Week 5 worksheet — Subnetting
Find the boundary
For 192.168.10.0/25:
|
Address |
Usable by a host? |
| Network address |
|
|
| Broadcast address |
|
|
| First usable |
|
|
| Last usable |
|
|
| Total usable |
|
|
For 192.168.10.0/28:
|
Address |
Usable by a host? |
| Network address |
|
|
| Broadcast address |
|
|
| First usable |
|
|
| Last usable |
|
|
| Usable count |
|
|
VLSM
Allocation table:
| Segment |
Hosts needed |
+ router |
Prefix / Net ID / Brd ID |
First usable / Last usable |
Spare |
| OFFICE |
60 |
61 |
|
|
|
| LAB |
25 |
26 |
|
|
|
| SERVERS |
6 |
7 |
|
|
|
| MGMT |
2 |
3 |
|
|
|
| Transit |
2 |
2 |
|
|
|
| Unused remainder |
— |
— |
|
|
|