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JN0-351 · Question #27

You have DHCP snooping enabled but no entries are automatically created in the snooping database for an interface on your EX Series switch. What are two reasons for the problem? (Choose two.)

The correct answer is A. The device that is connected to the interface has performed a DHCPRELEASE. C. The device that is connected to the interface has a static IP address. If the device connected to the interface has performed a DHCPRELEASE, it releases its IP address back to the DHCP server, resulting in the removal of the corresponding DHCP snooping If the device connected to the interface is using a static IP address, it will not send DHCP…

Layer 2 Security

Question

You have DHCP snooping enabled but no entries are automatically created in the snooping database for an interface on your EX Series switch. What are two reasons for the problem? (Choose two.)

Options

  • AThe device that is connected to the interface has performed a DHCPRELEASE.
  • BMAC limiting is enabled on the interface.
  • CThe device that is connected to the interface has a static IP address.
  • DDynamic ARP inspection is enabled on the interface.

How the community answered

(39 responses)
  • A
    77% (30)
  • B
    8% (3)
  • D
    15% (6)

Explanation

If the device connected to the interface has performed a DHCPRELEASE, it releases its IP address back to the DHCP server, resulting in the removal of the corresponding DHCP snooping If the device connected to the interface is using a static IP address, it will not send DHCP requests, and therefore no entries will be created in the DHCP snooping database for that device.

Topics

#DHCP snooping#static IP#DHCP release#snooping database

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