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New Member

How can doing NAT from outside (internet) to inside LAN Servers using one public IP??????

How can doing NAT from outside (internet) to inside LAN Servers using one public IP??????

Should I using route map ????

1 ACCEPTED SOLUTION

Accepted Solutions
New Member

Lets say 99.3.81.66 is your

Lets say 99.3.81.66 is your public IP and ISP is on INT G0/0

ip nat inside source list 1 interface GigabitEthernet0/0 overload

ip nat inside source static tcp 10.3.81.6 443 993.81.66 443 extendable
ip nat inside source static tcp 10.3.81.61 80 99.3.81.66 80 extendable

access-list 1 permit 10.3.81.0 0.0.0.255

Int G0/0

ip nat outside

int g0/2

ip nat inside

9 REPLIES
New Member

what is device are you using

what is device are you using ?

New Member

1941 series and no firewall

1941 series and no firewall connected.

New Member

Are you something configure ?

Are you something configure ? Please put in command line "show ip nat statistics" and show your configuration.

New Member

mussab

mussab

Contact your network engineer they will do the needful..

also provide him (list H323 port for VC )for opening at firewall end.

New Member

For your information no

For your information no firewall used in this topology and thank you for helping.

New Member

you can use the nat in port

you can use the nat in tcp/udp port ej:

serv1:80

serv2:21

publicip:80 ---> serv1:80

publicip:21 ---> serv2:21

New Member

Lets say 99.3.81.66 is your

Lets say 99.3.81.66 is your public IP and ISP is on INT G0/0

ip nat inside source list 1 interface GigabitEthernet0/0 overload

ip nat inside source static tcp 10.3.81.6 443 993.81.66 443 extendable
ip nat inside source static tcp 10.3.81.61 80 99.3.81.66 80 extendable

access-list 1 permit 10.3.81.0 0.0.0.255

Int G0/0

ip nat outside

int g0/2

ip nat inside

New Member

NAT have three type:

NAT have three types:

static NAT: when you assign one public IP to one private IP.

Dynamic NAT: when you have a pool of public IPs that is mapped to a pool of private IPs.

overload NAT: when you have single public IP and a pool of private IPs, and it will use private IP user ports or process ID to built NAT table...

Use Nat overload method

New Member

Thank you very much and for

Thank you very much and for all people who tried to help me to solve this problem.....

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