Cisco Cisco Email Security Appliance X1070 User Guide
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Cisco IronPort AsyncOS 7.5 for Email Advanced Configuration Guide
OL-25137-01
Chapter 2 Configuring Routing and Delivery Features
Figure 2-18
Adding Another Public Interface
Using Virtual Gateway addresses, a configuration like the one shown in
is also possible.
Figure 2-19
Four Virtual Gateway Addresses on One Ethernet Interface
Note that four separate IP interfaces can be used to deliver mail, where only one
public listener is configured to accept messages from the Internet.
public listener is configured to accept messages from the Internet.
Ethernet interface: Data 2
IP interface:
IronPort Email
Security appliance
Ethernet interface: Data 1
IP interface: PrivateNet (e.g. 192.168.1.1)
PublicNet
192.168.2.1
IP interface:
PublicNet2
192.168.2.2
Ethernet interface: Data 2
Ethernet interface: Data 1
IP interface: PrivateNet (e.g. 192.168.1.1)
IP interface:
PublicNet3
192.168.2.3
IP interface:
PublicNet
192.168.2.1
IP interface:
PublicNet2
192.168.2.2
IP interface:
PublicNet4
192.168.2.4
SMTP
SMTP
SMTP
SMTP
Public
InboundMail
listener:
SMTP