08-01-2011 08:18 AM - edited 03-07-2019 01:29 AM
Hi everyone,
I'm trying to change my office's router (a D-Link) for a Cisco 1841.
The current router works for internet access but I need to do some new things which are too tricky to achieve on D-Link's user interface.
The network diagram is attached.
I need to assign the local server as our DHCP & DNS server.
So, I have been testing and trying to give LAN access to the internet with the following configuration:
*******
Router#sh run
Building configuration...
Current configuration : 1173 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
!
resource policy
!
mmi polling-interval 60
no mmi auto-configure
no mmi pvc
mmi snmp-timeout 180
ip subnet-zero
ip cef
!
!
no ip dhcp use vrf connected
!
ip dhcp pool OFFICE
next-server 192.168.0.70
dns-server 192.168.0.70
!
!
!
!
!
!
interface FastEthernet0/0
ip address 192.168.0.3 255.255.255.0
ip nat inside
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 172.10.16.64 255.255.0.0
ip nat outside
duplex auto
speed auto
!
interface Serial0/0/0
no ip address
shutdown
clockrate 2000000
!
interface Serial0/0/1
no ip address
shutdown
clockrate 2000000
!
ip classless
!
ip http server
ip nat pool ISP 172.10.16.64 172.10.16.70 prefix-length 24
ip nat inside source list 1 pool ISP
!
access-list 1 permit 192.168.0.0 0.0.0.255
access-list 101 permit icmp 192.168.0.0 0.0.0.255 any echo-reply
access-list 101 permit ip any any
!
control-plane
!
!
line con 0
line aux 0
line vty 0 4
login
!
end
*******
But so far, It hasn't worked.
I can't even receive any ping responses from f0/0.
What really worries me it's the fact that I know this should be a very easy set-up.
What am I doing wrong?
Thanks in advance.
Solved! Go to Solution.
08-02-2011 09:17 AM
Raul
You may want to look at the DNS settings again. From the PCs you are having problems with can you ping IP addresses on your local LAN ?
Jon
08-02-2011 10:28 AM
Weird thing:
For some PCs which have problems seems to be a "randomized error".
Sometimes I can see our website sometimes I can't.
This is happening in two Win XP 64 bit machines.
Thanks,
RA.
08-02-2011 10:33 AM
Raul
Are these still the DNS settings -
DNS Servers: X.X.X.X --> First ISP DNS
Y.Y.Y.Y --> Second ISP DNS
192.168.0.70
the random effect may be caused when you client tries to your website using one of the ISP DNS servers rather than your internal server.
Jon
08-02-2011 01:08 PM
I changed on all PCs this way:
192.168.0.70
First ISP DNS
Second ISP DNS
I seems to be OK now.
Next step, configure NAT to allow access to our website from outside.
If I find some problem, I will open a new discussion thread
Thank you very much Jon and grinch182...!!!
08-02-2011 01:26 PM
Raul
Glad you finally got there
Jon
08-02-2011 08:26 PM
Glad you solved this problem. Good luck Raul!
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