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For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests

are those in which your production network is down or severely degraded.) Cisco TAC engineers are assigned immediately to

S1 and S2 service requests to help keep your business operations running smoothly.

To open a service request by telephone, use one of the following numbers:

Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227)

EMEA: +32 2 704 55 55

USA: 1 800 553-2447

For a complete list of Cisco TAC contacts, go to this URL:

http://www.cisco.com/techsupport/contacts

Definitions of Service Request Severity

To ensure that all service requests are reported in a standard format, Cisco has established severity definitions.

Severity 1 (S1)—Your network is "down," or there is a critical impact to your business operations. You and Cisco will commit

all necessary resources around the clock to resolve the situation.

Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your business operation are

negatively affected by inadequate performance of Cisco products. You and Cisco will commit full-time resources during normal

business hours to resolve the situation.

Severity 3 (S3)—Operational performance of your network is impaired, but most business operations remain functional. You

and Cisco will commit resources during normal business hours to restore service to satisfactory levels.

Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is

little or no effect on your business operations.

Obtaining Additional Publications and Information

Information about Cisco products, technologies, and network solutions is available from various online and printed sources.

• Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise. Visit Cisco Marketplace, the

company store, at this URL:

http://www.cisco.com/go/marketplace/

• Cisco Press publishes a wide range of general networking, training and certification titles. Both new and experienced users

will benefit from these publications. For current Cisco Press titles and other information, go to Cisco Press at this URL:

http://www.ciscopress.com

• Packet magazine is the Cisco Systems technical user magazine for maximizing Internet and networking investments. Each

quarter, Packet delivers coverage of the latest industry trends, technology breakthroughs, and Cisco products and solutions,

as well as network deployment and troubleshooting tips, configuration examples, customer case studies, certification and

training information, and links to scores of in-depth online resources. You can access Packet magazine at this URL:

http://www.cisco.com/packet

• iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies learn how they can use

technology to increase revenue, streamline their business, and expand services. The publication identifies the challenges

facing these companies and the technologies to help solve them, using real-world case studies and business strategies to help

readers make sound technology investment decisions. You can access iQ Magazine at this URL:

http://www.cisco.com/go/iqmagazine

• Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professionals involved in

designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal

at this URL:

http://www.cisco.com/ipj

• World-class networking training is available from Cisco. You can view current offerings at this URL:

http://www.cisco.com/en/US/learning/index.html