Cisco Cisco Clean Access 3.5

The following sections describe how to set up high availability in four general procedures:

Step 1: 

Step 2: 

Step 3: 

 

Step 4: 

Step 5: 

 

If configuring high availability for Clean Access Servers that operate as DHCP servers (not in DHCP 
relay or passthrough mode), you also need to configure the SSH tunnel between them. 

The general sequence to configure the primary CAS is as follows:

 

 

 

 

These steps are detailed in the following sections. 

When done, continue to 

. 

Each Clean Access Server has its own web admin console that allows configuration of certain limited 
Administration settings directly on the CAS. The CAS direct access web console must be used to 
configure CAS pairs for HA. 

To access the primary Clean Access Server’s direct access web admin console:

Open a web browser and type the IP address of the trusted (eth0) interface of the CAS in the 
URL/address field, as follows: https://<PrimaryCAS_eth0_IP>/admin (for example, 

) 

Accept the temporary certificate and log in as user 

 (default password is 

). 

In order to copy and paste values to/from configuration forms, it is recommended to keep both web 
consoles open for each CAS (primary and standby). See also 

To ensure security, it is recommended to change the default password of the CAS.