EARTH WEEK
Now through April 22, save up to 70% on digital learning resources. Learn more.
Register your product to gain access to bonus material or receive a coupon.
Accessible from your Account page after purchase. Requires the free QuickTime Player software.
Videos can be viewed on: Windows 8, Windows XP, Vista, 7, and all versions of Macintosh OS X including the iPad, and other platforms that support the industry standard h.264 video codec.
Lesson 18: Using Private AS Numbers
Private AS numbers are the AS equivalent of RFC 1918 private IP addresses, and are used in much the same way: To enable large but manageable BGP topologies within a single administrative domain. The configuration of a private AS is demonstrated, as is the configuration of a simple policy for removing private AS numbers at an administrative boundary.