ESR Series Routers Operation Manual                                                          83 
Specify previously imported certificates and keys that will be used with OpenVPN server: 
esr(config-openvpn)#  certificate ca ca.crt 
esr(config-openvpn)#  certificate dh dh.pem 
esr(config-openvpn)#  certificate server-key server.key 
esr(config-openvpn)#  certificate server-crt server.crt 
esr(config-openvpn)#  certificate ta ta.key 
Specify security zone that user sessions will be related to: 
esr(config-openvpn)# security-zone VPN 
Select aes128 encryption algorithm: 
esr(config-openvpn)# encryption algorithm aes128 
Enable OpenVPN server:   
esr(config-openvpn)# enable 
When a new configuration is applied, the router will listen to port 1194 (used by default). 
To view OpenVPN server session status, use the following command:  
esr# show remote-access status openvpn server AP  
To view OpenVPN server session counters, use the following command: 
esr# show remote-access counters openvpn server AP  
To clear OpenVPN server session counters, use the following command: 
esr# clear remote-access counters openvpn server AP  
To end OpenVPN server session for user 'fedor', use one of the following commands: 
esr# clear remote-access session openvpn username fedor 
esr# clear remote-access session openvpn server AP username fedor 
To view OpenVPN server configuration, use the following command: 
esr# show remote-access configuration openvpn AP  
 
 
7.24  Dual-Homing Configuration
1
 
Dual-Homing is a technology based on redundant links that creates a secure connection in order to 
prevent failures of the key network resources. 
  
1
 In the current firmware version, this functionality is supported only by ESR-1000 router.