NEC N8406-022 manual Layer 2 information

Page 24

The following table describes the user status information.

Table 16

User status Information

Field

Usage

user

Displays the status of the user access level.

oper

Displays the status of the oper (operator) access level.

admin

Displays the status of the admin (administrator) access level.

Layer 2 information

The following table describes the Layer 2 Information commands. The following sections provide more detailed information and commands.

Table 17 Layer 2 information commands

Command

Usage

show mac-address-table

Displays Forwarding Database Information.

 

Command mode: All

show spanning-tree

In addition to seeing if STP is enabled or disabled, you can

 

view the following STP bridge information:

 

Priority

 

Hello interval

 

Maximum age value

 

Forwarding delay

 

Aging time

 

You can also refer to the following port-specific STP

 

information:

 

Port number and priority

 

Cost

 

State

Command mode: All

show spanning-tree mstp cist information

Displays Common internal Spanning Tree (CIST) bridge information, including the following:

Priority

Hello interval

Maximum age value

Forwarding delay

You can also view port-specific CIST information, including the following:

Port number and priority

Cost

State

Command mode: All

show portchannel information

When trunk groups are configured, you can view the state

 

of each port in the various trunk groups.

 

Command mode: All

show vlan information

Displays VLAN configuration information, including:

 

VLAN Number

 

VLAN Name

 

Status

 

Port membership of the VLAN

 

Command mode: All

show layer2

Dumps all switch information available from Layer 2

 

memory (10K or more, depending on your configuration).

 

If you want to capture dump data to a file, set your

communication software on your workstation to capture session data prior to issuing the dump commands. Command mode: All

Information Commands 24

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Contents N8406-022 1Gb Intelligent L2 Switch Page Contents Statistics commands Operations Commands Connecting to the switch Iscli ReferenceIntroduction Additional referencesSetting an IP address Telnet 1Gb Intelligent L2 Switch IP addressEstablishing a Telnet connection Establishing an SSH connectionAccessing the switch # ssh user@1Gb Intelligent L2 Switch IP addressIdle timeout Typographical conventionsPing IP address Show portchannel 1-12hashinformationShow ip interface Show spanning-tree stpAccessing the Iscli Iscli Command ModesIscli basics Global commands Command line interface shortcuts Command abbreviationSwitchconfig# spanning-tree stp 1 bridge hello Switchconfig# sp stp 1 br hInformation Commands System Information commands SNMPv3 Information commandsSNMPv3 USM User Table information SNMPv3 View Table informationUser Name ProtocolSNMPv3 Access Table information View NameGroup Name PrefixSNMPv3 Group Table information SNMPv3 Community Table informationSec Model Index Name User Name Tag Trap1 Public V1v2only V1v2trapSNMPv3 Target Address Table information SNMPv3 Target Parameters Table informationSec Level SNMPv3 Notify Table information NameTag V1v2trapv1v2trapShow snmp-server v3 Command mode All SNMPv3 dumpSystem information Usernames Enabled Oper Disabled Admin Always Enabled Show recent syslog messagesSystem user information Layer 2 information FDB information commands Show all FDB informationSpanning Tree information Show spanning-tree stp 1-32informationRapid Spanning Tree and Multiple Spanning Tree information Priority bridge Designated bridgeCommon Internal Spanning Tree information Desg 8000-000342fa3b80 8001 P2P, Edge 128 2000Desg 8000-000342fa3b80 8002 128 2000 128 2000Disabled DSB Cist RootDiscarding DISC, Learning LRN, Forwarding FWD, or Trunk group 1, Enabled port state STG 1 forwarding Trunk group informationVlan information Layer 3 information ARP informationShow layer3 information Command mode All IP informationShow all ARP entry information ARP address list informationIgmp multicast group information Igmp multicast router port informationRmon Information Rmon history informationRmon alarm information Show rmon alarmInterval Rmon event information Show rmon eventLink status information Port information Port Tag Rmon PvidVLANs Show geaport Command mode All Logical Port to GEA Port mappingUplink Failure Detection information Information dump Statistics commands Port StatisticsBridging statistics Ethernet statisticsDot3StatsAlignmentErrors Dot3StatsFCSErrorsDot3StatsInternalMacTransmitError Dot3StatsSingleCollisionFramesInterface statistics Internet Protocol IP statistics Show interface gigabitethernet port number ip-countersLayer 2 statistics Link statisticsFDB statistics Show interface gigabitethernet port number link-countersLayer 3 statistics IP statisticsARP statistics ARP statistics ArpEntriesCur ArpEntriesHighWaterDNS statistics Icmp statisticsDNS statistics DnsInRequests DnsOutRequests DnsBadRequests TCP statistics UDP statistics Management Processor statistics Igmp Multicast Group statisticsShow mp tcp-block Show mp udp-block10ad41e8/10ad5790 All UDP allocated control blocks Listen161 Show snmp-server counters Command mode All except User Exec CPU statisticsSnmp statistics Decoding Snmp messages received Show ntp counters Command mode All NTP statisticsUplink Failure Detection statistics Statistics dumpConfiguration Commands Saving the configurationSystem configuration Viewing and saving changesSystem host log configuration Secure Shell Server configuration Radius server configuration TACACS+ server configuration NTP server configuration System Snmp configuration SNMPv3 configuration User Security Model configuration Privacy-password passwordPrivacy-protocol desnone No snmp-server userSNMPv3 View configuration View-based Access Control Model configurationSNMPv3 Group configuration SNMPv3 Community Table configurationSNMPv3 Target Address Table configuration SNMPv3 Target Parameters Table configurationSNMPv3 Notify Table configuration System Access configurationManagement Networks configuration User Access Control configuration User ID configurationHttps Access configuration Port configuration Temporarily disabling a portLayer 2 configuration Port link configurationSpanning-tree mrst Mode Spanning-tree mrst EnableSpanning-tree mstp NameCommon Internal Spanning Tree configuration Cist bridge configurationCist port configuration Spanning Tree configuration Bridge Spanning Tree configuration Spanning Tree port configuration Forwarding Database configuration Trunk configurationStatic FDB configuration Layer 3 configuration Vlan configurationIP interface configuration Default Gateway configurationAddress Resolution Protocol configuration Igmp configurationIgmp snooping configuration Igmp static multicast router configuration Igmp filtering configurationDomain Name System configuration Igmp filtering port configurationIgmp filter definition Remote Monitoring configuration Rmon history configurationRmon event configuration Rmon alarm configuration Uplink Failure Detection configuration Port mirroringPort-based port mirroring Configuration Dump Failure Detection Pair configurationLink to Monitor configuration Link to Disable configurationSaving the active switch configuration Restoring the active switch configurationOperations Commands Operations-level port optionsBoot Options Updating the switch software imageDownloading new software to the switch Router# copy tftp image1image2boot-imageUploading a software image from the switch Routerconfig# boot image image1image2Switch# copy image1image2boot-image tftp Selecting a software image to runSelecting a configuration block Resetting the switchAccessing the AOS CLI Maintenance Commands System maintenanceForwarding Database maintenance ARP cache maintenance Debugging optionsIgmp Snooping maintenance Igmp Mrouter maintenanceUuencode flash dump Panic command Switch# copy flash-dump tftp server filenameSwitch# clear flash-dump Tftp system dump putUnscheduled system dumps Index
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N8406-022 specifications

