This is post 11 of 11 in the series “[ Network+ ]” Routing Protocols Internal Protocols RIP (v1) Max hop count of 15 Routing table updates every 30 seconds, and the WHOLE TABLE No VLSM (CIDR) No authenticiation RIP v2 Yes VLSM Authentication added IGRP (Cisco proprietary) OSPF Noisy boot HELO packets then LSAs to …
Routing and Firewalls
This is post 10 of 11 in the series “[ Network+ ]” This has always been a tough area, and it’s getting tougher. route Displays the route table. Compare: netstat -r If you have two NICs (i.e. you are a multihomed host) you can enable IP forwarding (which is to say, routing). Take a look …
Network+ : WiFi
This is post 9 of 11 in the series “[ Network+ ]” “An Overview of Wireless Protected Access 2 (WPA2)”: https://www.lifewire.com/what-is-wpa2-818352
Network+ : Servers and Support
This is post 8 of 11 in the series “[ Network+ ]” Day 7: Servers and Support; Test Preparation Server Issues Redundancies RAID Levels Backup Techniques Diagnostics On the CD: Dr. TCP TCPView Freeproxy On the Internet: About MTU http://searchnetworking.techtarget.com/sDefinition/0,,sid7_gci213605,00.html http://www.tech-faq.com/mtu.shtml http://openvpn.net/archive/openvpn-devel/2002-07/msg00009.html http://www.dslreports.com/forum/remark,17719662?hilite= What is my external IP? WhatIsMyIP.com How fast is my Internet connection? …
Network+ : Remote, Secure and Cross-Platform Networking
This is post 7 of 11 in the series “[ Network+ ]” Day 6: Remote, Secure and Cross-Platform Networking Remote Connection WAN Connections Remote Access Network Security The Threat Matrix Securing Networks Cross-Platform Connectivity Network Protocols and Adapters
Network+ : IPv6
This is post 6 of 11 in the series “[ Network+ ]” IPv6 Basics and Address Notation Link Local Addresses -The second half of a full IPv6 address (64 bits) -Link local addresses start with fe80. -Full 128-bit IPv6 addresses are 128 bits long -The first half is the Network Number, given by the nearest …
Network+ : Network Naming and Sharing Resources
This is post 5 of 11 in the series “[ Network+ ]” Day 5: Network Naming and Sharing Resources Sharing Resources Naming: UNC and URL Permissions: Share-level and Domain Accessing Shares “Big” TCP/IP DNS IPCONFIG /DISPLAYDNS (or /FLUSHDNS) NSLOOKUP and dig http://www.zoneedit.com/doc/nslookup.html (https://web.archive.org/web/20140215072451/https://www.zoneedit.com/doc/nslookup.html) http://www.windowsnetworking.com/articles_tutorials/Using-NSLOOKUP-DNS-Server-diagnosis.html (https://web.archive.org/web/20160303092906/http://www.windowsnetworking.com/articles-tutorials/trouble/Using-NSLOOKUP-DNS-Server-diagnosis.html) http://www.activexperts.com/support/activmonitor/nslookup DHCP Routing and Routing Tables Local Sharing APIPA WINS …
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Network+ : TCP/IP and Network Operations
This is post 4 of 11 in the series “[ Network+ ]” Day 4: TCP/IP and Network Operations Local Networking Configuring NICs NetBIOS IPX/SPX WINS MAC Resolution MAC uses FRAMES (with MAC headers) Broadcast: FFFFFFFFFFFF (12 Fs) How do you tell if it’s local or remote? arp -a arp -d * Out-of-subnet Networking: IP TCP/IP …
Network+ : Networking Variants, Physical Installation
This is post 3 of 11 in the series “[ Network+ ]” Day 3: Networking Variants, Physical Installation Ports https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml “Exotic” or Large-Scale Network Protocols FDDI and CDDI ATM Frame Relay MPLS – https://duckduckgo.com/?q=mpls&t=ffab&iax=images&ia=images Metro Ethernet Installation Structured Cabling Fire Ratings Equipment Rooms Equipment Racks: 19″, “U” units Patch Panels Patch Cables EIA/TIA 606 Floor …
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Network+ : From Physical Topologies to Protocols and Domains
This is post 2 of 11 in the series “[ Network+ ]” Day 2: Physical Topologies, Protocols and Directories Network Topology Bus Ring Star Physical vs. Logical Cable Coaxial RG-6 – Cable service, analog service, security cameras RG-8 – 10Base5 RG-62 – TV RG-58 – 10Base2 RG-59 – Cable service : Siamese cable: coax bonded …
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