System information
 B&B Electronics, Inc.    SPECTRE Configuration Manual 
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Interval. 
Renegotiate 
Interval 
Parameter  sets  the  renegotiation  period  (reauthorization) 
for the OpenVPN  tunnel.  After  this  time  period,  the  router  will  re-
establish the tunnel to ensure the continued security of the tunnel. 
Max Fragment 
Size 
Defines maximum packet size. 
Compression 
  none – No compression is used. 
  LZO – Lossless LZO compression. Compression has to be 
selected on both tunnel ends. 
NAT Rules 
  not applied – NAT rules are not applied to OpenVPN tunnel. 
  applied – NAT rules are not applied to OpenVPN tunnel. 
Authenticate Mode 
  none – is used any authentication mode 
  Pre-shared secret – enables authentication using pre-shared 
secret keys. Both sides of the tunnel must use the same key 
  Username/password  –  enables  authentication  using  CA 
Certificate, Username and Password 
  X.509 Certificate (multiclient) – enables authentication by CA 
Certificate, Local Certificate and Local Private Key 
  X.509  Certificate  (client)  –  enables  authentication  by  CA 
Certificate, Local Certificate and Local Private Key 
  X.509  Certificate  (server)  -  enables  authentication  by  CA 
Certificate, Local Certificate and Local Private Key 
Pre-shared Secret 
Authentication  using  Pre-shared  secret  keys  can  be  used  in  all 
authentication modes. 
CA Certificate 
This  authentication certificate  can  be  used  in authentication  mode 
Username/password and X.509 certificate. 
DH Parameters 
DH parameters can be used in authentication mode X.509 server. 
Local Certificate 
This  authentication certificate  can  be  used  in  authentication mode 
X.509 certificate. 
Local Private Key 
Local private key can be used in authentication mode X.509 certificate. 
Username 
Authentication using a login name and password authentication can be 
used in the Authenticate Mode Username/Password. 
Password 
Extra Options 
Use parameter Extra Options to define additional parameters  of the 
OpenVPN tunnel, for example DHCP options etc. 
Table 27: OpenVPN configuration 
Press the Apply button to apply changes. 










