RFC 1349

TCP/IP Protocols Overview  |  IP  |  ARP  |  ICMP  |  

Destination Unreachable and the IP Type of Service

This lengthy document describes, in great detail, the expected behavior when the values specified in the IP Type Of Service field cause a router to discard the frame (because some particular type of service was not available, but was required.) Use your browser BACK button to return to this page when you are done with the document. You should be able to begin reading the downloaded document in about 10 seconds although the entire document will require about 40 seconds to download.

Read RFC 1349

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