Руководство Пользователя для Cisco Cisco Email Security Appliance X1050
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User Guide for AsyncOS 10.0 for Cisco Email Security Appliances
Chapter 38 Advanced Network Configuration
Direct Server Return
Figure 38-2
Using DSR to Load Balance Between Multiple Email Security Appliances on a Switch
Enabling the Loopback Interface via the etherconfig Command
Once enabled, the loopback interface is treated like any other interface (e.g. Data 1):
Email Security Appliance 1
VIP 1.1.1.1/32
A:B:C:D:E:1
Email Security Appliance 2
VIP 1.1.1.1/32
A:B:C:D:E:2
Load Balancer
VIP 1.1.1.1
Default Gateway
Switch
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.
- MTU - View and configure MTU.
- MULTICAST - Accept or reject ARP replies with a multicast address.
[]> loopback
Currently configured loopback interface:
Choose the operation you want to perform:
- ENABLE - Enable Loopback Interface.
[]> enable