1. Configuration Guide
  2. Session Plug-In Language
  3. Enterprise SPLs
  4. SBC Deployment Behind a NAT Device
  5. Configure the SBC Behind a NAT Device Option

Configure the SBC Behind a NAT Device Option

Configure one public-private address pair for each SIP interface that uses the Support for SBC Behind NAT SPL plug-in, as follows.

  • The private IP address must be the same as the SIP interface IP address.
  • The public IP address must be the public IP address of the NAT device.

Before You Begin

  • Confirm that the SIP interface is configured.
  • Confirm that you are in the Superuser mode.

To configure the SIP interface IP addresses:

  1. Access the sip-interface configuration element. 
    ORACLE# configure terminal
ORACLE(configure)# session-router
ORACLE(session-router)# sip-interface
ORACLE(sip-interface)#
  2. Select the SIP interface. 
    ORACLE(sip-interface)# select
<RealmID>:
1: DefaultENT 172.16.1.100:5060
2: DefaultSP  192.168.0.1:5060

selection:2
ORACLE(sip-interface)#
  3. Type spl-options +HeaderNatPrivateSipIfIp "<value>", where <value> is the private SIP interface IP address. 
    ORACLE(sip-interface)#spl-options +HeaderNatPrivateSipIfIp=192.168.0.1
  4. Type spl-options +HeaderNatPublicSipIfIp "<value>", where <value> is the public IP address of the NAT device, and press <Enter>. 
    ORACLE(sip-interface)#spl-options +HeaderNatPublicSipIfIp=10.0.0.99
  5. Type done, and press <Enter>.
  6. Save and activate the configuration.