Views: 84 This updated IPv6 Subnetting Cheat Sheet is designed as a quick-reference guide for students, technic ians, instructors, and network engineers who need to work with IPv6 prefix lengths without stopping to recalculate everything from scratch. It brings together the most useful subnetting relationships in one place, including common /48, /56, /60, and /64
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Views: 86 This EIGRP Cheat Sheet is designed as a quick-reference guide for students, technicians, and network engineers who need a concise way to review how Enhanced Interior Gateway Routing Protocol works. It brings the most important EIGRP concepts onto a single page, including packet types, DUAL route states, successors and feasible successors, Feasible Distance
Views: 80This RIP Cheat Sheet is designed as a quick-reference guide for students, technicians, and network professionals who need a concise reminder of how the Routing Information Protocol works. It summarizes the most important RIP concepts on a single page, including hop-count metrics, RIPv1 versus RIPv2, request and response messages, route timers, loop-prevention techniques, multicast
Views: 147This BGP Cheat Sheet is designed as a fast, practical reference for network engineers, technicians, students, and anyone working with Border Gateway Protocol. It brings the most commonly needed BGP information onto a single page, including message types, the BGP finite state machine, important path attributes, best-path selection basics, common timers, eBGP versus iBGP
Views: 145Wow – so many errored cheat sheets out there!! This OSPF Cheat Sheet is designed as a quick-reference guide for network engineers, technicians, students, and anyone learning or troubleshooting Open Shortest Path First. It brings the most commonly needed OSPF information onto a single page, including packet types, neighbor states, important LSA types, DR/BDR
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Views: 2,678This updated MGCP Cheat Sheet is designed as a practical reference for anyone working with Media Gateway Control Protocol in VoIP environments. The original version focused heavily on the core MGCP command verbs and response codes, including commands such as CRCX, MDCX, DLCX, RQNT, NTFY, AUEP, AUCX, and RSIP, along with the major 1xx,
Views: 3,086This updated SIP Response Messages Cheat Sheet is designed as a quick-reference guide for anyone analyzing SIP call flows, troubleshooting VoIP signaling, or studying how SIP transactions succeed or fail. The original sheet organized the major SIP response classes from 1xx Provisional through 6xx Global Failure, with common codes such as 100 Trying, 180
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Views: 4,007This updated IPv6 OS Command Cheat Sheet is designed as a practical troubleshooting reference for anyone who works with IPv6 across multiple operating systems and network platforms. It brings the most useful commands for Windows, Linux, macOS, FreeBSD, Cisco IOS/IOS XE, and Junos into a single quick-reference sheet so you do not have to
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Views: 5,046This updated SIP Display Filter Cheat Sheet is designed as a practical reference for anyone troubleshooting SIP signaling, VoIP call setup, registration, authentication, media negotiation, or call-quality problems in Wireshark. The original version was primarily a long alphabetical catalog of SIP fields such as sip.Call-ID, Contact, From/To, Route, Via, authentication fields, and many others.
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Views: 7,111This updated IPv4 Cheat Sheet is designed as a practical one-page reference for students, technicians, instructors, and network professionals who work with IPv4 addressing, subnetting, routing, troubleshooting, or packet analysis. It brings together the core information people most often need, including CIDR and VLSM, private and special-purpose address ranges, IPv4 header fields, protocol numbers,
Views: 6,925This updated IPv6 Cheat Sheet is designed as a practical, first-level reference for students, technicians, network engineers, and anyone working with IPv6. It brings together the core information you are most likely to need during study, configuration, troubleshooting, or packet analysis, including IPv6 address types, text notation, special-use prefixes, base-header fields, common Next Header
Views: 7,200This updated ICMP Cheat Sheet is designed as a practical troubleshooting and packet-analysis reference for anyone working with IPv4, IPv6, routing, broadband, Wi-Fi, VoIP, or general network diagnostics. The source sheet already covered the core ICMP roles—error reporting, reachability testing, traceroute, Path MTU Discovery, and IPv6 Neighbor Discovery. ICMP Cheat Sheet The updated version
Views: 2,531This updated Numbering Cheat Sheet is designed as a practical reference for anyone working with networking, computing, storage, data rates, or IPv4/IPv6 addressing. It brings together the powers of two that appear constantly in technical work, important networking bit boundaries, decimal SI prefixes, binary IEC prefixes, and common large-number names in one place. The
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Views: 3,345This Vim Cheat Sheet is designed as a practical one-page reference for anyone who uses Vim regularly or is still getting comfortable with its command-driven workflow. It brings together the commands people reach for most often, including movement, insert and change operations, deleting, yanking and putting text, search and replace, Visual mode, undo and
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Views: 3,042This updated Wireshark for Data Center Cheat Sheet is designed as a practical packet-analysis reference for engineers, technicians, instructors, and support teams working with modern data-center traffic. The original sheet was heavily focused on long field lists for Fibre Channel, FCoE, SCSI, and iSCSI. For example, it cataloged detailed Fibre Channel fields such as
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