Netgear GS752TXS - Stackable Smart Gigabit Ethernet Switch 사용자 설명서
Chapter 2: Configuring System Information
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GS752TXS Smart Switch Software Administration Manual
Services — DHCP Snooping
DHCP Snooping is a useful feature that provides security by filtering untrusted DHCP
messages and by building and maintaining a DHCP snooping binding table. An untrusted
message is a message that is received from outside the network or firewall and that can
cause traffic attacks within your network. The DHCP snooping binding table contains the
MAC address, IP address, lease time, binding type, VLAN number, and interface information
that corresponds to the local untrusted interfaces of a switch. An untrusted interface is an
interface that is configured to receive messages from outside the network or firewall. A
trusted interface is an interface that is configured to receive only messages from within the
network.
messages and by building and maintaining a DHCP snooping binding table. An untrusted
message is a message that is received from outside the network or firewall and that can
cause traffic attacks within your network. The DHCP snooping binding table contains the
MAC address, IP address, lease time, binding type, VLAN number, and interface information
that corresponds to the local untrusted interfaces of a switch. An untrusted interface is an
interface that is configured to receive messages from outside the network or firewall. A
trusted interface is an interface that is configured to receive only messages from within the
network.
DHCP snooping acts like a firewall between untrusted hosts and DHCP servers. It also
provides way to differentiate between untrusted interfaces connected to the end-user and
trusted interfaces connected to the DHCP server or another switch.
provides way to differentiate between untrusted interfaces connected to the end-user and
trusted interfaces connected to the DHCP server or another switch.
From the Services link, you can access the following pages:
Global Configuration
To access the DHCP Snooping Global Configuration page, click System
Services
DHCP
Snooping
Global Configuration
.
LLDP Unknown TLVs
Type
Displays the unknown TLV type field.
Value
Displays the unknown TLV value field.
Field
Description