Administrative Security Guide IKEv2 Support Local Address Pool Configuration Persistent Tunnel Addressing Configuration Persistent Tunnel Addressing Configuration Use the following command sequence to enable persistent tunnel addressing. Access the ike-config configuration element. ORACLE# configure terminal ORACLE(configure)# security ORACLE(security)# ike ORACLE(ike)# ike-config options—Enable address persistence. ORACLE(ike-config)# options +assume-initial-contact ORACLE(local-address-pool)# Type done to save your configuration.