User's Manual

Wireless Broadband Rout er User’s Manual
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with a private I P address wit h default value of 192.168.1.2 t o 192.168.1.254. These PCs are
not accessible by t he out side word but t hey can com m unicat e wit h the out side world t hrough
the public I P 168.111.1.1.
Privat e I P Addr ess
Private I P addresses are also LAN I P addresses, but are considered “ illegal” I P addresses t o t he
I nternet. They are privat e t o an ent erprise while st ill perm it t ing full network layer connect ivit y
bet ween all host s inside an ent erprise as well as all public host s of different ent erprises.
The Wireless Broadband Rout er uses privat e I P addresses by assigning them t o t he LAN that
cannot be directly accessed by t he I nt ernet or rem ot e server. To access t he I nt ernet , private
network should have an agent t o translate t he privat e I P address t o public I P address.
RI P ( Rout ing I nfor m a t ion Prot ocol)
RI P is a rout ing prot ocol t hat uses t he distance-vect or routing algorithm s t o calculat e least-
hops rout es t o a destinat ion. I t is used on the I nternet and is com m on in the NetWare
environm ent. I t exchanges rout ing inform at ion wit h ot her routers. I t includes V1, V2 and
V1&V2, which cont rols t he sending and receiving of RI P packet s over Et hernet.
SSI D
SSI D is a t hirt y-two charact er( m axim um ) alphanum eric key ident ifying t he wireless local area
network.
Service Set I dent it y. A group nam e shared by all m em bers of an I EEE 802.11b network. Only
devices with t he sam e SSI D are allowed t o est ablish connections. For t he wireless devices in a
network t o com m unicat e with each ot her, all device m ust be configured with t he sam e SSI D.
UD P ( User D a t a gram Prot ocol)
UDP is a connect ionless t ransport service t hat does not own t he reliabilit y services provided by
TCP. UDP gives applications a direct int erface with I P and the ability t o address a particular
application process running on a host via a port num ber without sett ing up a connection
session.
Virt ual Serve r
You can designat e virt ual servers, e.g., a FTP, web, t elnet or m ail server, on your local net work
and m ake t hem accessible t o t he outside world. A virtual server m eans that it is not a dedicated
server - - t hat is, the ent ire com put er is not dedicated t o running on the public net work but in
the privat e network.