User Manual
Table Of Contents
- S3300 Smart Managed Pro Switch
- Contents
- 1. Getting Started
- Getting Started with the NETGEAR Switch
- Switch Management Interface
- Connect the Switch to the Network
- Discover a Switch in a Network with a DHCP Server
- Discover a Switch in a Network without a DHCP Server
- Configure the Network Settings on the Administrative System
- Access the Management Interface from a Web Browser
- Understand the User Interfaces
- Interface Naming Convention
- Configuring Interface Settings
- Online Help
- Registration
- 2. Configure System Information
- 3. Configuring Switching
- 4. Configuring Routing
- 5. Configuring Quality of Service
- 6. Managing Device Security
- 7. Maintenance
- 8. Monitoring the System
- A. Configuration Examples
- B. Hardware Specifications and Default Values
Configure System Information
116
S3300 Smart Managed Pro Switch
Figure 66. DHCP L2 Relay Interface Statistics
Table 40 describes the non-configurable data that is displayed.
Table 40. DHCP L2 Relay Interface Statistics
Field Description
Interface The interface from which the DHCP message is received.
Untrusted Server
Messages With
Opt82
The number of DHCP message with option82 received from an untrusted server.
Untrusted Client
Messages With Opt82
The number of DHCP message with option82 received from an untrusted client.
Trusted Server Messages
W
ithout Opt82
The number of DHCP message without option82 received from a trusted server.
Trusted Client Messages
W
ithout Opt82
The number of DHCP message without option82 received from a trusted client.
Click the Clear button to reset the DHCP L2 Relay Interface statistics.
Click Up
date to update the page with the latest information on the switch.
The latest DHCP L2 Relay Interface statistics is displayed.
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