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  2. Internet Control Message Protocol - Wikipedia

    en.wikipedia.org/wiki/Internet_Control_Message...

    The Internet Control Message Protocol (ICMP) is a supporting protocol [2] ... ICMP is part of the Internet protocol suite as defined in RFC 792.

  3. ICMPv6 - Wikipedia

    en.wikipedia.org/wiki/ICMPv6

    ICMPv6 provides a minimal level of message integrity verification by the inclusion of a 16-bit checksum in its header. The checksum is calculated starting with a pseudo-header of IPv6 header fields according to the IPv6 standard, [6] which consists of the source and destination addresses, the packet length and the next header field, the latter of which is set to the value 58.

  4. List of IP protocol numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_IP_protocol_numbers

    ICMP Internet Control Message Protocol: RFC 792: 0x02 2 IGMP Internet Group Management Protocol: RFC 1112: 0x03 3 GGP Gateway-to-Gateway Protocol: RFC 823: 0x04 4 IP-in-IP IP in IP (encapsulation) RFC 2003: 0x05 5 ST Internet Stream Protocol: RFC 1190, RFC 1819: 0x06 6 TCP Transmission Control Protocol: RFC 793: 0x07 7 CBT Core-based trees: RFC ...

  5. ping (networking utility) - Wikipedia

    en.wikipedia.org/wiki/Ping_(networking_utility)

    Ping operates by means of Internet Control Message Protocol (ICMP) packets. Pinging involves sending an ICMP echo request to the target host and waiting for an ICMP echo reply. The program reports errors, packet loss , and a statistical summary of the results, typically including the minimum, maximum, the mean round-trip times, and standard ...

  6. ICMP Router Discovery Protocol - Wikipedia

    en.wikipedia.org/wiki/ICMP_Router_Discovery_Protocol

    The ICMP Router Advertisement message is sent by a router on the local area network to announce its IP address as available for routing. When a host boots up, it sends solicitation messages to IP multicast address 224.0.0.2. [4] In response, one or more routers may send advertisement messages. If there is more than one router, the host usually ...

  7. ICMP tunnel - Wikipedia

    en.wikipedia.org/wiki/ICMP_tunnel

    RFC 792, Internet Control Message Protocol; itun Simple IP over ICMP tunnel; Hans ICMP tunnel for Linux (server and client) and BSD MacOSX (client only) ICMP-Shell a telnet-like protocol using only ICMP; PingTunnel Tunnel TCP over ICMP; ICMP Crafting by Stuart Thomas; Using the ICMP tunneling tool Ping Tunnel; Project Loki Article on ping ...

  8. Troubleshoot a broadband internet connection - AOL Help

    help.aol.com/articles/troubleshooting-a...

    If you're using broadband (cable) internet and you can't connect, try the following troubleshooting steps in the order listed until you get up and running again. 1. Check if you can visit other sites with a different browser - If you can go to another site, the problem may be associated the browser you're using.

  9. List of network protocols (OSI model) - Wikipedia

    en.wikipedia.org/wiki/List_of_network_protocols...

    SCCP Signalling Connection Control Part; AppleTalk DDP; HSRP Hot Standby Router protocol; VRRP Virtual Router Redundancy Protocol; IP Internet Protocol; ICMP Internet Control Message Protocol; ARP Address Resolution Protocol; RIP Routing Information Protocol (v1 and v2) OSPF Open Shortest Path First (v1 and v2) IPSEC IPsec