How to change source ip in ip nat translation? Please help

San Jose, California
July 22, 2013 1:30am CST
Question: Some network pros WS-C3560X-48PF-L Price WS-C3560X-48PF-L Price have setup our Cisco 3620 many years back during implementation. I've just added a new server, with new ip, wanted to change the ip of ip nat translation in this router. Anyone can help? I did a show run, the config is this; interface FastEthernet0/0 ip address 57.31.132.116 255.255.255.240 no ip redirects ip nat outside no ip route-cache cef no ip route-cache no ip mroute-cache speed 100 full-duplex standby 222 ip 57.31.132.115 standby 222 priority 105 standby 222 preempt standby 222 authentication cisco222 standby 222 name hsrp-122 ! interface FastEthernet0/1 description SITA External services NAT Trunk no ip address no ip route-cache cef no ip route-cache no ip mroute-cache speed 100 full-duplex ! interface FastEthernet0/1.170 description AODB inside encapsulation dot1Q 170 ip address 10.110.10.101 255.255.128.0 no ip redirects ip nat inside no ip route-cache no ip mroute-cache standby 170 ip 10.110.10.100 standby 170 priority 105 standby 170 preempt standby 170 authentication cisco170 standby 170 name aodb standby 170 track FastEthernet0/0 ! interface FastEthernet0/1.171 description BHS encapsulation dot1Q 171 ip address 10.10.10.101 255.255.0.0 no ip redirects ip nat inside no ip route-cache no ip mroute-cache standby 171 ip 10.10.10.100 standby 171 priority 105 standby 171 preempt standby 171 authentication cisco171 standby 171 name bhs standby 171 track FastEthernet0/0 ! ip nat Stateful id 1 redundancy hsrp-122 mapping-id 10 ip nat inside source static 10.110.10.33 57.31.132.121 redundancy hsrp-122 ip nat inside source static 10.10.10.50 57.31.132.122 redundancy hsrp-122 ip nat inside source static 10.110.10.7 57.31.132.119 redundancy hsrp-122 ip nat inside source static 10.10.10.51 57.31.132.123 redundancy hsrp-122 ip nat inside source static 10.110.10.4 57.31.132.120 redundancy hsrp-122 no ip http server ip classless ip route 0.0.0.0 0.0.0.0 57.31.132.113 ! My cisco knowledge is very basic. I would like to change this line ip nat inside source static 10.110.10.33 57.31.132.121 redundancy hsrp-122 or if can, add another line... My new ip is 10.110.10.123 but i don't have control over 57.31.132.0 network. 10.110.10.0 belongs to us. so, either change to 10.110.10.123 57.31.132.121 or add another new line like 10.110.10.123 57.31.132.124 ? Not sure it will impact that network. Appreciate if anyone could help. thanks. Answer: Config Mode route (config)# ip nat inside source static (local IP) (Public IP) Make Sure Local IP that you give its gateway must be Router Inside Interface IP **Please Rate All Helpful WS-C3560X-48PF-L WS-C3560X-48PF-L Posts**Internet
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