/mcpDescription Field Specifies the authentication method. Authentication Method Specifies the preshared key if you selected Pre-shared Key in the Authentication Name field. Pre-shared IPSec keys can contain alphanumeric characters and hyphens only, not white spaces or any other characters. If you are migrating from a Windows-based version of Cisco Unified Communications Manager, you may need to change the name of your pre-shared IPSec keys, so they are compatible with current versions of Cisco Unified Communications Manager. Note Preshared Key Specifies whether the peer is the same type or different. Peer Type If you choose Different for the peer type, enter the new certificate common name. Certificate Common Name Specifies the IP address or FQDN of the destination. Destination Address Specifies the port number at the destination. Destination Port Specifies the IP address or FQDN of the source. Source Address Specifies the port number at the source. Source Port Specifies Transport mode. Mode Specifies the port number to use at the destination. Remote Port Specifies the specific protocol, or Any: • TCP • UDP • Any Protocol From the drop-down list, select the encryption algorithm. Choices include • DES • 3DES Encryption Algorithm Specifies the hash algorithm • SHA1—Hash algorithm that is used in phase 1 IKE negotiation • MD5—Hash algorithm that is used in phase 1 IKE negotiation Hash Algorithm Cisco Unified Communications Operating System Administration Guide for Cisco Unity Connection Release 15 34 Security Set Up a New IPSec Policy