Information Technology Reference
In-Depth Information
Determine the subnet information for the SE-ST2 LAN2.
Step 19.
What is the smallest-size subnet that can be used to meet this requirement?
/25
1.
What is the maximum number of IP addresses that can be assigned in this size
subnet?
126
2.
Assign a subnet to SE-ST2 LAN2.
Step 20.
Assign the next available subnet to the SE-ST2 LAN2.
1.
Fill in the following table with the appropriate information.
2.
SE-ST2 LAN2 Subnet
CIDR
Network
Decimal
Subnet
First Usable
Last Usable
Broadcast
Address
Subnet Mask
Mask
IP Address
IP Address
Address
172.16.46.128
255.255.255.128
/25
172.16.46.129
172.16.46.254
172.16.46.255
Determine the subnet information for the WAN links between the routers in the East net-
work.
Step 21.
How many router-to-router WAN links are present in the East network?
7
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
subnet?
2
4.
Assign subnets to WAN links.
Step 22.
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 East Network
Decimal
CIDR
WAN
Network
Subnet
Subnet
First Usable
Last Usable
Broadcast
Link
Address
Mask
Mask
IP Address
IP Address
Address
HQ to
172.16.47.0
255.255.255.252
/30
172.16.47.1
172.16.47.2
172.16.47.3
EAST
EAST to
172.16.47.4
255.255.255.252
/30
172.16.47.5
172.16.47.6
172.16.47.7
S-EAST
EAST to
172.16.47.8
255.255.255.252
/30
172.16.47.9
172.16.47.10
172.16.47.11
N-EAST
S-EAST to
172.16.47.12
255.255.255.252
/30
172.16.47.13
172.16.47.14
172.16.47.15
SE-BR1
S-EAST to
172.16.47.16
255.255.255.252
/30
172.16.47.17
172.16.47.18
172.16.47.19
SE-BR2
continues
