Riverstone-networks WICT1-12 Bedienungsanleitung Seite 498

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21-12 Riverstone Networks RS Switch Router User Guide Release 8.0
Configuration Examples Network Address Translation Configuration
3.
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-interface
192-net
nat create dynamic local-acl-pool lcl global-pool 210.50.20.0/24 matching-interface
201-net
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