20170614PKLHPPT47445
IPv6
Work started in 90s IETF.
16 byte address
Hexa decimal (0-9 A=10, B=11 , C=12, D=13 ,E=14 ,F=15)
20A9:05C8:0D09:A10F:0000:0000:0000:0789 (total 128 bits, 2 digit is equal to 1 byte, 2 bytes are colon
separated)
20A9:05C8:0D09:A10F:0:0:0:789 (another form same IPv6)
20A9:05C8:0D09:A10F::789 (another form same IPv6)
309B:5C8:D09:BB2:0:0:0:71/64
Net ID host
3080:BA40:45::DF::DE(Wrong IPv6 add)
IPv6 dont broadcast
ipV6 mostly multicast
Multicast IP mostly start with FF:02:
Class D used for multicasting IP Range: 224-239
224.0.0.1
Unicast (1 to 1)
Multicast IP is configured in software
Broadcast
Source Mac: A1:b3:05:08:05
Destination Mac: FF:FF:FF:FF:FF:FF
PC Name, Mac Address, IP (1st time coummnication)
192.168.0.254/30
Range: (2^2 ) = 4
252__ 255
Net id__ broadcast id
Mask 255.255.255.255-range(4) = 255.255.255.252
192.168.0.253, 254,
192.168.0.30/30
Range: (2^2) = 4
04
48
8 12
12 16
16 20
20 24
24 28
28 (29,30,) 31
00000
192.168.0.0/27
Range: 2^5 = 32
0 (1,2,3,4,5,6,7,8,9,10,11,12,13,14.,30) 31
Subnet mask = last octet range = 256 32 = 224
Fa0/0 10 hosts
Fa0/1- 5 hosts
Valid subnets 4,8,16,32,64,128,256
2^4 = 16
First Subnet for fa0/0
192.168.0.0/28 (subnet for 10 hosts)
Start iP: 192.168.0.0(Net ID)
Last IP: 192.168.0.15(Broadcast ID)
Usable IPs 192.168.0.1 192.168.0.14
Subnet mask 255.255.255.240
1 1 1 1 0 000
128 64 32 16 8 4 2 0
Subnet Mask is calculated by adding ON bits (128+64+32+16 = 240)
Host or Range is calculated by adding OFF bits (8 +4+ 2+0 = 16)
Second Subnet
192.168.0.16/28
192.168.0.16 192.168.0.31
255.255.255.240
Making 2 subnets from 192.168.0.16/28 8 range in each subnets
2^3=8
First Subnet (for fa0/1)
192.168.0.16/29 (this 29 is taken by subtracting power of 2 from 32)
192.168.0.16 192.168.0.23
Usable IP: 192.168.0.17 -192.168.0.22
255.255.255.248
Second Subnet
192.168.0.24/29
First Subnet
Range 2^2=4
192.168.0.24/30
192.168.0.24 192.168.0.27
Subnet mask 255.255.255.252
2nd Subnet
Main Network 192.168.0.24/29
192.168.0.28/30
192.168.0.28 192.168.0.31
Subnet mask 255.255.255.252
Make 1 subnet that have 4 range (2nd Subnet)
Make 2 subnets that have 2 range in each..
192.168.0.45/30 (make 2 subnet of it)
Range 2^2=4
[0 3, 4 7, .. 40 43, 44 47]
192.168.0.44 192.168.0.47
Subnet Mask 255.255.255.252
192.168.0.45/28
Range 2^4=16
[0 15, 16 31, 32 48]
192.168.0.32 192.168.0.47
Subnet mask: 255.255.255.240
192.168.0.45/30 (make 2 subnet of it)
Range 2^2 = 4
[0,2,4,8,16,32]
192.168.0.44 192.168.0.47
1st subnet
[0 1, 2 3, 44 45]
Range 2^1 = 2
192.168.0.45/31
192.168.0.44 192.168.0.45
Subnet mask 255.255.255.254
2nd subnet
192.168.0.46/31
192.168.0.46 192.168.0.47
Subnet mask 255.255.255.254
14th May:
#Do show ip int br
#show mac address-table
#show ip route
#no switchport (in order to assign IP to switch port, normaly switch port doesnt have any IP)
#show vlan (by default vlan 1 is already created and all the ports of switch are included in this vlan)
R1#sh ip int br | ex una
Sh ip route connected
Sh ip route eigrp
Sh ip route | include D
Int erface gig 0/0
Ip add 192.168.1.1 255.255.255.0
Description R1 to SW3
Class-B(config)#no ip default-gateway 172.14.5.1
Class-B(config)#ip default-gateway 172.14.10.1
Multicast, unicast
