1 24 24 Live Lab VLSM OSPF
Serial Link between BHS & CHS /30 bit mask
200.100.100.96 /30
255.255.255.252 11111111.1111111.11111111.11111100 increment 4's
200.100.100.96 - 200.100.100.99 useable 97 98 96 network 99 broadcast
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150.50.50.0 /20 11111111.11111111.11110000.0000000
stop bit on increment 16 binary new subnetmask
255 . 255 . 240 . 0
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How many devices/zeros?
What is the increment?
What is the new subnet mask? 255.255.0.0
155.155.0.0/16
BHS LAN has 1,000 hosts
CHS LAN has 1,500 hosts
1,100 end devices 2^ =
255 . 255 . 240 . 0
11111111.11111111.11111000.00000000 128 64 32 16 8 4 2 1
0 0 0 0 0 0 0 0
60.150.0.0 - 160.150.0..
60.150.0.0 - 160.150..
160.150.0.0 - 160.150..
160.150.0.0 - 160.150..
2^0 = 0
2^1 = 1
2^2 = 4
2^3 = 8
2^4 = 16
2^5 = 32
2^6 = 64
2^7 = 128
2^8 = 256
2^9 = 512
2^10 = 1,024
2^11 = 2,048
2^12 = 4,096
2^13 = 8,192
2^14 = 16,384