Mitel SME Server V5 with ServiceLink Podręcznik Użytkownika Pobierz pdf (Strona 11)

Chapter 4. Your Internet Service Provider (ISP)

4.2.2. Routable versus non-routable IP addresses

If an IP address is analogous to your phone number, then a routable IP address is the equivalent of a full telephone number complete with country

code and area code such as +1-613-555-1234. Using the same analogy, a non-routable address is the equivalent of an ofﬁce extension. If your server

is assigned a non-routable address, it cannot directly receive incoming Internet connections, which limits the services that it can provide to your site.

4.3. Arranging connectivity with your ISP

If you are going to be using your server in "server and gateway" mode, you will need to arrange for a connection to the Internet. Your ISP will help

you connect your site and provide you with services that enable you to take advantage of the Internet (e.g. e-mail delivery). To some extent, the type

of connection used determines the services needed. Therefore, we guide you ﬁrst through arranging connectivity and then direct you to the

appropriate list of services for each type of connection. The terms used in the following sections are deﬁned at the end of this chapter.

To connect your site to the Internet, you not only need to arrange your physical connection (modem, ISDN, DSL, cable modem, etc.), but you also

need to ensure that your server can locate the appropriate devices at your ISP’s site. Your ISP will give you this information (e.g. IP addresses for

their devices) which must eventually be entered into your server console (a straightforward process covered in a later chapter). Many ISPs use a

DHCP server which can directly conﬁgure your server with some or all of these parameters.

4.3.1. Ordering a corporate ADSL or other commercial dedicated connection

Typically, your ISP will arrange for and conﬁgure your external hub and router. Alternatively, you may be required to install that hardware yourself

under their direction. If a special phone line is required, the ISP will typically arrange that. It is most typical with corporate service that you receive a

routable, static IP address. In fact, usually you will be allocated a block of routable, static IP addresses for your corporation - you will need only one

for your server.

Information provided to you by your ISP:

• static IP address (or block of addresses from which you choose one)

• IP address of router ("gateway IP address")

• subnet mask

Order services from: Service List A

4.3.2. Ordering cablemodem or residential ADSL service

Typically, your cable company or ADSL provider will install a conﬁgured cablemodem or ADSL router at your site. If you do not have cable access,

your cable company will install it for you. ADSL connects to the ISP via a conventional phone line. If you require an additional phone line, it is

typical for you to arrange that yourself. There are three possible conﬁgurations when ordering cablemodem or residential ADSL services.

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