Cisco Cisco Web Security Appliance S190 Guía De Instalación

If your Web Security appliance will be added to a failover group for high availability, configure the 
virtual interface to use promiscuous mode, in order to enable the appliances in the failover group to 
communicate with each other using multicasting. 

You can make this change at any time. 

On the host OS, find the 

macvtap

 interface associated with the interface with which the multicast traffic 

will be associated. 

Set the 

macvtap

 interface to use promiscuous mode: 

Enter on the host: ifconfig macvtapX promisc 

Review the Release Notes for your AsyncOS 
release. 

Release Notes are available from the locations in 

. 

Download the virtual appliance image and MD5 
hash from Cisco.

You will need the MD5 hash to check the data 
integrity of the appliance image. 

. 

Deploy the virtual appliance on your ESXi host or 
cluster.

. 

(Optional) Clone the image if you want to run 
multiple virtual appliances on your network.

Prevent intermittent connectivity issues. 

Disable unused network interface cards (NICs) on 
the virtual machine. 

Configure synchronization on the virtual machine 
to avoid random failures on your Cisco Content 
Security virtual appliance.

If DHCP is disabled, set up the appliance on your 
network. 

Install the license file.