Mitel SME Server V5 with ServiceLink Guía de usuario descargar pdf (Pagina 27)

Chapter 6. Installing And Conﬁguring Your SME Server V5 with ServiceLink Software

6.8.2. Conﬁguring Local Network Parameters

Your SME Server V5 with ServiceLink needs information about your local network in order to communicate with the other computers on your

network. This includes the IP address and the subnet mask on your server’s internal interface. Because your server acts as a gateway and ﬁrewall,

these will differ from the IP address and subnet mask on the external interface.

If you plan to operate in server and gateway mode (explained in greater detail below), your server will act as a relay between your local network and

the Internet. Because no computer on your local network, other than your server, directly interacts with the external world, the IP addresses assigned

to those computers need only be unique with regards to your local network. (It doesn’t matter if a computer on someone else’s local network uses the

same IP address, because the two machines will not be in direct contact.) As a result, we are able to use special "non-routable IP addresses" for your

local network, including the internal interface of your server.

If you have no reason to prefer one set of IP addresses over another for your local network, your server will prompt you with default

parameters that are probably appropriate in your situation.

Tip: If you are installing servers at multiple sites within your organization, you may ﬁnd it useful for later troubleshooting to use different network

addresses for each site. Additionally, if you ever want to establish an IPSEC VPN between the servers, each server will need to use a different

range of IP addresses. Even if you are not planning to use a VPN right now, it would be safest to use unique network addresses for each location.

If, however, you are operating your server in "server-only" mode and there are already servers on your network, you will need to obtain an unused IP

address for your local network.

Next, you will be prompted to enter the subnet mask for your local network. If you are adding your server to an existing network, you will need to

use the subnet mask used by the local network. Otherwise, unless you have a speciﬁc need for some other setting, you can accept the default setting.

6.9. Operation Mode

After conﬁguring your SME Server V5 with ServiceLink for your local network, you will see the following screen. This is where you select your

server’s operation mode.

6.9.1. Option 1: Server and gateway mode

In server and gateway mode, your server provides services (such as e-mail, web services, ﬁle and print sharing) to your network and also acts as a

gateway between your internal network and the outside world. The fact that it serves as a "gateway" means it has separate interfaces with each

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