INTELLIGENT HARDWARE-ASSISTED ICMP REQUEST PROCESSING
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United States of America Patent
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May 26, 2017
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May 27, 2016
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Abstract
Techniques for implementing intelligent hardware assisted ICMP request processing in a network device are provided. According to one embodiment, the network device can receive an ICMP request packet and write the packet to a protocol buffer configured to queue packets for processing by a management CPU. When the ICMP request packet is ready to be processed by the management CPU, a hardware-based ICMP request handler of the network device can determine whether the ICMP request packet matches any entries in an ICMP table. If the ICMP request packet does match an entry in the ICMP table, the ICMP request handler can generate an ICMP response packet for replying to the ICMP request packet, without sending the ICMP request packet to the management CPU.
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