pertemuan 17 overview of tcp/ip error message
DESCRIPTION
Pertemuan 17 Overview of TCP/IP Error Message. Discussion Topics. IGRP features IGRP metrics IGRP routes IGRP stability features Configuring IGRP Migrating RIP to IGRP Verifying IGRP configuration Troubleshooting IGRP. Internet Control Message Protocol (ICMP). - PowerPoint PPT PresentationTRANSCRIPT
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Pertemuan 17Overview of TCP/IP Error Message
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Discussion Topics
• IGRP features• IGRP metrics• IGRP routes• IGRP stability features• Configuring IGRP• Migrating RIP to IGRP• Verifying IGRP configuration• Troubleshooting IGRP
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Internet Control Message Protocol (ICMP)
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Error Reporting and Error Correction
• ICMP is an error-reporting protocol for IP.
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ICMP Message Delivery
• ICMP messages are encapsulated as data in datagrams in the same way any other data is delivered using IP.
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Unreachable Networks
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Ping
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Detecting Excessively Long Routes
• Whether the actual path includes too many hops or a circular routing path exists, the packet will eventually reach the end of its life, known as its time-to-live (TTL).
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ICMP Message Types
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Destination Unreachable Message
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Code Values for Destination Unreachable Messages
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TCP/IP Suite Control Messages
• Control messages are used to inform hosts of conditions such as network congestion or the existence of a better gateway to a remote network.