Cisco SF500-24 Administration Manual page 317

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299
DHCP Relay
VLAN with IP Address
Option 82 Packet is sent
insertion without
disabled Option 82
Option 82 Packet is sent
insertion without
enabled Option 82
Cisco 500 Series Stackable Managed Switch Administration Guide Release 1.3
DHCP Relay
VLAN without IP Address
Packet is sent Relay –
with the discards
original Option 82
Option 82
Bridge –
Packet is sent
without
Option 82
Relay – Relay –
Packet is sent discards
without Option 82
Option 82
Bridge –
Bridge – Packet is sent
Packet is sent without
with the Option 82
Option 82
IP Configuration
IPv4 Management and Interfaces
Relay –
1. If reply
originates in
device,
packet is sent
without
Option 82
2. If reply
does not
originate in
device,
packet is
discarded
Bridge –
Packet is sent
with the
original
Option 82
Relay –
Packet is sent
without
Option 82
Bridge –
Packet is sent
with the
Option 82