Learn how to configure dynamic network address translation on a Cisco device for your inside hosts to allow them to gain access to the Internet, but to also overload them by using the Port Address Translation (PAT) keyword. By creating a pool of inside global addresses and then allowing the inside addresses to use the pool in order to get an inside global access, the inside hosts will now be able to access the Internet by using only one global IP address.
- [Instructor] So since we have a fundamental…understanding of PAT now NAT overload,…let's go out and have some fun, configure NAT overload.…Now this is something that you're going to do…on a corp at your home or work,…something real a lot of fun.…The first thing we want to do,…there's just a couple of different ways to do this.…Of course we can create a pool.…That's an easy way to do it but the best way…to do it and for the objectives is to create…an even easier way where I'm going to use…my interface, alright so check this out,…so you want to say ip nat, inside source…can use list 1 which I haven't created yet…and use my interface, s0/0/1, that's my outside interface…that has a global IP address, I could press enter here.…
But wait, I want to overload it.…Now I probably should create the list too…so access list, two more cans, access list 1…permit 10.1.1.0.0.0.0.255 and then just one more line…and I'm done and I can have over 60,000 users…get out with one IP address.…And I want to make sure that my interfaces are marked…
For more information on the CCENT exam, visit Cisco's website.
- Overview of internetworking
- The TCP/IP networking model
- Easy subnetting
- Managing Cisco IOS
- Managing Cisco networks and devices
- IP routing
- Layer 2 switching
- VLANs and InterVLAN routing
- Network address translation
Skill Level Intermediate
Internetworking devices4m 20s
3. Introduction to TCP/IP
4. Easy Subnetting
5. VLSM, Summarization, and Troubleshooting TCP/IP
6. Cisco Internetworking Operating System (IOS)
7. Managing a Cisco Internetwork
8. IP Routing
9. Layer 2 Switching
10. VLANs and InterVLAN Routing (IVR)
12. Network Address Translation (NAT)
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