HD118 Network

1
HD118 Network

• Day 15

2
A Simple Project Plan

• Goal / Required Optional Objectives
• Schedule / Timeline
• Resources
• Scope - Task List (HowTo with picture)
• Best Practices

3
What do you need building a SOHO

• Topology, Infrastructure, Inventory
• Design
• Implementation
• Install
• Configure
• Test / Baseline
• Customize
• Test / Signoff

4
To be Demoed Lab 3

• 5 points
• Diagram your test LAN, record MAC addresses
• Install DHCP Server on 172.20.123.0/24
• Reserve IP addresses for all workstations
• Install WINS
• Install Network Monitor
• Install Ethereal Sniffer / WinPcap
• Capture ARP sequence

5
To be Demoed Lab 4

• 5 points
• Finalize your diagram
• Finalize your inventory (MAC, IP, Type)
• List your installation steps in a single column
  in Excel
• Estimate the time for each step in terms of hours
  (e.g., 0.25, 0.5, 0.75 hours)

6
Labs done

• 5pts Lab 1 Howto connect two nodes with
  minimal configuration
• 3pts Lab 2 (Just EXHIBIT) TRACERT
• Requires installation of two LAN segments and IP
  Forwarding

7
To be Continued
8
Resolving a Local IP Address
ping 131.107.7.29
3
1
ARP Cache
ARP Cache
131.107.7.7 08004. . . 131.107.7.28 08004. . .
131.107.7.7 08004. . .
2
ARP Broadcast
Hardware Address 08007. . .
4
IP Address 131.107.7.28 Hardware Address
08004. . .
IP Address 131.107.7.29 Hardware Address
08007. . .
9
Resolving a Remote IP Address
ping 131.107.7.29
4
ARP Cache
1
131.107.7.7 08009. . . 131.107.7.1 08006. . .
ARP Cache
131.107.3.7 08004. . .
ARP Cache
131.107.3.1 08005...
131.107.7.1 08006...
3
ARP Broadcast for Router A
2
5
ARP for Router B
IP Address 131.107.3.24 Hardware Address
08004. . .
IP Address 131.107.7.29 Hardware Address
08009. . .
10
The HOSTS File
This file is used by Microsoft TCP/IP utilities

127.0.0.1 localhost loopback

102.54.94.97 rhino.microsoft.com
131.107.2.100 unixhost UNIXHOST LAN Manager
UNIX Host
131.107.3.1 gateway GATEWAY Default Gateway
11
Resolving Names with a HOSTS File
ping HostB
Router
HostB 131.107.7.29
2
1
IP Address Resolved
Name Resolution
Hostname HostA IP Address 131.107.3.24
Hostname HostB IP Address 131.107.7.29
12
What Is NetBIOS?
Application
Application
NetBIOS Applications
NetBIOS Applications
NetBIOS Interface
NetBIOS NetBIOS over TCP/IP
NetBIOS NetBIOS over TCP/IP
TDI
TDI
Internet
Internet
Network
Network
13
Resolving Local NetBIOS Names
net use x \\munchen2\public
1
Broadcast for Munchen2
3
2
Munchen2 131.107.3.27
NetBIOS Name Munchen1 IP Address 131.107.3.24
NetBIOS Name Munchen2 IP Address 131.107.3.27
14
Resolving NetBIOS Names
net use x \\france\public
NetBIOS Name Server
1
3
2
NetBIOS Name Malaysia IP Address 125.112.54.29
NetBIOS Name France IP Address 131.107.7.29