Cisco Cisco Email Security Appliance C170 Guia Do Utilizador

Only one of the available Ethernet interfaces on the Email Security appliance is required in these 
configurations. However, you can configure two Ethernet interfaces and segregate your internal network 
from your external Internet network connection. 

For more information about assigning multiple IP addresses to the available interfaces, see 

 and 

. 

The number and type of ports on your hardware appliance depend on the model: 

* For appliances without a dedicated management port, use the Data1 port for management purposes. 

For more information about ports, see the Hardware Installation Guide for your appliance model. 

In addition to the configurations shown in 

 and 

, you can also configure:

Multiple Email Security appliances using the Centralized Management feature. See 

 

Redundancy at the network interface card level by “teaming” two of the Ethernet interfaces on Email 
Security appliances using the NIC Pairing feature. See 

SMTP and DNS services must have access to the Internet. Other services may also require open firewall 
ports. For details, see 

Management Ethernet 0

1

1

1

1

1

0

1

1

Data Ethernet 2*

3

3

3

3

3

2*

5

5

Console Serial 

9-pin 9-pin 9-pin 9-pin

RJ-45 RJ-45 RJ-45 RJ-45 RJ-45

Remote Power 
Management (RPC) 

Ethernet  N

N

N

N

Y

Y

Y

Y

Y