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

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Changing the default distance does not update the distance of existing static routes, even if they were
assigned the original default distance. The new default distance will only be applied to static routes
created after invoking the ipv6 route distance command.
Syntax
ipv6 route distance <1-255>
no ipv6 route distance
no – This command resets the default static route preference value in the router to the original default
preference. Lower routepreference values are preferred when determining the best route.
Default Setting
1
Command Mode
Global Config
10.3.2.9 ipv6 mtu
This command sets the maximum transmission unit (MTU) size, in bytes, of IPv6 packets on an interface.
This command replaces the default or link MTU with a new MTU value.
Syntax
ipv6 mtu <1280-1500>
no ipv6 mtu
no – This command resets maximum transmission unit value to default value.
Default Setting
0 or link speed (MTU value is 1500)
Command Mode
Interface Config
10.3.2.10 ipv6 nd dad attempts
This command sets the number of duplicate address detection probes transmitted. Duplicate address
detection verifies that an IPv6 address on an interface is unique.
Syntax
ipv6 nd dad attempts <0 – 600>