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Cấu hình route map:
route-map backup permit 20
match ip address internet
match interface FastEthernet0/1
route-map primary permit 10
match ip address internet
match interface FastEthernet0/0
ACL:
ip access-list extended internet
permit ip any any
Cấu hình NAT
ip nat inside source route-map backup interface FastEthernet0/1 overload
ip nat inside source route-map primary interface FastEthernet0/0 overload
Cấu hình route:
ip route 0.0.0.0 0.0.0.0 f0/0 10
ip route 0.0.0.0 0.0.0.0 f0/1 20
This document describes a configuration for a Cisco IOS? router to connect a network to the Internet with Network Address Translation (NAT) through two ISP connections. The NAT of the Cisco IOS Software can distribute subsequent TCP connections and UDP sessions over multiple network connections, if equal-cost routes to a given destination are available.
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