Problem with routing at old 2600

Unanswered Question
Aug 13th, 2009

Hi ppl,

I have nooby problem with my old 2600 router.

I have network as shown at attached picture - My PC (with IP 192.168.0.2/24 and Def GW 192.169.0.1), Cisco 2600 with 2 Ethernet ports (in - E0/1 with IP 192.168.0.1, out - E0/0 with IP 10.244.16.198) and Internet Gateway Server (with in IP 10.244.16.1/24 and out IP 80.xxx.yyy.zzz).

Cisco configuration is:

___START___

version 12.2

service timestamps debug uptime

service timestamps log uptime

no service password-encryption

!

hostname Router

!

enable secret 5 XXXXXXXXXXXXXXX

!

ip subnet-zero

!

!

!

interface Ethernet0/0

ip address 10.244.16.198 255.255.255.0

half-duplex

!

interface Serial0/0

no ip address

shutdown

!

interface Ethernet0/1

ip address 192.168.0.1 255.255.255.0

half-duplex

!

interface Serial0/1

no ip address

shutdown

!

!

ip default-gateway 10.244.16.198

ip classless

ip route 0.0.0.0 0.0.0.0 10.244.16.1 permanent

no ip http server

ip pim bidir-enable

!

!

line con 0

line aux 0

line vty 0 4

password XXXXXXXXXXX

login

!

no scheduler allocate

end

___END___

So, from My PC I can ping 192.168.0.1 and 10.244.16.198, but nothing else (even 10.244.16.1). From router I can ping everithyng (even this forum :) ).

Could you please take a look and tell me where is an error?

Thanks in advance!

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Jon Marshall Thu, 08/13/2009 - 23:33

George

You need to NAT your internal 192.168.0.x addresses because they are not routable on the Internet so you won't get any response.

Add this to your config -

int e0/1

ip nat inside

int e0/0

ip nat outside

access-list 101 permit ip 192.168.0.0 0.0.0.255 any

ip nat inside source list 101 interface e0/0 overload

Jon

gshengel Thu, 08/13/2009 - 23:47

I is mirracle! Just copy-paste - and everything started working!

THANKS!!!

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