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Slow Internet access using natted 1p through Cisco 7204. Public Ip's work fine

Posted on 2006-07-13
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Last Modified: 2010-04-17
I am natting 192.168.1.x through our 7204 router. When I do this everything run slow for these ips. Put in static routable ips on some computers going through the same router they work fine. I am ata loss here any ideas would be appreciated.
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Question by:kvnet
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14 Comments
 
LVL 12

Expert Comment

by:Scotty_cisco
ID: 17104160
Post the nat section of the config .... using a 7204 you should have plenty of power to do what your talking about...

Thanks
scott
0
 

Author Comment

by:kvnet
ID: 17104330
Here you go.


Terry


ip nat pool KVN 12.154.118.73 12.154.118.73 netmask 255.255.255.192
ip nat inside source list 1 pool KVN overload
i
i
!
!
access-list 1 permit 192.0.0.0 0.255.255.255
0
 
LVL 12

Expert Comment

by:Scotty_cisco
ID: 17104784
Have you tried using the pool in the full range that you have specified within the netmask?

Thanks
Scott
0
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Author Comment

by:kvnet
ID: 17104821
No we have not. All we have is the 1 ip address from the ISP for the internet access.

Terry
0
 
LVL 12

Expert Comment

by:Scotty_cisco
ID: 17104881
ok then try changing the netmask on the nat pool to 255.255.255.255

thanks
Scott
0
 

Author Comment

by:kvnet
ID: 17105060
Will try that tomorrow.

Thanks.

Terry
0
 

Author Comment

by:kvnet
ID: 17122081
I ttried changing it and got the reply pool to small needs to be at least 255.255.255.252. Any ideas?
0
 
LVL 12

Accepted Solution

by:
Scotty_cisco earned 100 total points
ID: 17122409
have you tied just nating to the outside interface?

Thanks
scott
0
 
LVL 32

Expert Comment

by:rsivanandan
ID: 17127529
Is this ip address assigned to the outside interface of the router ?

Cheers,
Rajesh
0
 

Author Comment

by:kvnet
ID: 17129117
Yes it is.
0
 

Author Comment

by:kvnet
ID: 17129125
have you tied just nating to the outside interface?

Thanks
scott



Not sure what you mean by that.

Terry
0
 
LVL 32

Assisted Solution

by:rsivanandan
rsivanandan earned 100 total points
ID: 17129234
Instead of the following;

ip nat pool KVN 12.154.118.73 12.154.118.73 netmask 255.255.255.192
ip nat inside source list 1 pool KVN overload
i
i
!
!
access-list 1 permit 192.0.0.0 0.255.255.255

TRY THIS;

ip nat inside source list 1 interface <interfacenamewheretheipisassinged> overload
i
i
!
!
access-list 1 permit 192.0.0.0 0.255.255.255

Cheers,
Rajesh
0

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