300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and Services

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QuestionQ23

Infrastructure Services

Refer to the exhibit.

Question Image

The network administrator can observe the DHCP discovery packet at R1, but R2 does not respond to the DHCP request. The R1-related interface has been configured with the DHCP helper address. When the PC connects directly to R2's Fa0/1 interface, the DHCP server assigns the PC an IP address from the DHCP pool.

Which two commands resolve this issue?

Choose two
Explanation

service dhcp enables Cisco IOS DHCP service, including DHCP relay processing, on R1. ip dhcp relay information trust-all configures R2 to accept DHCP packets containing relay-agent information (Option 82) from all interfaces; otherwise, relay-agent information from an untrusted source can cause the DHCP packet to be discarded.

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