Module 6:
IPV4 addresses are 32 bits long.
network portion, Host portion.
address represented as dotted decimal 4 octets separated by dots.
network portion and host portion separated using netmask.

Explain binary to decimal to binary conversion and work examples.

explain network address, address of network with all bits in host portion set to zero.
link directed broadcast all bits in host portion set to 1.
hosts in between these numbers are hosts on network.

subnet mask and prefix length.
number of hosts on network is 2^h-2 where H is number of host bits.

show how to find address range.
unicast, broadcast and multicast.
special multicast block from 224.0.0.0 to 239.255.255.255

discuss reserved addresses.
discuss loopback address.

The address block 192.0.2.0 to 192.0.2.255 (192.0.2.0 /24) is set aside for teaching and learning purposes. These addresses can be used in documentation 

classfull routing.

Discuss rars and address allocation.

Teer 1 isps top of tree connect to internet backbone.
teer2 provide business services web dns voip etc. connect to teer1.

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Discuss address ranges.
Plan and document assignment of ip addresses.
This insures no duplication and can allow monitoring and security of hosts etc.
Which devices should have private addresses?
Should hosts be static or dynamically allocated?
If done need to enter ip address, subnet mask, gateway and possibly other information such as dns servers.
Important to keep list of static address allocations.
Dhcp and discuss pool of addresses.

access to servers static internal addresses and port forwards.
discuss subnet mask and anding.
basic subnetting.

test network layer.
Ping and traceroute.

icmp v4.
Time exceeded, echo request, source quench and host/network unreachable