About This Guide
Obtaining Technical Assistance
Cisco TAC inquiries are categorized according to the urgency of the issue:
•Priority level 4 (P4) product capabilities,
—You need information or assistance concerning Cisco product installation, or basic product configuration.
•Priority level 3 (P3) — Your network performance is degraded. Network functionality is noticeably impaired, but most business operations continue.
•Priority level 2 (P2) — Your production network is severely degraded, affecting significant aspects of business operations. No workaround is available.
•Priority level 1 (P1) — Your production network is down, and a critical impact to business operations will occur if service is not restored quickly. No workaround is available.
The Cisco TAC resource that you choose is based on the priority of the problem and the conditions of service contracts, when applicable.
Cisco TAC Web Site
You can use the Cisco TAC Web Site to resolve P3 and P4 issues yourself, saving both cost and time. The site provides
http://www.cisco.com/tac
All customers, partners, and resellers who have a valid Cisco service contract have complete access to the technical support resources on the Cisco TAC Web Site. The Cisco TAC Web Site requires a Cisco.com login ID and password. If you have a valid service contract but do not have a login ID or password, go to this URL to register:
http://www.cisco.com/register/
If you are a Cisco.com registered user, and you cannot resolve your technical issues by using the Cisco TAC Web Site, you can open a case online by using the TAC Case Open tool at this URL:
http://www.cisco.com/tac/caseopen
If you have Internet access, we recommend that you open P3 and P4 cases through the Cisco TAC Web Site.
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