Question: Does this subnet look correct? Cisco Network Routing Module 01 Project Template SomeCompany wants to deploy three routers to allow communication between the 3 buildings

Does this subnet look correct?

Cisco Network Routing Module 01 Project Template

SomeCompany wants to deploy three routers to allow communication between the 3 buildings on their campus. The CTO wants the routers configured with the maximum number of IP addresses in each department, using the subnets as indicated on the Subnet worksheet. Fill out the department subnetting table below. Then, fill out the router IP Addressing table below that (note: not all interfaces should receive an IP Address).

Building 1

Subnet Department Subnet ID Host ID Range Broadcast Address
0 Warehouse 172.18.0.0 172.18.0.1 - 172.18.15.254 172.18.15.255
1 Receiving 172.18.16.0 172.18.16.1 - 172.18.31.254 172.18.31.255
2 shipping 172.18.32.0 172.18.32.1 - 172.18.47.254 172.18.47.255
3 Maintenance 172.18.48.0 172.18.48.1 - 172.18.63.254 172.18.63.255

Building 2

Subnet Department Subnet ID Host ID Range Broadcast Address
4 Accounting 172.18.64.0 172.18.64.1 - 172.18.79.254 172.18.79.255
5 Human Resources 172.18.80.0 172.18.80.1 - 172.18.95.254 172.18.95.255
6 Payroll 172.18.96.0 172.18.96.1 - 172.18.111.254 172.18.111.255
7 MIS 172.18.112.0 172.18.112.1 - 172.18.127.254 172.18.127.255
8 Employee Training 172.18.128.0 172.18.128.1 - 172.18.143.254 172.18.143.255

Building 3

Subnet Department Subnet ID Host ID Range Broadcast Address
9 R&D 172.18.144.0 172.18.144.1 - 172.18.159.254 172.18.159.255
10 Marketing 172.18.160.0 172.18.160.1 - 172.18.175.255 172.18.175.255

Routers (Note, not all interfaces will be configured with an IP Address.)

Building 1 Router

Ethernet and Serial Interfaces

IP Address Subnet Mask Router
Fast Ethernet 0/0 172.18.0.1 255.255.240.0 Building 1
Fast Ethernet 0/1 172.18.16.1 255.255.240.0 Building 1
Fast Ethernet 0/2 172.18.32.1 255.255.240.0 Building 1
Fast Ethernet 0/3 172.18.48.1 255.255.240.0 Building 1
Fast Ethernet 0/4 Building 1
Fast Ethernet 0/5 Building 1
Fast Ethernet 0/6 Building 1
Fast Ethernet 0/7 Building 1
Serial 0/0 172.18.176.2 255.255.240.0 To Building 2
Serial 0/1 172.18.192.3 255.255.240.0 To Building 3

Building 2 Router

Ethernet and Serial Interfaces

IP Address Subnet Mask Router
Fast Ethernet 0/0 172.18.64.1 255.255.240.0 Building 2
Fast Ethernet 0/1 172.18.80.1 255.255.240.0 Building 2
Fast Ethernet 0/2 172.18.96.1 255.255.240.0 Building 2
Fast Ethernet 0/3 172.18.112.1 255.255.240.0 Building 2
Fast Ethernet 0/4 172.18.128.1 255.255.240.0 Building 2
Fast Ethernet 0/5 Building 2
Fast Ethernet 0/6 Building 2
Fast Ethernet 0/7 Building 2
Serial 0/0 172.18.176.1 255.255.240.0 To Building 1
Serial 0/1 172.18.208.3 255.255.240.0 To Building 3

Building 3 Router

Ethernet and Serial Interfaces

IP Address Subnet Mask Router
Fast Ethernet 0/0 172.18.144.1 255.255.240.0 Building 3
Fast Ethernet 0/1 172.18.160.1 255.255.240.0 Building 3
Fast Ethernet 0/2 Building 3
Fast Ethernet 0/3 Building 3
Fast Ethernet 0/4 Building 3
Fast Ethernet 0/5 Building 3
Fast Ethernet 0/6 Building 3
Fast Ethernet 0/7 Building 3
Serial 0/0 172.18.192.1 255.255.240.0 To Building 1
Serial 0/1 172.18.208.2 255.255.240.0 To Building 2

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