O'Reilly logo

IS-IS Network Design Solutions by Scott Sturgess, Abe Martey

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Point-to-Point Serial-Link Configuration

The IS-IS configuration for point-to-point links is the most commonly used in real networks, for point-to-point serial interfaces, as well as to NBMA point-to-point subinterfaces. The point-to-point configuration lends itself to various advantages because it provides congruency to the underlying physical topology. Figures 9-1 and 9-2 depict a simple point-to-point setup of two routers (RT1 and RT2) connected directly by a serial link. The routers are in the same IS-IS area in Figure 9-1 but in different areas in Figure 9-2.

Figure 9-1. IS-IS point-to-point configuration (routers in same area).

Figure 9-2. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required