Cisco SF352-08P Administration Guide

IP Configuration
IPv4 Management and Interfaces
296 Cisco 350, 350X and 550X Series Managed Switches, Firmware Release 2.4, ver 0.4
16
The following describes how DHCP reply packets are handled when both DHCP Snooping
and DHCP Relay are enabled
Option 82
insertion
disabled
Packet is sent
without Option
82
Packet is sent
with the original
Option 82
Relay – discards
Option 82
Bridge – Packet
is sent without
Option 82
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
Option 82
insertion
enabled
Packet is sent
without Option
82
Relay – Packet
is sent without
Option 82
Bridge – Packet
is sent with the
Option 82
Relay – discards
Option 82
Bridge – Packet
is sent without
Option 82
Relay – Packet
is sent without
Option 82
Bridge – Packet
is sent with the
Option 82
DHCP Relay
VLAN with IP Address
DHCP Relay
VLAN without IP Address
Packet arrives
without Option
82
Packet arrives
with Option 82
Packet arrives
without Option
82
Packet arrives with
Option 82
DHCP Relay
VLAN with IP Address
DHCP Relay
VLAN without IP Address

Cisco SF352-08P Specifications

General

Brand	Cisco
Model	SF352-08P
Category	Switch
Language	English