Natting Problems

Unanswered Question
Nov 10th, 2007

hi, i have configured the router to dial PPPoE connection and do natting & routing:

ip nat inside source route-map Connection_1 interface Dialer1 overload

ip route 0.0.0.0 0.0.0.0 Dialer1

route-map Connection_1 permit 10

match ip address 1

match interface Dialer1

anyway, everything works fine, except for few strange issues,

such as, when i tun P2P client, the speed become very slow behind the router, if i connect the P2P client directly to the internet, it's very fast.

id like to know why, what causes that natting is not functioning well when i use P2P, while almost all other applications run smoothly?

I have this problem too.
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tekha Sun, 11/11/2007 - 05:52

Well, what does your access-list 1 look like?

What router model are you using ?

How much load is there on the processor when using P2P? ("sh proc cpu his")

And do you have firewall features (CBAC/inspect) enable on the router?

xbaha54321 Sun, 11/11/2007 - 12:49

hi, thanks for reply, here is the ansowers:

access-list 1 permit 192.168.1.0 0.0.0.255

dialer-list 1 protocol ip permit

Router Cisco 3845

the load is not that much, i am currently the only user using it for testing.

cpu < 1% utilization, and memory is almost free.

no firewalls enabled at all at the router..

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