Cisco 1721, T1, and PAT
Posted on 2004-03-24
I have a new Cisco 1721 router, a freshly hot T1 line, and about 40 workstations.
At this time the internal network is getting IP addresses from our server that is running DHCP, and assigning addresses in the range of 192.168.2.10 - 192.168.2.100
My new ISP has given me the following information
Clock Source: Internal
Channel rate: 64K
Line coding: B8zs
Ip Address 220.127.116.11
default gateway: 18.104.22.168
Subnet mask: 255.255.255.252
IP Address: 22.214.171.124
Subnet mask: 255.255.255.248
Usable addresses : 126.96.36.199 to .197 with a subnebt mask of 255.255.255.248
Using this information, I really need to know the configuration for using this Cisco router.
If I am correct I will have to use PAT because I have so few IP addresses available, and would like to reserve one of them in case I have to set up a SMTP server later.
Please Help !