Information Technology Reference
In-Depth Information
NW-BR2 LAN2 Subnet
CIDR
Network
Decimal
Subnet
First Usable
Last Usable
Broadcast
Address
Subnet Mask
Mask
IP Address
IP Address
Address
172.16.116.0
255.255.252.0
/22
172.16.116.1
172.16.119.254
172.16.119.255
Determine the subnet information for the WAN links between the routers in the West net-
work.
Step 13.
How many router-to-router WAN links are present in the West network?
5
1.
How many IP addresses are needed for each of these WAN links?
2
2.
What is the smallest-size subnet that can be used to meet this requirement?
/30
3.
What is the maximum number of IP addresses that can be assigned in this size sub-
net?
2
4.
Assign subnets to WAN links.
Step 14.
Assign the next available subnets to the WAN links between the routers.
1.
Fill in the following table with the appropriate information.
2.
WAN Links Between the Routers in the West Network
CIDR
Network
Decimal
Subnet
First Usable
Last Usable
Broadcast
WAN Link
Address
Subnet Mask
Mask
IP Address
IP Address
Address
HQ to WEST
172.16.120.0
255.255.255.252
/30
172.16.120.1
172.16.120.2
172.16.120.3
WEST to
S-WEST
172.16.120.4
255.255.255.252
/30
172.16.120.5
172.16.120.6
172.16.120.7
WEST to N-WEST
172.16.120.8
255.255.255.252
/30
172.16.120.9
172.16.120.10
172.16.120.11
N-WEST to NW-BR1
172.16.120.12
255.255.255.252
/30
172.16.120.13
172.16.120.14
172.16.120.15
N-WEST to NW-BR2
172.16.120.16
255.255.255.252
/30
172.16.120.17
172.16.120.18
172.16.120.19
Task 5: Design an IP Addressing Scheme for the East Network
Determine the subnet information for the N-EAST LAN1.
Step 1.
Use the address space that was designated for the East network in Task 1.
What is the smallest-size subnet that can be used to meet this requirement?
/20
1.
What is the maximum number of IP addresses that can be assigned in this size
subnet?
4094
2.
