A network administrator enters the following commands on the switch SW1. What is the effect after these commands are entered?

A network administrator enters the following commands on the switch SW1.

SW1(config)# interface range fa0/5 – 10
SW1(config-if)# ip dhcp snooping limit rate 6

What is the effect after these commands are entered?

• FastEthernet ports 5 through 10 can receive up to 6 DHCP discovery messages per second.
• FastEthernet ports 5 through 10 can receive up to 6 DHCP messages per second of any type.
• If any of the FastEthernet ports 5 through 10 receive more than 6 DHCP messages per second, the port will be shut down.
• If any of the FastEthernet ports 5 through 10 receive more than 6 DHCP messages per second, the port will continue to operate and an error message will be sent to the network administrator.
  

  Answers Explanation & Hints: When DHCP snooping is being configured, the number of DHCP discovery messages that untrusted ports can receive per second should be rate-limited by using the ip dhcp snooping limit rate interface configuration command. When a port receives more messages than the rate allows, the extra messages will be dropped.

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