Cisco Cisco Email Security Appliance C650 Guía Del Usuario
Chapter 3 Setup and Installation
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Cisco IronPort AsyncOS 7.1 for Email Configuration Guide
OL-22158-02
Determining Network and IP Address Assignments
Choosing Network Connections to Receive and Deliver Email
Most users take advantage of the two Data Ethernet ports on the IronPort
appliance by connecting to two networks from the appliance:
appliance by connecting to two networks from the appliance:
•
The private network accepts and delivers messages to your internal systems.
•
The public network accepts and delivers messages to the Internet.
Other users may want to use only one Data port serving both functions. Although
the Management Ethernet port can support any function, it is preconfigured for
access to the graphical user interface and the command line interface.
the Management Ethernet port can support any function, it is preconfigured for
access to the graphical user interface and the command line interface.
Binding Logical IP Addresses to Physical Ethernet Ports
You can segregate incoming and outgoing email traffic over separate listeners and
on separate IP addresses. However, the System Setup Wizard on the appliance
supports initial configuration of the following configurations:
on separate IP addresses. However, the System Setup Wizard on the appliance
supports initial configuration of the following configurations:
•
2 separate listeners on 2 logical IP addresses configured on separate physical
interfaces
— segregates incoming and outgoing traffic
interfaces
— segregates incoming and outgoing traffic
•
1 listener on 1 logical IP address configured on one physical interface
— combines both incoming and outgoing traffic
— combines both incoming and outgoing traffic
Choosing Network Settings for Your Connections
You will need the following network information about each Ethernet port that
you choose to use:
you choose to use:
•
IP address
•
Netmask
In addition, you will need the following information about your overall network:
•
IP address of the default router (gateway) on your network
•
IP address and hostname of your DNS servers (not required if you want to use
Internet root servers)
Internet root servers)