User manual
Table Of Contents
- Introduction
- Product Overview
- Installation and Quick Startup
- Package Contents
- Switch Installation
- Installing the Switch in a Rack
- Quick Starting the Switch
- System Information Setup
- Quick Start up Software Version Information
- Quick Start up Physical Port Data
- Quick Start up User Account Management
- Quick Start up IP Address
- Quick Start up Uploading from Switch to Out-of-Band PC
- Quick Start up Downloading from Out-of-Band PC to Switch
- Quick Start up Downloading from TFTP Server
- Quick Start up Factory Defaults
- Console and Telnet Administration Interface
- Web-Based Management Interface
- Command Line Interface Structure and Mode-based CLI
- Switching Commands
- System Information and Statistics commands
- Device Configuration Commands
- Interface
- L2 MAC Address and Multicast Forwarding Database Tables
- VLAN Management
- Double VLAN commands
- GVRP and Bridge Extension
- IGMP Snooping
- IGMP Snooping Querier
- MLD Snooping
- MLD Snooping Querier
- Port Channel
- Storm Control
- L2 Priority
- Port Mirror
- Link State
- Port Backup
- FIP Snooping
- Enhanced Transmission Selection (ETS)
- Congestion Notification
- Management Commands
- Spanning Tree Commands
- System Log Management Commands
- Script Management Commands
- User Account Management Commands
- Security Commands
- CDP (Cisco Discovery Protocol) Commands
- SNTP (Simple Network Time Protocol) Commands
- MAC-Based Voice VLAN Commands
- LLDP (Link Layer Discovery Protocol) Commands
- Denial Of Service Commands
- VTP (VLAN Trunking Protocol) Commands
- Protected Ports Commands
- Static MAC Filtering Commands
- System Utilities
- DHCP Snooping Commands
- IP Source Guard (IPSG) Commands
- Dynamic ARP Inspection (DAI) Command
- Differentiated Service Command
- ACL Command
- IPv6 ACL Command
- CoS (Class of Service) Command
- Domain Name Server Relay Commands
- Routing Commands
- IP Multicast Commands
- IPv6 Commands
- Web-Based Management Interface
- Overview
- System Menu
- View ARP Cache
- Viewing Inventory Information
- Configuring Management Session and Network Parameters
- Defining Forwarding Database
- Viewing Logs
- Managing Switch Interface
- Defining sFlow
- Defining SNMP
- Viewing Statistics
- Managing System Utilities
- Managing CDP Function
- Defining Trap Manager
- Configuring SNTP
- Defining DHCP Client
- Defining DNS Relay Function
- Switching Menu
- Managing DHCP Snooping
- Managing IP Source Guard (IPSG)
- Managing Dynamic ARP Inspection (DAI)
- Managing Filters
- Managing Port-based VLAN
- Managing Protected Ports
- Managing Protocol-based VLAN
- Managing IP Subnet-based VLAN
- Managing MAC-based VLAN
- Managing MAC-based Voice VLAN
- Managing Voice VLAN
- Defining GARP
- Managing IGMP Snooping
- Managing IGMP Snooping Querier
- Managing MLD Snooping
- Managing MLD Snooping Querier
- Managing Port-Channel
- Viewing Multicast Forwarding Database
- Managing Spanning Tree
- Defining 802.1p priority
- Managing Port Security
- Managing LLDP
- Managing LLDP-MED
- Managing VTP
- Managing Link State
- Managing Port-Backup
- Managing FIP-Snooping
- Routing Menu
- Security Menu
- IPv6 Menu
- Configuring IPv6 Global Configuration Page
- Configuring IPv6 Interface Configuration Page
- Viewing IPv6 Interface Summary Page
- Viewing IPv6 Interface Statistics Page
- Viewing IPv6 Neighbor Table Information Page
- Viewing IPv6 Static Neighbor Table Information Page
- Managing OSPFv3 Protocol
- Managing IPv6 Routes
- Managing RIPv6
- QOS Menu
- IPv4 Multicast Menu
- IPv6 Multicast Menu

- 139 -
Mode: Indicates whether or not the group is active.
MAC Update: Indicates whether or not mac-move-update is enable on the group.
Active Port: Display the active port number.
Backup Port: Display the active port number.
Current Active Port: Display the current active port number.
7.2.15.2 port-backup
Enable/Disable the port backup admin mode. Use ‘port-backup’ to enable the admin mode of function,
and use no command to disable the function.
Create/Destroy the port backup group. Use ‘port-backup group’ to create a group. Use no command to
destroy the group.
Enable/Disable a port-backup group. Use ‘port-backup group enable <group id> to enable individual
group, and use no command to disable a group.
Enable/Disable a port-backup group support the mac-move-update. Use ‘port-backup group <group id>
mac-move-update to enable individual group, and use no command to disable a group.
Syntax
port-backup [group | {enable <1 - 6>| <1 - 6> [failback-time <0 - 60>| mac-move-update]}]
no port-backup [group | {enable <1 - 6>| <1 - 6> [failback-time <0 - 60>| mac-move-update]}]
no - This command disables port-backup function.
Command Mode
Global Config
7.2.15.3 port-backup group
Set active port or backup port for a port-backup group. Use ‘port-backup group <group id> <active |
backup>’ to set the port to be configured active or configured backup port.
Syntax
port-backup group <1-6> {active | backup}
no port-backup group <1-6> {active | backup}
no - This command disables port-backup group function.
Command Mode
Interface Config