Cisco Cisco Email Security Appliance X1050 Guía Del Usuario
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Cisco AsyncOS 8.0.1 for Email User Guide
Chapter 33 Advanced Network Configuration
Virtual Local Area Networks (VLANs)
VLANs can be created on all “Data” and “Management” ports, including fiber optic data ports available
on some Cisco X10x, C3x, and C6x appliances.
on some Cisco X10x, C3x, and C6x appliances.
VLANs can be used with NIC pairing (available on paired NICs) and with Direct Server Return (DSR).
VLAN limitations can send mail through the Cisco appliance. The blue line shows mail coming from the
sales network (VLAN1) to the appliance. The appliance will process the mail as normal and then, upon
delivery, tag the packets with the destination VLAN information (red line).
sales network (VLAN1) to the appliance. The appliance will process the mail as normal and then, upon
delivery, tag the packets with the destination VLAN information (red line).
Figure 33-2
Using VLANs to Facilitate Communication Between Appliances
Managing VLANs
You can create, edit and delete VLANs via the
etherconfig
command. Once created, a VLAN can be
configured via the Network -> Interfaces page or the
interfaceconfig
command in the CLI. Remember
to commit all changes.
Creating a New VLAN via the etherconfig Command
In this example, two VLANs are created (named VLAN 31 and VLAN 34) on the Data 1 port:
IronPort appliance configured
VLAN
“Switch”
Internet
“Router”
or
Data 2 interface
Sales server
Finance server
VLAN1
VLAN2
VLAN3
for VLAN1, VLAN2, VLAN3
mail3.example.com> etherconfig
Choose the operation you want to perform:
- MEDIA - View and edit ethernet media settings.
- PAIRING - View and configure NIC Pairing.
- VLAN - View and configure VLANs.
- LOOPBACK - View and configure Loopback.