Assign IP Using DOS

1. Search for CMD the right click and run as an admin.2. On the command prompt c:>, type netsh interface show interface to verify local area network connection.3. On the command prompt c:>, type netsh interface ip set address “local area network” 192.168.x.x 255.255.255.0 to assign static ip address.4. On the command prompt c:>, type…

Network Lines

1. DS0 (Digital Signal Level Zero) – 64 bit per second channel.2. DS1=24 DS03. DS3=28DS1 Channels=28 T1 Lines (45 Mbps)4. T1 (T-Carrier System 1) – is a DS1 connected to a copper wire circuit. It carry 23/24 channels in the two pairs of copper lines, common in the US (1.544 Mbps)5. T3 – is a…

RJ45 Wiring

Ethernet (T568B): 1236 (unused: 4578 utilized by RJ45 splitter or Power-Over-Ethernet on 10/100 Mode B)Cross-over (T568B) 12345678>36178245ISDN(PRI): 12345T1/E1: 1245POE: Wires 12 or 45 for DC+ and 36 or 78 for DC-. Additionally, 1236 for Mode A and 4578 for Mode B T568B Color Code:1 – Orange/White2 – Orange3 – Green/White4 – Blue5 – Blue/White6 –…

Network Performance

First step, 1. Run CMD as administrator 2. At the command prompt, type “netsh interface tcp show global”.  See if “Receive Window Auto-tuning Level: Normal 3. At the command prompt, type “netsh interface tcp set global autotuning=disabled 4. Receive Window Auto-tuning Level: Disabled Second step, 1. Disable IPv6 by going to network adapter properties and…

Network Commands

Network windows commands: 1. Pathping [hostname or IP] – combines tracert and ping command with addition of a network latency and packet loss analysis 2. Netstat -an [IP] – list network connections and ports 3. Nslookup [hostname] – find IP address associate with a domain 4. sfc /scannow – scan system files for problems 5.…