Cisco 350 Series Administration Manual page 381

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DHCP Relay
VLAN with IP Address
Option 82 Relay – is sent
Insertion with Option 82
Enabled
Bridge – no
Option 82 is sent
Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4
DHCP Relay
VLAN without IP Address
Packet is sent Relay – is sent
with the original with Option 82
Option 82
Bridge – no
Option 82 is
sent
IP Configuration
IPv4 Management and Interfaces
Relay – discards
the packet
Bridge – Packet
is sent with the
original Option
82