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In this section:

Use the SPD (Security Policy Database) window to configure IPsec SPD entries for the SBC. The SPD entries establishes the phase 2 criteria for negotiation between the SBC and an IKE peer. The successful completion of this negotiation results in a Security Association (SA).

To View SPD Entries

On the SBC main screen, navigate to All > Address Context > IPsec > SPD.

The SPD window opens.

SPD Window

To Create an SPD Entry

To create a new SPD entry:

Use the drop-down box to select the desired Address Context for the SPD.

Click New SPD. The Create New SPD window opens.

Create New SPD Window

The following fields are displayed:

SPD Parameters


Parameter

Length/Range

Description

Name

1-23

Specifies the name of an IPsec Security Policy Database (SPD) entry. The IPsec SPD is an ordered list of entries ("rules") that specify sets of packets and determine whether or not to permit, deny, or protect packets between the SBC and the peer that is referenced from the entry. If the packets are to be protected, this entry references information that specifies how to protect them.

You may create and configure up to 4,096 SPD entries.

StateNAAdministrative state to disable or enable a SPD entry.  
Precedence0-65535A unique precedence (evaluation order) for this SPD.
Local IP AddrN/ASpecifies the local IPv4 or IPv6 address of the SPD traffic selector. Zero indicates wildcard.
Local IP Prefix Len0-128Specifies the local IP prefix length of the SPD traffic selector. Default value is 0.
Local Port0-65535Specifies the local port of the SPD traffic selector. Zero indicates wildcard. Default value is 0.
Remote IP AddrNASpecifies the remote IPv4 or IPv6 address of the SPD traffic selector. Zero indicates wildcard.
Remote IP Prefix Len0-128Specifies the remote IP prefix length of the SPD traffic selector. Default value is 0.
Remote Port0-65535Specifies the remote port of the SPD traffic selector. Zero indicates wildcard. Default value is 0.
Protocol0-255Specifies the IP protocol number of the SPD traffic selector. This parameter uses IANA protocol number assignment, that is, protocol number 6 represents TCP, protocol number 17 represents UDP. Zero indicates wildcard. Default value is 0.

Action

N/A

Action applied when packets processed by IPSEC found matching the selectors of this SPD rule.

  • Discard – Specifies that the packets are dropped.
  • Bypass – Specifies that the packets are bypassed as clear text.
  • Protect – Specifies that the packets are protected by IPSEC based on the protection parameters specified in the configured ipsec protection profile.

Mode

NA

Use this parameter to set the IPsec mode for the SPD.

  • Tunnel (default) – Use this mode to encrypt and authenticate the entire IP packet (both header and payload). This encrypted packet is encapsulated in a new packet containing a new IP header.
  • Transport – Use this mode to encrypt and authenticate the IP payload only.

Notes:

  • This parameter is only applicable when Action is set to Protect.
  • Transport mode is the recommended mode for LI configuration.
  • Tunnel mode is recommended for SIP peering. Although transport mode is also supported for SIP peering, the use of transport mode requires the SBC's SIP signaling port IP address to be the same as the SBC's IP interface IP address.

To Edit an SPD Entry

To edit an SPD entry:

  1. Click the radio button next to the specific SPD name. The Edit Selected SPD window opens.
  2. Make the required changes and click Save at the right hand bottom of the panel to save the changes made.

To Copy an SPD Entry

To copy an SPD entry:

  1. Click the radio button next to the specific SPD you want to copy.
  2. Click Copy SPD. The Copy Selected SPD window opens.
  3. Make any required changes to the fields and click Save to save the changes. 

To Delete an SPD Entry

To delete an SPD entry:

  1. Click the radio button next to the SPD which you want to delete.
  2. Click the Delete icon (X) at the end of the row. 
  3. Confirm the deletion when prompted.


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