Ip Assignment With Enet Encap Encapsulation; Private Ip Addresses; Nailed-Up Connection (Ppp); Nat - ZyXEL Communications Prestige 861H-G1 User Manual

Prestige 861H User's Guide

4.7.3 IP Assignment with ENET ENCAP Encapsulation

In this case you can have either a static or dynamic IP. For a static IP you must fill in all the IP
Address and ENET ENCAP Gateway fields as supplied by your ISP. However for a dynamic IP, the
Prestige acts as a DHCP client on the WAN port and so the IP Address and ENET ENCAP Gateway
fields are not applicable (N/A) as the DHCP server assigns them to the Prestige.

4.7.4 Private IP Addresses

Every machine on the Internet must have a unique address. If your networks are isolated from the
Internet, for example, only between your two branch offices, you can assign any IP addresses to the
hosts without problems. However, the Internet Assigned Numbers Authority (IANA) has reserved the
following three blocks of IP addresses specifically for private networks:
10.0.0.0 —
172.16.0.0 —
192.168.0.0 —
You can obtain your IP address from the IANA, from an ISP or it can be assigned from a private
network. If you belong to a small organization and your Internet access is through an ISP, the ISP can
provide you with the Internet addresses for your local networks. On the other hand, if you are part of a
much larger organization, you should consult your network administrator for the appropriate IP
addresses.
Regardless of your particular situation, do not create an
arbitrary IP address; always follow the guidelines above. For more
information on address assignment, please refer to RFC 1597,
Address Allocation for Private Internets and RFC 1466, Guidelines
for Management of IP Address Space.
4.8

Nailed-Up Connection (PPP)

A nailed-up connection is a dial-up line where the connection is always up regardless of traffic
demand. The Prestige does two things when you specify a nailed-up connection. The first is that idle
timeout is disabled. The second is that the Prestige will try to bring up the connection when turned on
and whenever the connection is down. A nailed-up connection can be very expensive for obvious
reasons.
Do not specify a nailed-up connection unless your telephone company offers flat-rate service or you
need a constant connection and the cost is of no concern
4.9

NAT

NAT (Network Address Translation - NAT, RFC 1631) is the translation of the IP address of a host in
a packet, for example, the source address of an outgoing packet, used within one network to a different
IP address known within another network.

4.10 Wizard Setup : Routing : Internet Access

The ISP Parameters for Internet Access screen varies depending on what mode and encapsulation type
you use. Configure the fields and click Next to continue.
4-4
10.255.255.255
172.31.255.255
192.168.255.255
Wizard Setup