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ny167

Hi am am trying to do the ccna skills 4 test, which includes:

frame relay
ppp
eigrp
dhcp
nat
pat
configure static routes.

Everything works fine until I get to NAT and PAT.

Here is the outline:
3 routers = ISP, Sydney, Auckland
ISP>Sydney  = Frame relay
Sydney> Auckland  = ppp with chap

regarding NAT the tasks are:
NAT to translate the 10.0  addresses to a 192.168.100.0/24. Use PAT to ensure that only the addresses 192.168.100.11 to .20 are translated to.
Use a static mapping of 10.10.0.1 to 192.168.0.1


my nat configs on ISP are

Interface e 0 = 10.10.0.1/16
ip nat inside
int s 0/0 = 192.168.2.1 /30
ip nat outside


access-list 1 permit 10.10.0.0 0.0.255.255
ip nat pool NAT 192.168.100.11 192.168.100.20 netmask 255.255.255.0
ip nat inside source static 10.10.0.1 192.168.100.1
ip nat inside source list 1 pool NAT overload

Sydney has a default route pointing back to ISP, which has also been redistributed to Auckkland.

Any ideas why the NAT dont work.
I cant see why

Thanks

directly_connected

I can't really remember, but I don't think you can use PAT with a pool of addresses. Take the "overload" keyword off and see what happens.
Everything else is correct.

Tim

directly_connected

Nevermind---your problem is that the IP address on s0/0 on ISP needs to be in the same subnet as the NAT pool.

Tim

fraggle0701

There is something not quite right about this scenario.
the original text states that isp interface serial 0/0 has an ip address of 192.168.1.5/30

but the nat'd address comes from a pool from 192.168.100.0 network, has cisco made a mistake as I can't get this to work either.

I have had difficulty with this practical for ages both in realtime on cisco kit and in packet tracer 5.1

even the frame-relay doesn't seem to work despite having all configs on router.

has anyone got a full set of configs so that I can compare them with my ones..