1.2.1 Packet Tracer – Inter-VLAN Routing Challenge (Answers)
Topology
Addressing Table
Device | Interface | IP Address | Subnet Mask | Default Gateway |
---|---|---|---|---|
R1 | G0/0 | 172.17.25.2 | 255.255.255.252 | N/A |
G0/1.10 | 172.17.10.1 | 255.255.255.0 | ||
G0/1.20 | 172.17.20.1 | 255.255.255.0 | ||
G0/1.30 | 172.17.30.1 | 255.255.255.0 | ||
G0/1.88 | 172.17.88.1 | 255.255.255.0 | ||
G0/1.99 | 172.17.99.1 | 255.255.255.0 | ||
S1 | VLAN 99 | 172.17.99.10 | 255.255.255.0 | 172.17.99.1 |
PC1 | NIC | 172.17.10.21 | 255.255.255.0 | 172.17.10.1 |
PC2 | NIC | 172.17.20.22 | 255.255.255.0 | 172.17.20.1 |
PC3 | NIC | 172.17.30.23 | 255.255.255.0 | 172.17.30.1 |
Server | NIC | 172.17.50.254 | 255.255.255.0 | 172.17.50.1 |
VLAN and Port Assignments Table
VLAN | Name | Interface |
---|---|---|
10 | Faculty/Staff | F0/11-17 |
20 | Students | F0/18-24 |
30 | Guest(Default) | F0/6-10 |
88 | Native | G0/1 |
99 | Management | VLAN 99 |
Scenario
In this activity, you will demonstrate and reinforce your ability to implement inter-VLAN routing, including configuring IP addresses, VLANs, trunking, and subinterfaces.
Instructions
Configure the devices to meet the following requirements.
- Assign IP addressing to R1 and S1 based on the Addressing Table.
- Configure the default gateway on S1.
- Create, name, and assign VLANs on S1 based on the VLAN and Port Assignments Table. Ports should be in access mode. Your VLAN names should match the names in the table exactly.
- Configure G0/1 of S1 as a static trunk and assign the native VLAN.
- All ports that are not assigned to a VLAN should be disabled.
- Configure inter-VLAN routing on R1 based on the Addressing Table.
- Verify connectivity. R1, S1, and all PCs should be able to ping each other and the server.
Answer Scripts
Switch S1
en config t interface vlan 99 ip address 172.17.99.10 255.255.255.0 no shutdown ip default-gateway 172.17.99.1 !Note: VLAN naming only requires the first letter be correct vlan 10 name Faculty/Staff vlan 20 name Students vlan 30 name Guest(Default) vlan 88 name Native vlan 99 name Management interface range f0/11 - 17 switchport mode access switchport access vlan 10 interface range f0/18 - 24 switchport mode access switchport access vlan 20 interface range f0/6 - 10 switchport mode access switchport access vlan 30 interface g0/1 switchport mode trunk switchport trunk native vlan 88 interface range f0/1-5,g0/2 shutdown end
Router R1
ena conf t interface GigabitEthernet0/1 no shutdown interface GigabitEthernet0/1.10 encapsulation dot1Q 10 ip address 172.17.10.1 255.255.255.0 interface GigabitEthernet0/1.20 encapsulation dot1Q 20 ip address 172.17.20.1 255.255.255.0 interface GigabitEthernet0/1.30 encapsulation dot1Q 30 ip address 172.17.30.1 255.255.255.0 interface GigabitEthernet0/1.88 encapsulation dot1Q 88 native ip address 172.17.88.1 255.255.255.0 interface GigabitEthernet0/1.99 encapsulation dot1Q 99 ip address 172.17.99.1 255.255.255.0 end
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