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Lab – Implementing VLAN Security
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Step 6: Configure basic switch security.
a. Configure a MOTD banner to warn users that unauthorized access is prohibited.
b. Encrypt all passwords.
c. Shut down all unused physical ports.
d. Disable the basic web service running.
S1(config)# no ip http server
S2(config)# no ip http server
e. Copy the running configuration to startup configuration.
Step 7: Verify connectivity between devices and VLAN information.
a. From a command prompt on PC-A, ping the management address of S1. Were the pings successful?
Why?
____________________________________________________________________________________
____________________________________________________________________________________
b. From S1, ping the management address of S2. Were the pings successful? Why?
____________________________________________________________________________________
____________________________________________________________________________________
c. From a command prompt on PC-B, ping the management addresses on S1 and S2 and the IP address of
PC-A and PC-C. Were your pings successful? Why?
____________________________________________________________________________________
____________________________________________________________________________________
d. From a command prompt on PC-C, ping the management addresses on S1 and S2. Were you
successful? Why?
____________________________________________________________________________________
____________________________________________________________________________________
Note: It may be necessary to disable the PC firewall to ping between PCs.
Part 2: Implement VLAN Security on the Switches
Step 1: Configure trunk ports on S1 and S2.
a. Configure port F0/1 on S1 as a trunk port.
S1(config)# interface f0/1
S1(config-if)# switchport mode trunk
b. Configure port F0/1 on S2 as a trunk port.
S2(config)# interface f0/1
S2(config-if)# switchport mode trunk
c. Verify trunking on S1 and S2. Issue the show interface trunk command on both switches.
S1# show interface trunk
Port Mode Encapsulation Status Native vlan
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