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Replies

NAT

saidfrh
Level 1
Level 1

Hi,

Static Nat is working, however dynamic NAT is not working in following config. Why is dynamic NAT not working in this config?

I can ping from workstation with static private address 193.168.1.5/24 to the e0/0 int 193.168.1.1. The above does not ping successfully to s1/0 int 200.200.100.1 on router.

Thanks.

Said

NAT#sh run

Building configuration...

Current configuration : 1031 bytes

!

version 12.3

service timestamps debug datetime msec

service timestamps log datetime msec

no service password-encryption

!

hostname NAT

!

boot-start-marker

boot-end-marker

!

!

no aaa new-model

ip subnet-zero

ip cef

!

!

!

ip audit po max-events 100

no ftp-server write-enable

!

!

!

!

interface Ethernet0/0

ip address 193.168.1.1 255.255.255.0

ip nat inside

half-duplex

!

interface TokenRing0/0

no ip address

shutdown

ring-speed 16

!

interface Serial1/0

ip address 200.200.100.1 255.255.255.252

ip nat outside

no fair-queue

!

interface Serial1/1

no ip address

shutdown

!

interface Serial1/2

no ip address

shutdown

!

interface Serial1/3

no ip address

shutdown

!

ip nat pool public 200.200.100.129 200.200.100.250 netmask 255.255.255.128

ip nat inside source list 1 pool public

ip nat inside source static 193.168.1.2 200.200.100.252

ip http server

ip classless

ip route 0.0.0.0 0.0.0.0 200.200.100.2

!

!

access-list 1 permit 193.168.1.0 0.0.0.255

!

line con 0

exec-timeout 0 0

line aux 0

line vty 0 4

login

!

!

1 Accepted Solution

Accepted Solutions

pkhatri
Level 11
Level 11

Hi,

Could you post the output of 'sh ip nat translations' after you ping from the workstation ?

Also, is the workstation able to ping locations on the Internet at all ? Or is it having problems getting out to any address ?

Paresh

View solution in original post

3 Replies 3

pkhatri
Level 11
Level 11

Hi,

Could you post the output of 'sh ip nat translations' after you ping from the workstation ?

Also, is the workstation able to ping locations on the Internet at all ? Or is it having problems getting out to any address ?

Paresh

Paresh,

I shut off the the routers and the dynamic NAT config is working.

Cool.. I could not see any reason myself why it was not working. The reboot probably cleared the NAT translation table which I thought was where the issue was.

Good to see that you got it going.

Paresh