The NEC N8406-022 is a robust and versatile networking device designed primarily for organizations requiring high-performance connectivity solutions. As part of NEC's extensive portfolio of networking equipment, the N8406-022 is engineered to address the demands of modern enterprise environments, ensuring seamless communication and data processing capabilities.

One of the key features of the N8406-022 is its multi-layer switching functionality. This device supports Layer 2 and Layer 3 switching, allowing for efficient data routing and reducing latency within local area networks (LANs). This capability is particularly beneficial for businesses that rely on real-time data access and transfer, such as those in financial services, media, and telecommunications.

The N8406-022 is equipped with advanced Quality of Service (QoS) features that help prioritize critical network traffic. This means that voice and video data packets can be given precedence over less time-sensitive information, ensuring that essential communication remains clear and uninterrupted. This is crucial for organizations leveraging VoIP and video conferencing solutions.

In terms of connectivity, the NEC N8406-022 offers a variety of ports, including multiple Gigabit Ethernet ports, which facilitate high-speed data transfer and enable seamless integration into existing network infrastructures. The device may also include 10 Gigabit SFP+ ports, providing the flexibility for high-capacity uplinks to support bandwidth-intensive applications and storage solutions.

Security is another focal point of the NEC N8406-022, with integrated features such as VLAN support, access control lists (ACLs), and port security measures. These capabilities protect sensitive data from unauthorized access and ensure that only legitimate users and devices can connect to the network.

Moreover, the N8406-022 often incorporates advanced energy-efficient technologies that minimize power consumption without compromising performance. This not only contributes to operational cost savings but also supports organizations in their sustainability efforts.

With its combination of performance, security, and energy efficiency, the NEC N8406-022 stands out as a reliable networking solution suitable for a wide range of enterprises looking to enhance their connectivity and operational efficiency. Whether deployed in data centers or as part of a corporate network, this device is built to meet the evolving demands of today’s digital landscape.