CISCO 1812 can see the internet, but clients can't, outside internet can't

very new to cisco routers here, so i'll try as best that i can..

our network now:
older router = 38.154.x.1
older router = 192.168.10.1

the network'd comptuers are connected to the old router with the 192.168.10.x ip range

we just installed a Cisco 1812 router, just configured it using the SDM express program....

FastEthernet (outside) IP 38.154.x.2

Vlan1 (inside) IP 192.168.30.1

Routing:
0.0.0.0 0.0.0.0 38.154.x.1


client machine = 192.168.30.60 / 255.255.255.0
client gw = 192.168.30.1


the client can't see the internet.
the outside internet computers can't see the router
however, the cisco router can ping internet sites / servers.

any help here?  need more information? please let me know

LVL 6
EricAsked:
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mikebernhardtCommented:
So you are trying to swap out the router so that you're only using the new one, or you're trying to tie them together? You have the default route 0.0.0.0 0.0.0.0 38.154.x.1, which points to the IP of the old router. It needs to point to the ISP's address.
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EricAuthor Commented:
we are eventually swapping routers and replacing the old one. but for now, i am trying to set them parallel to each other...   we have a full class c from our ISP, so testing shouldn't be a problem.
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mikebernhardtCommented:
How are they being connected in parallel? Can you provide:
1. Configs, with passwords removed and public IPs masked as you did above
2. A picture showing devices and how they connect in a simple way, such as

Vlan1-1812 -F0/0---
                          DLink router--- ISP
old router-----------

Or however they are connected. Then I can look and ask more questions.
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pjtemplinCommented:
What is the /24 network from the ISP?  ("class C" is the old term that should not be used any longer)
What is the configuration on the router?  SDM is great (I guess), but many of us use the CLI 100% of the time.
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noctotCommented:
What can the clients ping of the below?

192.168.30.1
38.154.x.2
38.154.x.1
4.2.2.1
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wingateslCommented:
If you configured using the sdm express and did not enable the firewall, this makes sense. telnet to the router and tye "show running-config" and look for these lines;

ip inspect name SDM-LOW tcp
ip inspect name SDM-LOW udp

interface vlan1
ip inspect SDM-LOW out

for a good demo of the SDM express go to http://www.inacom-sby.com/831.ppt

Shawn
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EricAuthor Commented:
I got the router to see the internet.

ping results:

192.168.30.1  = success 5/5
38.154.x.2 = failure 0/5 (umm.. this is the external ip of the router, it should be pinging it, shouldn't it ?)
38.154.x.1 = success 5/5
4.2.2.1 = success 5/5

microsoft.com = failure 0/5
google.com = success 5/5
66.42.x.84 (remote location) = success 5/5

192.168.30.6 (the client i have connected to the router for confuration) = failure 0/5
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PashaModCommented:
Closed, 500 points refunded.
PashaMod
Community Support Moderator
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