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AT-GS950/48PS, AT-S111
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Chapter 23: DHCP Snooping
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Contents
Main
Page
Page
Page
Contents
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 13
Chapter 14
Chapter 17
Chapter 15
Chapter 16
Chapter 18
Chapter 19
Chapter 20
Chapter 21
Chapter 22
Chapter 23
Chapter 24
Chapter 25
Chapter 26
Chapter 27 Chapter 28
Chapter 29
List of Figures
Page
Page
Page
List of Tables
Page
Preface
Document Conventions
Allied Telesis Contact Information
Page
Page
Page
Chapter 1
Starting a Web Browser Session
Establishing a Remote Connection to the Web Browser Interface
Page
Page
Page
Page
Chapter 2
System Configuration
System Management Information
Page
Configuration of IP Address, Subnet Mask and Gateway Address
Page
IP Access List Configuration
Create an IP Access List
Delete an IP Address List Entry
User Name and Password Configuration
Add New User Name and Password
Modify User Name and Password
Delete User Name and Password
User Interface Configuration
SNMP Interface
User Interface Timeout
System Time
Manually Setting System Time
Setting SNTP
Setting Daylight Savings Parameters
SSL Settings
Configuring SSL
Page
DHCP and ATI Web Discovery Tool
DHCP Client Configuration
Page
DHCP Auto Configuration
System Information Display
Page
System Log Configuration
Page
Page
Section II
Bridge Configuration
Page
Chapter 3
Port Configuration
Page
Displaying and Configuring Ports
Page
Page
Page
Chapter 4
STP and RSTP
Page
Bridge Priority and the Root Bridge
Path Costs and Port Costs
Port Priority
Forwarding Delay and Topology Changes
Hello Time and Bridge Protocol Data Units (BPDU)
Point-to-Point and Edge Ports
Mixed STP and RSTP Networks
Point-to-Point Ports Workstation
Edge Port
Spanning Tree and VLANs
AT-GS950/48PS Switch Web Interface Users Guide
71
Figure 20. STP and VLAN Compatibility with Tagged Ports
Note
For information about tagged and untagged ports, refer to Chapter 13, VLAN Overview on page 150.
Basic STP and RSTP Configuration
Page
Page
Configure RSTP Port Settings
Configure the Basic RSTP Port Settings
Page
Configure the Advanced RSTP Port Settings
Page
Page
Spanning Tree Topology
Chapter 5
Multiple Spanning Tree Protocol
Multiple Spanning Tree Configuration
Page
Page
Port Configuration
Page
Page
VLAN Mapping
Open MSTP VLAN Mapping Page
Create VLAN Mapping to MST Instance
Page
Port Settings
Page
Topology Information
Page
Page
Chapter 6
Static Port Trunking
Static Trunk
General Guidelines
Page
Create a Port Trunk
Page
Modify a Port Trunk
Page
Disable a Port Trunk
Page
Chapter 7
LACP Port Trunks
Page
System Priority
Port Priority Value
Page
Page
Group Status
Example
Page
Port Priority Configuration
Chapter 8
Port Mirroring
Page
Port Mirroring Configuration
Disable Port Mirroring
Chapter 9
Loopback Protection
Page
Page
Status
Chapter 10
MAC Address Table
Page
Page
Static Unicast MAC Address Configuration
Page
Modify Static Unicast Address
Delete Static Unicast Address
Static Multicast Address Configuration
Page
Page
Modify Static Multicast Address
Delete Static Multicast Address
Chapter 11
IGMP Snooping
Page
Page
IGMP Snooping Configuration
Page
Page
Chapter 12
Storm Control
Page
Page
Configuration
Page
Ingress Rate Limiting
Page
Egress Rate Limiting
Chapter 13
Virtual LANs
VLAN Overview
Port-based VLAN Overview
VLAN Name
VLAN Index
General Rules for Creating a Port-based VLAN
Tagged VLAN Overview
VLAN Index
VLAN Name
Tagged and Untagged Ports
Port VLAN Identifier (PVID)
General Rules for Creating a Tagged VLAN
Assign Ports to a VLAN Mode
Page
Tagged VLAN Configuration
Create a Tagged
Modify a Tagged
Page
Delete a Tagged
Page
Tagged VLAN Port Settings
section in VLAN Overview on page 150.
