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103

Figure 38 Network diagram

Configuration procedure

# Enable DHCP snooping.

<SwitchB> system-view

[SwitchB] dhcp snooping enable

# Configure GigabitEthernet 1/0/1 as a trusted port.

[SwitchB] interface gigabitethernet 1/0/1

[SwitchB-GigabitEthernet1/0/1] dhcp snooping trust

[SwitchB-GigabitEthernet1/0/1] quit

# Configure Option 82 on GigabitEthernet 1/0/2.

[SwitchB] interface gigabitethernet 1/0/2

[SwitchB-GigabitEthernet1/0/2] dhcp snooping information enable

[SwitchB-GigabitEthernet1/0/2] dhcp snooping information strategy replace

[SwitchB-GigabitEthernet1/0/2] dhcp snooping information circuit-id string company001

[SwitchB-GigabitEthernet1/0/2] dhcp snooping information remote-id string device001

[SwitchB-GigabitEthernet1/0/2] quit

# Configure Option 82 on GigabitEthernet 1/0/3.

[SwitchB] interface gigabitethernet 1/0/3

[SwitchB-GigabitEthernet1/0/3] dhcp snooping information enable

[SwitchB-GigabitEthernet1/0/3] dhcp snooping information strategy replace

[SwitchB-GigabitEthernet1/0/3] dhcp snooping information circuit-id verbose

node-identifier sysname format ascii

[SwitchB-GigabitEthernet1/0/3] dhcp snooping information remote-id string device001

Verifying the configuration

# Display Option 82 configuration information on GigabitEthernet 1/0/2 and GigabitEthernet 1/0/3 on

the DHCP snooping device.

[SwitchB] display dhcp snooping information

HPE FlexNetwork MSR Series Comware 7 Layer 3 - Ip Services Configuration Guides

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