/cfg/slb/lp/nat
Smart NAT Menu
The Smart NAT feature provides one centralized pane to configure all required NAT translations. You can add, edit, and delete entries in one location, which simplifies the process of NAT translation configuration.
The following types of NAT translations are supported:
Static NAT—Ensures delivery of specific traffic to a particular server on the internal network. For example, LinkProof uses Static NAT, meaning predefined addresses are mapped to a single internal host to load balance traffic to the host among multiple transparent traffic connections. This ensures that the return traffic uses the same path, and also allows traffic to that single host to use multiple ISPs transparently. You assign multiple Static Smart NAT addresses to the internal server, typically one for each ISP address range.
Dynamic NAT—Enables LinkProof to hide various network elements located behind LinkProof. Using this feature, LinkProof replaces the original source IP address and source port of a packet that is with the configured NAT IP address and a dynamically allocated port before forwarding the request to the group. The network elements whose addresses are translated can be servers or other local hosts. You can set different NAT addresses for different ranges of intercepted addresses. For example, traffic from subnet A is translated using IP address 10.1.1.1, and traffic from subnet B is translated using IP address 10.1.1.3.
No Nat—Enables a simple configuration where internal hosts have IP addresses that belong to a range of one of the group servers. Traffic to and from these hosts should not be translated if the traffic is forwarded to this group server.
Note: In high availability topologies, Smart NAT is supported in Switch HA mode only.
[Smart NAT n Menu] name - Set descriptive Smart NAT name type - Set Smart NAT type persist - Set Smart NAT persistence mode ipver - Set IP version locladd - Set Local address or network class wanlink - Set WAN Link id for this Smart NAT natadd - Set NAT address or network class del - Delete Smart NAT cur - Display current Smart NAT configuration |
Smart NAT Menu Options (/cfg/slb/lp)
Command Syntax and Usage |
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name |
| Specifies the identifier for this NAT address (a virtual server with this identifier is generated for each NAT address). |
type |
| Sets the Smart NAT type. Values: No NAT, Static NAT, Dynamic NAT |
persist |
| Specifies the Smart NAT persistence mode. Smart NAT persistence mode is only relevant when the Smart NAT type is set to Dynamic NAT. Values:  none—Smart NAT persistence is not used.  host—Preserves the host bits of an IP address, and translates only the network prefix bits of the IP address.  client—The same proxy IP address is used to redirect all connections from a specific client using the same proxy IP address. Default: none |
ipver |
| Sets the IP version: IPv4 or IPv6. |
locladd |
| Sets Local IP address or network class. |
wanlink |
| Sets WAN Link ID for this Smart NAT. |
natadd |
| Sets NAT IP address or network class. |
del |
| Deletes Smart NAT. |
cur |
| Displays the current Smart NAT configuration. |