Cisco Systems 11500 Series manual CSS 11503 and CSS 11506 Module Overview

Chapter 2 Cabling and Troubleshooting the CSS

Cabling the CSS 11503 and CSS 11506 Modules

CSS 11503 and CSS 11506 Module Overview

The CSS 11503 and CSS 11506 are compact modular platforms, delivering transport and application (layers 4-7) services for Internet and Intranet data centers. A CSS is a fully-distributed architecture with all modules in the system contributing to the overall processing and memory needs for flow set up. Performance increases incrementally as you add modules, and the modules balance the overall traffic load.

•The Cisco 11506 is a five-rack unit, supporting six-slots, with 40-Gbps aggregate throughput. The CSS 11506 requires at least one Switch Control Module (SCM) and may be configured with a second SCM in standby mode for redundancy. With the required SCM in one slot, the CSS 11506 has five additional slots supporting any combination of I/O modules.

•The Cisco 11503 is a two-rack-unit, supporting three-slots, with 20-Gbps aggregate throughput. The CSS 11503 requires an SCM and accommodates any two of the other modules.

Though all modules except for the SSL module participate in flow setup, they differ primarily in control functions, performance, and I/O. Each CSS 11500 module consists of one high-speed MIPS RISC processor for flow-setup, one network processor for flow forwarding, one policy co-processor for search operations and a maximum of 288 MB of RDRAM (up to 256 MB of usable memory).

The CSS 11506 not only supports redundancy in SCMs but also supports redundant power supplies and redundant Switch Modules (20 Gbps each). A CSS 11506 can contain a maximum of three power supplies, but it requires two functioning power supplies to guarantee service.

The CSS modules are as follows:

•288 MB (256 MB of usable memory) Switch Control Module (SCM) with:

–Two 1000-Mbps Ethernet (1000BASE-SX or LX) small-form factor pluggable gigabit interface converters (SFP GBICs) with LC-type connectors.

–Two PCMCIA slots for a hard or flash disk drive for the system software, and logging and off-line system files.

–RJ-45 RS-232 Console port

–1 RJ-45 10-Mbps half-duplex Ethernet management connector.

	Cisco 11500 Series Content Services Switch Hardware Installation Guide
78-13884-06		2-7