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© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 1 Version 4.1 ISP Help Desk Working at a Small-to-Medium Business or ISP – Chapter 2
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2 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Objectives Describe the various roles of help desk and installation technicians. Describe the seven layers of the OSI model and how the OSI model is used in troubleshooting network issues. Identify common tools and diagnostic procedures of help desk technicians. Describe onsite procedures to resolve issues.
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3 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public ISP Help Desk Organization Level 1: provide immediate support Level 2: handle escalated calls Level 3: on-site visits
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4 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Roles of ISP Technicians Managed Service Providers Support for SLAs
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5 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Roles of ISP Technicians Level 3 onsite support
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6 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Interacting with Customers Incident Management Interpersonal Skills
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7 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Using the OSI Model Use the layers of the OSI model as a guide for sequencing troubleshooting diagnostics.
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8 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public OSI Model Protocols and Technologies Upper layers create the data Layer 4 packages the data Layer 3 adds IP information Layer 2 adds data link layer header and trailer Layer 1 converts data to bits
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9 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Troubleshooting the OSI Model Using layers to define, isolate and resolve problems.
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10 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Help Desk Troubleshooting Scenarios Email issues Host configuration issues Customer connectivity Issues
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11 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Creating and Using Help Desk Records Information gathering and recording Transferring information to a trouble ticket Escalating when necessary Documenting the resolution
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12 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Customer Site Procedures Provide proper identification. Review work order with the customer. Communicate current status of identified problems. Obtain permission to begin work.
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13 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Customer Site Procedures Use of ladders Working in dangerous locations Working around electricity Awkward spaces Heavy equipment
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14 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Summary Help Desk technicians provide solutions to customer network problems. Help desk operation relies on good customer communications skills, organization, and a layered approach to problem solving. The OSI Model is the basis for effective troubleshooting. Documentation is crucial in effective troubleshooting.
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15 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public
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