Network Router User Manual
Table Of Contents
- Notices
- Contents
- About This Manual
- Introduction
- Hot Swapping Line Cards and Control Modules
- Bridging Configuration Guide
- Bridging Overview
- VLAN Overview
- Configuring SSR Bridging Functions
- Monitoring Bridging
- Configuration Examples
- SmartTRUNK Configuration Guide
- ATM Configuration Guide
- Packet-over-SONET Configuration Guide
- DHCP Configuration Guide
- IP Routing Configuration Guide
- IP Routing Protocols
- Configuring IP Interfaces and Parameters
- Configuring IP Interfaces to Ports
- Configuring IP Interfaces for a VLAN
- Specifying Ethernet Encapsulation Method
- Configuring Jumbo Frames
- Configuring Address Resolution Protocol (ARP)
- Configuring Reverse Address Resolution Protocol (RARP)
- Configuring DNS Parameters
- Configuring IP Services (ICMP)
- Configuring IP Helper
- Configuring Direct Broadcast
- Configuring Denial of Service (DOS)
- Monitoring IP Parameters
- Configuring Router Discovery
- Configuration Examples
- VRRP Configuration Guide
- RIP Configuration Guide
- OSPF Configuration Guide
- BGP Configuration Guide
- Routing Policy Configuration Guide
- Route Import and Export Policy Overview
- Configuring Simple Routing Policies
- Configuring Advanced Routing Policies
- Multicast Routing Configuration Guide
- IP Policy-Based Forwarding Configuration Guide
- Network Address Translation Configuration Guide
- Web Hosting Configuration Guide
- Overview
- Load Balancing
- Web Caching
- IPX Routing Configuration Guide
- Access Control List Configuration Guide
- Security Configuration Guide
- QoS Configuration Guide
- Performance Monitoring Guide
- RMON Configuration Guide
- LFAP Configuration Guide
- WAN Configuration Guide
- WAN Overview
- Frame Relay Overview
- Configuring Frame Relay Interfaces for the SSR
- Monitoring Frame Relay WAN Ports
- Frame Relay Port Configuration
- Point-to-Point Protocol (PPP) Overview
- Configuring PPP Interfaces
- Monitoring PPP WAN Ports
- PPP Port Configuration
- WAN Configuration Examples
- New Features Supported on Line Cards

Chapter 16: Network Address Translation Configuration Guide
230 SmartSwitch Router User Reference Manual
Then, define the NAT dynamic rules by first creating the source ACL pool and then
configuring the dynamic bindings:
Using Dynamic NAT with Matching Interface Redundancy
If you have redundant connections to the remote network via two different interfaces, you
can use NAT for translating the local address to the different global pool specified for the
two connections. This case is possible when you have two ISPs connected on two different
interfaces to the Internet. Through a routing protocol, some routes will result in traffic
going out of one interface and for others going out on the other interface. NAT will check
which interface the packet is going out from before selecting a global pool. Hence, you can
specify two different global pools with the same local ACL pool on two different
interfaces.
acl lcl permit ip 10.1.1.0/24
nat create dynamic local-acl-pool lcl global-pool 192.50.20.0/24 matching-
if 192-net
nat create dynamic local-acl-pool lcl global-pool 210.50.20.0/24 matching-
if 201-net