Web Management Guide-R04
Table Of Contents
- How to Use This Guide
- Contents
- Figures
- Tables
- Getting Started
- Web Configuration
- Using the Web Interface
- Basic Management Tasks
- Displaying System Information
- Displaying Hardware/Software Versions
- Configuring Support for Jumbo Frames
- Displaying Bridge Extension Capabilities
- Managing System Files
- Setting the System Clock
- Configuring the Console Port
- Configuring Telnet Settings
- Displaying CPU Utilization
- Configuring CPU Guard
- Displaying Memory Utilization
- Resetting the System
- Interface Configuration
- VLAN Configuration
- Address Table Settings
- Spanning Tree Algorithm
- Congestion Control
- Class of Service
- Layer 2 Queue Settings
- Layer 3/4 Priority Settings
- Setting Priority Processing to IP Precedence/DSCP or CoS
- Mapping Ingress DSCP Values to Internal DSCP Values
- Mapping CoS Priorities to Internal DSCP Values
- Mapping Internal DSCP Values to Egress CoS Values
- Mapping IP Precedence Values to Internal DSCP Values
- Mapping IP Port Priority to Internal DSCP Values
- Quality of Service
- VoIP Traffic Configuration
- Security Measures
- AAA Authentication, Authorization and Accounting
- Configuring User Accounts
- Web Authentication
- Network Access (MAC Address Authentication)
- Configuring HTTPS
- Configuring the Secure Shell
- Access Control Lists
- Filtering IP Addresses for Management Access
- Configuring Port Security
- Configuring 802.1X Port Authentication
- DoS Protection
- DHCPv4 Snooping
- DHCPv6 Snooping
- IPv4 Source Guard
- IPv6 Source Guard
- ARP Inspection
- Application Filter
- Basic Administration Protocols
- Configuring Event Logging
- Link Layer Discovery Protocol
- Simple Network Management Protocol
- Configuring Global Settings for SNMP
- Setting Community Access Strings
- Setting the Local Engine ID
- Specifying a Remote Engine ID
- Setting SNMPv3 Views
- Configuring SNMPv3 Groups
- Configuring Local SNMPv3 Users
- Configuring Remote SNMPv3 Users
- Specifying Trap Managers
- Creating SNMP Notification Logs
- Showing SNMP Statistics
- Remote Monitoring
- Switch Clustering
- Setting a Time Range
- Ethernet Ring Protection Switching
- OAM Configuration
- Connectivity Fault Management
- Configuring Global Settings for CFM
- Configuring Interfaces for CFM
- Configuring CFM Maintenance Domains
- Configuring CFM Maintenance Associations
- Configuring Maintenance End Points
- Configuring Remote Maintenance End Points
- Transmitting Link Trace Messages
- Transmitting Loop Back Messages
- Transmitting Delay-Measure Requests
- Displaying Local MEPs
- Displaying Details for Local MEPs
- Displaying Local MIPs
- Displaying Remote MEPs
- Displaying Details for Remote MEPs
- Displaying the Link Trace Cache
- Displaying Fault Notification Settings
- Displaying Continuity Check Errors
- OAM Configuration
- UDLD Configuration
- LBD Configuration
- Smart Pair Configuration
- Multicast Filtering
- Overview
- Layer 2 IGMP (Snooping and Query for IPv4)
- Configuring IGMP Snooping and Query Parameters
- Specifying Static Interfaces for a Multicast Router
- Assigning Interfaces to Multicast Services
- Setting IGMP Snooping Status per Interface
- Filtering IGMP Query Packets and Multicast Data
- Displaying Multicast Groups Discovered by IGMP Snooping
- Displaying IGMP Snooping Statistics
- Filtering and Throttling IGMP Groups
- MLD Snooping (Snooping and Query for IPv6)
- Multicast VLAN Registration for IPv4
- Multicast VLAN Registration for IPv6
- Basic IP Functions
- IP Configuration
- General IP Routing
- IP Services
- Appendices
- Glossary
Chapter 8
| Congestion Control
Automatic Traffic Control
– 246 –
◆ Auto Release Control – Automatically stops a traffic control response of rate
limiting when traffic falls below the alarm clear threshold and the release timer
expires as illustrated in Figure 139 on page 242. When traffic control stops, the
event is logged by the system and a Traffic Release Trap can be sent.
(Default: Disabled)
If automatic control release is not enabled and a control response of rate
limiting has been triggered, you can manually stop the rate limiting response
using the Manual Control Release attribute. If the control response has shut
down a port, it can also be re-enabled using Manual Control Release.
◆ Alarm Fire Threshold – The upper threshold for ingress traffic beyond which a
storm control response is triggered after the Apply Timer expires. (Range: 1-255
kilo-packets per second; Default: 128 kpps)
Once the traffic rate exceeds the upper threshold and the Apply Timer expires,
a trap message will be sent if configured by the Trap Storm Fire attribute.
◆ Alarm Clear Threshold – The lower threshold for ingress traffic beneath which
a control response for rate limiting will be released after the Release Timer
expires, if so configured by the Auto Release Control attribute. (Range: 1-255
kilo-packets per second; Default: 128 kpps)
If rate limiting has been configured as a control response and Auto Control
Release is enabled, rate limiting will be discontinued after the traffic rate has
fallen beneath the lower threshold, and the Release Timer has expired. Note
that if a port has been shut down by a control response, it will not be re-
enabled by automatic traffic control. It can only be manually re-enabled using
Manual Control Release.
Once the traffic rate falls beneath the lower threshold and the Release Timer
expires, a trap message will be sent if configured by the Trap Storm Clear
attribute.
◆ Trap Storm Fire – Sends a trap when traffic exceeds the upper threshold for
automatic storm control. (Default: Disabled)
◆ Trap Storm Clear – Sends a trap when traffic falls beneath the lower threshold
after a storm control response has been triggered. (Default: Disabled)
◆ Trap Traffic Apply – Sends a trap when traffic exceeds the upper threshold for
automatic storm control and the apply timer expires. (Default: Disabled)
◆ Trap Traffic Release – Sends a trap when traffic falls beneath the lower
threshold after a storm control response has been triggered and the release
timer expires. (Default: Disabled)
◆ Manual Control Release – Manually releases a control response of rate-
limiting or port shutdown any time after the specified action has been
triggered.