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NAT - extendable keywords aren’t added when natted to interface
Hi Group,
When I configure static nat to an IP address, IOS add extendable keyword automatically:
Rack1R5(config)#do sh run | in static ip nat inside source static tcp 173.1.5.100 25 192.10.1.5 25 extendable ip nat inside source static tcp 173.1.5.100 80 192.10.1.5 80 extendable ip nat inside source static tcp 173.1.5.100 110 192.10.1.5 110 extendable ip nat inside source static tcp 173.1.5.100 443 192.10.1.5 443 extendable Rack1R5(config)#
But When I configure static nat to interface, IOS doesn’t add the keyword:
Rack1R5#sh run | in static ip nat inside source static tcp 173.1.5.100 110 interface FastEthernet0/0 110 ip nat inside source static tcp 173.1.5.100 25 interface FastEthernet0/0 25 ip nat inside source static tcp 173.1.5.100 443 interface FastEthernet0/0 443 ip nat inside source static tcp 173.1.5.100 80 interface FastEthernet0/0 80 Rack1R5#
Do they work the same? Why IOS doesn’t add extendable keyword in 2nd scenario?
Thanks
Phuc
