Cisco Cisco Email Security Appliance C190 User Guide
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Cisco AsyncOS 8.0.1 for Email User Guide
Chapter 3 Setup and Installation
Preparing for System Setup
Note
Keep in mind that the initial connection method is not final. This process applies only for the initial
configuration. You can change network settings at a later time to allow different connection methods.
(See
configuration. You can change network settings at a later time to allow different connection methods.
(See
for more information.) You can also create multiple user
accounts with differing administrative privileges to access the appliance. (For more information, see
Determining Network and IP Address Assignments
You can use both IPv4 and IPv6 addresses.
Default IP Addresses for Management and Data Ports
The IP address that is pre-configured on the Management port (on Cisco X1060/1070, C660/670, and
C360/370 appliances) or the Data 1 port (on Cisco C160/170 appliances) is
C360/370 appliances) or the Data 1 port (on Cisco C160/170 appliances) is
192.168.42.42
.
Choosing Network Connections to Receive and Deliver Email
Most users take advantage of the two Data Ethernet ports on the Cisco appliance by connecting to two
networks from the appliance:
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.
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. You can use Internet Protocol version 4 (IPv4) and version 6 (IPv6) addresses. However, the
System Setup Wizard on the appliance supports initial configuration of the following configurations:
addresses. You can use Internet Protocol version 4 (IPv4) and version 6 (IPv6) addresses. However, the
System Setup Wizard on the appliance supports initial configuration of the following configurations:
•
2 separate listeners on 2 logical IPv4 and 2 IPv6 addresses configured on separate physical
interfaces
interfaces
–
segregates incoming and outgoing traffic
–
you can assign an IPv4 and an IPv6 address to each listener
•
1 listener on 1 logical IPv4 address configured on one physical interface
–
combines both incoming and outgoing traffic
–
you can assign both an IPv4 and an IPv6 address to the listener
The Email Security appliance can support both IPv4 and IPv6 addresses on single listener. The listener
will accept mail on both the addresses. All settings on a listener apply to both IPv4 and IPv6 addresses.
will accept mail on both the addresses. All settings on a listener apply to both IPv4 and IPv6 addresses.
Choosing Network Settings for Your Connections
You will need the following network information about each Ethernet port that you choose to use: