthrough. This
mask is determined by the ISP.
Enter the subnet mask prefix length of the Zyxel Device network. The Zyxel Device will use this
subnet mask you configured.
To use the Subnet Mask Prefix you configured, you need to enable Proxy ARP in
Network Setting > Broadband > Cellular WAN.
DHCP Lease
Time
This field is only available when you enable IP Passthrough.
Enter the DHCP lease time for a DHCP client when IP Passthrough is enabled.
Cancel Click this to exit this screen without saving.
OK Click this to save your changes.
Table 18 Network Setting > Broadband > Cellular APN > Edit APN (continued)
LABEL DESCRIPTION
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