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General| Model | JD320B |
|---|---|
| Category | Switch |
| Switching Capacity | 56 Gbps |
| Forwarding Rate | 41.7 Mpps |
| Power Supply | Internal |
| Ports | 24 x 10/100/1000 + 4 x SFP |
| Form Factor | Rack-mountable |
| MAC Address Table Size | 16, 000 entries |
| Jumbo Frame Support | Yes |
| VLAN Support | Yes |
| Quality of Service (QoS) | Yes |
Verifies device reachability and examines network connectivity using ICMP.
Traces Layer 3 devices in IP packet delivery to identify network availability.
Provides debugging functions and information to help diagnose system errors.
Explains Network Quality Analyzer (NQA) for testing network performance and service quality.
Outlines the tasks required to enable NQA server and client for tests.
Steps to configure the NQA server for TCP, UDP echo, UDP jitter, and voice tests.
Process for creating an NQA test group and configuring test parameters.
Commands for viewing NQA history, results, statistics, and server status.
Defines Network Time Protocol (NTP) for synchronizing distributed time servers and clients.
Explains the basic workflow of NTP for time synchronization between devices.
Details NTP operation modes: client/server, symmetric peers, broadcast, and multicast.
Lists the essential tasks for configuring NTP on network devices.
Introduction to Power over Ethernet (PoE) and its components.
Lists tasks for configuring PoE interfaces, detecting PDs, and power management.
Steps to enable the PoE function on a specific interface.
Commands to display PoE device information and interface power states.
Introduces SNMP as a protocol for network management and monitoring.
Describes SNMPv1, SNMPv2c, and SNMPv3 protocol versions and their features.
Outlines the tasks for configuring SNMP, including basic parameters and logging.
Commands for monitoring SNMP agent status, community information, and MIB views.
Introduces Remote Monitoring (RMON) for traffic analysis and device management.
Explains how RMON monitors traffic using probes and agents.
Details RMON groups: statistics, history, event, alarm, and private alarm.
Commands for viewing RMON statistics, history, and alarm configurations.
Explains cluster management for large-scale distributed device management.
Lists tasks for configuring cluster roles, communication, and functions.
Steps for manually or automatically establishing a cluster.
Commands for displaying NDP, NTDP, cluster, blacklist, and member information.
Defines port mirroring for packet analysis and monitoring traffic.
Details configuring local mirroring groups with ports, CPUs, and monitor ports.
Describes configuring remote mirroring groups for source and destination devices.
Commands to display port mirroring group configurations.
Explains traffic mirroring for packet analysis and monitoring.
Steps to configure traffic mirroring to an interface or the CPU.
Process for mirroring traffic to a specific destination interface using classifiers and behaviors.
Commands to display traffic behavior and QoS policy configurations.
Introduces stack configuration for managing network devices as a whole.
Steps to create a stack by configuring master and slave devices.
Lists tasks for configuring stack master, ports, and slave devices.
Commands to view stack member information and verify configuration.
Explains the information center's role in managing and classifying system information.
Details the eight severity levels used for classifying system information.
Steps to configure the system to output information to the console.
Feature to save security logs into a dedicated file for easier management.
Commands for displaying information channels, output destinations, and log buffers.
Introduction to Power over Ethernet (PoE) and its components.
Lists tasks for configuring PoE interfaces, detecting PDs, and power management.
Steps to enable the PoE function on a specific interface.
Commands to display PoE device information and interface power states.
