Information Technology Reference
In-Depth Information
Scenario 2
Complete Addressing Design Scenario 2 using the following list of requirements:
Address space: 192.168.18.0/23
■
RTA LAN, 250 hosts; RTB LAN, 100 hosts; RTC LAN, 60 hosts
■
Using good VLSM design practices, contiguously assign subnets to the topology shown in
Figure 6-8.
1.
Figure 6-8
Addressing Design Scenario 2 Topology (Answer)
192.168.18.0/24
A
250 Hosts
Address Space
192.168.18.0/23
Fa0/0
RTA
S0/1
DCE
S0/0
192.168.19.200/30
192.168.19.192/30
192.168.19.128/26
192.168.19.0/25
S0/0
DCE
S0/1
C
B
Fa0/0
Fa0/0
S0/1
RTC
RTB
S0/0
DCE
192.168.19.196/30
60 Hosts
100 Hosts
Fill in Table 6-4 with all necessary IP address configuration information for all devices. Use
dotted decimal format for the subnet mask.
2.
Table 6-4
Addressing Table for VLSM Scenario 2
Device
Interface
IP Address
Subnet Mask
Default Gateway
RTA
Fa0/0
192.168.18.1
255.255.255.0
—
S0/1
192.168.19.193
255.255.255.252
—
S0/0
192.168.19.201
255.255.255.252
—
RTB
Fa0/0
192.168.19.1
255.255.255.128
—
S0/1
192.168.19.194
255.255.255.252
—
S0/0
192.168.19.197
255.255.255.252
—
RTC
Fa0/0
192.168.19.129
255.255.255.192
—
S0/1
192.168.19.198
255.255.255.252
—
S0/0
192.168.19.202
255.255.255.252
—
HostA
NIC
192.168.18.2
255.255.255.0
192.168.18.1
HostB
NIC
192.168.19.2
255.255.255.128
192.168.19.1
HostC
NIC
192.168.19.130
255.255.255.192
192.168.19.129