Page
Port-Based VLAN Configuration
Create a Port- Based VLAN
Modify a Port- Based VLAN
Page
Chapter 14
GVRP
Overview and Guidelines
General Configuration
Port Settings
Page
Time Settings
Page
Page
Chapter 15
Quality of Service and Cost of Service
Packet Priority
Egress Queue vs Packet Priority Mapping
Prioritizing Untagged Packets
Scheduling
Strict Priority Scheduling
Weighted Round Robin Priority Scheduling
Mapping CoS Priorities to Egress Queues
Page
Associate Ports to CoS Priorities
Associate DSCP Classes to Egress Queues
Page
Queue Scheduling Algorithm
Page
Section III
Advanced Features
Page
Chapter 16
SNMPv1 and v2c
SNMPv1 and SNMPv2c Overview
Trap Receiver Attributes
Page
SNMPv1 and SNMPv2c User and Group Names
Create User and
Modify User and
Delete User and
SNMP Community Strings
Create SNMP Community Strings
Page
SNMP Traps
Create Trap Host Table Entry
Modify a Trap Host Table Entry
Delete a Trap Host Table Entry
Page
Chapter 17
SNMPv3
SNMPv3 Authentication Protocols
SNMPv3 Privacy Protocol
SNMPv3 MIB Views
SNMPv3
Process
Page
SNMPv3 User and Group Names
SNMPv3 User and Group
Modifying SNMPv3 User and Group
Page
SNMPv3 View Names
SNMPv3 View
Page
Page
SNMPv3 View Table
SNMPv3 View Table Entries
Page
Page
Page
Page
Chapter 18
Access Control Configuration
Page
Classifier
Creating a
Page
Modifying a
Deleting a
Page
Profile Action
Creating a Profile
Modifying Profile
Deleting a Profile
In-Profile Action
Creating an In-
Page
Modifying an In-
Deleting an In-
Out-Profile Action
Creating a Out-
Page
Modify Out-
Delete Out-
Port List
Create Port List
Modify Port List
Delete Port List
Policy
Create Policy
Page
Modify Policy
Delete Policy
Page
Policy Sequence Status
Page
Chapter 19
RMON
Page
Enable and Disable RMON
Port Statistics
Page
Histories
Page
Events
Page
Alarms
Page
Page
Chapter 20
Voice VLAN
CoS with Voice
Organization Unique Identifier (OUI)
Dynamic Auto- Detection vs Static Ports
Page
Page
Configuration
Page
Page
OUI Setting
Create OUI Setting
Page
Chapter 21
Security
Port Access Control
Overview
Port Access Control
Page
Page
Page
RADIUS Client
Overview
General Guidelines
Radius Client
Page
Dial-in User Local Authentication
Overview
Dial-in User
Add a Dial-in User
Modify a Dial-in User
Delete a Dial-in User
Destination MAC Filter
Overview
Destination MAC Filter
Delete Destination MAC Filter
Page
Page
Chapter 22
Power Over Ethernet (PoE)
Power Sourcing Equipment (PSE)
Powered Device (PD)
PD Classes
Power Budget
Port Prioritization
PoE Configuration
Page
Page
Chapter 23
DHCP Snooping
Trusted Ports
Untrusted Ports
Unauthorized DHCP Servers
DHCP with Option 82
Page
General Configuration
Page
VLAN Setting
Creating a VLAN
Page
Trusted and Untrusted Port Configuration
Page
Binding Database
Static IP Addresses
Viewing
Page
Page
Chapter 24
LLDP
Page
Global Configuration
Enabling or Disabling LLDP
Displaying System Information
Setting Port States
Page
Neighbors Information
Page
Chapter 25
Network Statistics
Page
Traffic Comparison Statistics
Page
Page
Error Group Statistics
Page
Historical Status Charts
Page
Page
Section IV
Tools
Page
Chapter 26
Software/Configuration Updates
Page
Upgrade Firmware Image via HTTP
Page
Upgrade Firmware Image via TFTP
Page
Upload or Download a Configuration File via HTTP
File Upload
Page
Page
Download or Upload a Configuration File via TFTP
File Upload
File Download
Page
Chapter 27
Cable Diagnostics
Page
Chapter 28
Rebooting the AT-GS950/48PS
Switch Reboot
Page
Configure Factory Default Values
Page
Password Protection of Factory Reset
Disabling Factory Default Reset Feature
Page
Enabling Factory Default Reset
Page
Page
Chapter 29
Pinging a Remote System
Page
MSTP Overview
Page
Page
Multiple Spanning Tree Instance (MSTI)
Resolving VLAN Fragmentation
Page
Page
Page
Page
Ports in Multiple MSTIs
Multiple Spanning Tree Regions
Page
MST Region Guidelines
Page
Common and Internal Spanning Tree (CIST)
MSTP with STP and RSTP
Associating VLANs to MSTIs
Page
VLANs Across Different Regions
Page
Summary of Guidelines
Page
Appendix B
AT-GS950/48PS Default Parameters
System/Administration
System/User Interface
System/System Time
Parameter AT-GS950/48PS
Page
Bridge/Spanning Tree/RSTP
Bridge/Spanning Tree/MSTP
Parameter AT-GS950/48PS
Page
Bridge/Static Unicast
Bridge/Static Multicast
Bridge/IGMP Snooping
Bridge/Storm Control
Parameter AT-GS950/48PS
Page
Bridge/GVRP
Bridge/QoS
SNMP/View Table
SNMP/Group Access Table
Parameter AT-GS950/48PS
SNMP User/Group
SNMP/Community Table
SNMP/Trap Management
Access Control Configuration
Parameter AT-GS950/48PS
Page
RMON
Parameter AT-GS950/48PS
Voice VLAN
Security Port Access Control NAS ID
Port Access Control
Parameter AT-GS950/48PS
Page
LLDP
Statistics Chart
Parameter AT-GS950/48PS
Tools
Parameter AT-GS950/48PS