I've got a Cisco 2620 hooked up to a T1 and it's connected to the world nicely. I've configured NAT for the internal network which I'm running on the ip space of 10.241.82.*, with the IP of 10.241.82.1 being utilized by a server on my network that I do not have access too.
This is the first time I've setup a full blown router like this, but I think I have a fairly firm grasp on whats going on, but one thing keeps evading me....
On my DSL Router at home, I have one external IP, and have many machines that connect to the internet through said router. They all appear to be coming from ONE ip address. On this Cisco 2620, it appears I've assigned a pool of IP's to be used, and as such, only 5 machines can connect outbound at once....
It only makes sense that I could configure this to allow all my internal machines connections, but I can't figure out what i'm doing wrong, please help! :D
The other thing that confuses me, is the Serial interface has an IP thats accessable to the world (As I'd expect) however the F0/0 interface does as well, but it's on a different class (Classes are a bit fuzzy, but where the serial is 22.214.171.124 the f0/0 is 126.96.36.199)...
The config is as follows:
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
no logging console
enable password [Censored]
ip address 10.241.82.251 255.255.255.0 secondary
ip address XIP.XIP.XIP.XIP 255.255.255.248
ip nat inside
ip address XIP.XIP.XIP.XIP 255.255.255.252
ip nat outside
ip nat outside
ip nat pool foo XIP.XIP.XIP.113 XIP.XIP.XIP.118 netmask 255.255.255.0
ip nat inside source list 1 pool foo
ip route 0.0.0.0 0.0.0.0 Serial0/0
ip route 0.0.0.0 255.255.255.0 Serial0/0.1
ip http server
ip pim bidir-enable
line con 0
line aux 0
line vty 0 4
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