Volume 1 - Chapter 18: IP Routing in the LAN

Question 1

What is the command to configure a subinterface on Gi0/1 with a native VLAN of 20 and an IP address of 192.168.1.1 /24

Answer 1

interface Gi0/1.20
ip address 192.168.1.1 255.255.255.0
encapsulation dot1q 20 native

Question 2

A technician configures a subinterface on Te2/0/3 with an IP address of 172.16.31.50 /24, and a VLAN tag of 50. What would show as the connected interface when printing the routing table?

Answer 2

TenGigabitEthernet2/0/3.50

Question 3

A technician configures an SVI on a switch with an IP address of 172.16.31.50 /24 on VLAN 40. What would show as the connected interface when printing the routing table?

Answer 3

Vlan40

Question 4

What commands are configured to enable/disable the use of autostate for a VLAN interface?

Answer 4

In VLAN interface configuration mode:

autostate
no autostate

Question 5

When using autostate on a VLAN interface, what are the requirements for the VLAN interface to reach a state of up/up?

Answer 5

There are 4 main criteria

1) The VLAN itself must be created (manually or through VTP)
2) One interface on that VLAN must be up/up
3) The VLAN must not be shutdown
4) The VLAN interface must not be shutdown

Question 6

When autostate is disabled, what is the only check performed by the switch to reach a state of up/up?

Answer 6

If the VLAN itself is defined on the switch.

Question 7

When autostate is disabled, what is the state of the VLAN SVI interface if the local VLAN is not defined or configured?

Answer 7

Up/Down