NTWK$272-$Week $1$ Switch Security

$1)$ Subnetting with VLSM

Given IP $=192\mathrm{.}168\mathrm{.}10\mathrm{.}0/23$

VLAN $10=$ Students $=100$ hosts

$/25=255\mathrm{.}255\mathrm{.}255\mathrm{.}128$

$2523=2,22=4$ subnets

Block size $=256128$

$192\mathrm{.}168\mathrm{.}10\mathrm{.}0/25(\mathrm{.}1$ to $\mathrm{.}126)$ VLAN $10$

$192\mathrm{.}168\mathrm{.}10\mathrm{.}128/25$

$192\mathrm{.}168\mathrm{.}11\mathrm{.}0/25$

$192\mathrm{.}168\mathrm{.}11\mathrm{.}128/25$

VLAN $20=$ Faculty $=60$ hosts

$/26=255\mathrm{.}255\mathrm{.}255\mathrm{.}192$

$2625=2,21=2$ Subnets

Block size $=256192=64$

$192\mathrm{.}168\mathrm{.}10\mathrm{.}128/26(\mathrm{.}129$ t $\mathrm{.}190)$ VLAN $20$

$192\mathrm{.}168\mathrm{.}10\mathrm{.}192/26$

VLAN$30=$ Admin $=20$ hosts

$/27=255\mathrm{.}255\mathrm{.}255\mathrm{.}224$

$2726=1,21=2$ subnets

Block size $=256224=32$

$192\mathrm{.}168\mathrm{.}10\mathrm{.}192/27(\mathrm{.}193$ to $\mathrm{.}222)$ VLAN $30$

$192\mathrm{.}168\mathrm{.}10\mathrm{.}224/27$

Fill in the following chart. Assign the Last IP address in the VLAN to default gateway.

The $1$st IP address should be assigned to the $1$st host and so on$.$

Interface IP address Mask Default Gateway

VLAN $10192\mathrm{.}168\mathrm{.}10\mathrm{.}126255\mathrm{.}255\mathrm{.}255\mathrm{.}128$ N$/$A

VLAN $20192\mathrm{.}168\mathrm{.}10\mathrm{.}190255\mathrm{.}255\mathrm{.}255\mathrm{.}192$ N$/$A

VLAN $30192\mathrm{.}168\mathrm{.}10\mathrm{.}222255\mathrm{.}255\mathrm{.}255\mathrm{.}224$ N$/$A

PC$-$VLAN$10$ Dynamic

PC$-$VLAN$20$ Dynamic

PC$-$VLAN$30$ Dynamic

$2)$ DHCPv$4$ using Router on a stick