O'Reilly logo

Inside Cisco IOS Software Architecture (CCIE Professional Development) by Russ CCIE #2635 White, Curtis CCIE #1521 Murphy, Vijay CCIE #1606 Bollapragada

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

VIP Architecture

Cisco introduced the Versatile Interface Processor (VIP) to provide a scalable distributed architecture on top of an already proven platform. The VIP is based on a single motherboard and multiple port adapters that can have mixed media types (hence the name versatile).

VIP Components

VIPs are essentially routers mounted on Cisco 7500 interface processor cards. Each VIP has its own processor, packet memory, and main memory, and each runs its own copy of IOS. Figure 6-7 shows a high level architecture of the VIP.

Figure 6-7. VIP Architecture

CyBus Interface

The VIP is a fully CyBus-capable interface processor, meaning it ...

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