Re: 827 pppoe Dynamic ip with webserver

d.happaerts · ‎10-30-2002

I use a Cisco 827 router with PPPoE with a dynamic ip address from the provider.Everything 's working fine, but now i would lijke to install a webserver. Therefor i have to do on portforwarding because the router is configuerd in NAT. I did everything right (i think) but i can't connect my webserver from outside.

However with an Alcatelrouter everything is working well.

Were 's my problem??

Here is my config. My webserver is 192.168.254.5

-------------------------------------------------------------

no service pad

service timestamps debug uptime

service timestamps log uptime

service password-encryption

!

hostname ADSL

!

enable secret xxxxxxxxxxx

!

username ADSL password xxxxxxxx

username xxxxx password xxxxxxxxxxxx

ip subnet-zero

ip name-server 195.238.2.22

ip name-server 195.238.2.21

ip dhcp excluded-address 192.168.254.254

ip dhcp excluded-address 192.168.254.5

!

ip dhcp pool CLIENT

import all

network 192.168.254.0 255.255.255.0

default-router 192.168.254.254

lease 0 2

!

vpdn enable

!

vpdn-group 1

request-dialin

protocol pppoe

!

interface Ethernet0

ip address 192.168.254.254 255.255.255.0

ip nat inside

ip tcp adjust-mss 1452

hold-queue 100 out

!

interface ATM0

no ip address

atm vc-per-vp 64

no atm ilmi-keepalive

--More--

pvc 8/35

pppoe-client dial-pool-number 1

!

dsl operating-mode auto

!

interface Dialer1

ip address negotiated

ip mtu 1492

ip nat outside

encapsulation ppp

ip tcp adjust-mss 1452

dialer pool 1

dialer remote-name redback

dialer-group 1

ppp authentication pap chap callin

ppp chap hostname xxxxxxxxxx

ppp chap password xxxxxxxxxxxxxxx

ppp pap sent-username xxxxxxxxxxx password xxxxxxxxxxx

ppp ipcp dns request

ppp ipcp wins request

!

ip nat inside source list 102 interface Dialer1 overload

ip nat inside source static tcp 192.168.254.5 80 interface Dialer1 80

ip classless

ip route 0.0.0.0 0.0.0.0 Dialer1

no ip http server

!

access-list 23 permit 192.168.254.0 0.0.0.255

access-list 102 permit ip 192.168.254.0 0.0.0.255 any

dialer-list 1 protocol ip permit

!

line con 0

stopbits 1

line vty 0 4

access-class 23 in

exec-timeout 120 0

login

length 0

!

scheduler max-task-time 5000

end

------------------------------------------------------------------------------

bobd · ‎11-01-2002

Your config looks fine from what I can see, but here's a couple of things to try.

First, try adding the key word extendable to the static line, ie:

ip nat inside source static tcp 192.168.254.5 80 interface Dialer1 80 extendable

The only other thing I can think of is if you had added your static translation to the config and didn't reload the router or do a clear ip nat trans * after making the change. This could cause it not to work because the Dialer1 overload translation would still be in effect for your web server.

Hope it helps -

Bob

d.happaerts · ‎11-01-2002

Hi Bob,

I tryd to add the "extendable" at the end of the static command line but it i recieved an invalid input at the word extendable.

The second thing you was no succes either.

I took a look on the site and found an example of a config but it looks the same as the one i 'm using.

Still any suggestions.

Thanks.

Jim