HPE7-A08 · Question #152

Refer to the exhibit. SW-A is the layer-3 gateway for: Server-A in VLAN 100, subnet 10.100.100.0/24 Client-A in VLAN 20, subnet 10.100.20.0/24 Client-B VLAN 30, subnet 10.100.30.0/24 What can be…

The correct answer is C. Enable dhcpv4-snooping authorized-server 10.100.100.10 on VLAN 20. DHCP snooping validates DHCP server replies per VLAN. To allow VLAN 20 clients to accept DHCP offers from a DHCP server located in another VLAN, the DHCP server’s IP address must be explicitly authorized under the VLAN where the clients Authorizing the server under VLAN 20…

Perform HPE Aruba Networking CX Switch Configurations

Question

Refer to the exhibit. SW-A is the layer-3 gateway for:

Server-A in VLAN 100, subnet 10.100.100.0/24 Client-A in VLAN 20, subnet 10.100.20.0/24 Client-B VLAN 30, subnet 10.100.30.0/24 What can be done to trust DHCP server 10.100.100.10 responses on SW-A for clients in VLAN 20?

Exhibit

Options

AEnable dhcpv4-snooping authorized-server 10.100.100.10 on VLAN 100
BEnable dhcpv4-snooping and authorized-server 10.100.100.10 globally
CEnable dhcpv4-snooping authorized-server 10.100.100.10 on VLAN 20
DEnable dhcpv4-snooping trust 10.100.100.10 on VLAN 100

How the community answered

(24 responses)

A
4% (1)
B
4% (1)
C
79% (19)
D
13% (3)

Explanation

DHCP snooping validates DHCP server replies per VLAN. To allow VLAN 20 clients to accept DHCP offers from a DHCP server located in another VLAN, the DHCP server’s IP address must be explicitly authorized under the VLAN where the clients Authorizing the server under VLAN 20 ensures that SW-A recognizes DHCP responses from 10.100.100.10 as trusted for that VLAN.

Topics

#DHCP snooping#authorized server#VLAN security#trusted server

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