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3Com Network Jack NJ2000

Page 24 of 44

Copyright © 2009 3Com Corporation. All Rights Reserved.

LACP Status Overview

This page displays the status of the LACP groups.

The LACP Aggregation table has one row for each LACP group. Normal means no LACP group is active. For
active LACP groups, a new row is created from which the status of its port members is displayed. Status of each port
is indicated by a colored box, which use color and number to differentiate status. There are two different tables on
this page:

Aggregation Information

- Information on the Link Aggregation Groups.

LACP Port Status

- Information includes Protocol Active, Partner Port Number, and Operational Port Key

There are two main buttons associated with this page:

HELP

- Displays this window.

REFRESH

- Reloads the current page with the latest configuration settings.

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Summary of Contents for NJ2000

Page 1: ...3Com Corporation 3Com Network Jack NJ2000 User Guidance Tom Kinahan 3 12 2009 ...

Page 2: ...unk Information 6 VLAN Information 6 Port Statistics 7 System Name 9 IP Address 10 Password Settings 11 Tools 12 Port Configuration 14 Speed Duplex 15 Flow Control 15 Storm Control 16 Port Mirroring 17 Port to Mirror to 18 Ports to Mirror 18 Cable Diagnostics 19 Trunk Membership 20 Working with Trunks 21 Trunk Setting 22 LACP Setting 23 LACP Status Overview 24 Aggregation Information 25 LACP Port ...

Page 3: ...s 33 LLDP Configuration 34 LLDP 34 LLDP Neighbor Table 35 RSTP Setting 36 RSTP status 38 QOS Configuration 39 802 1p 40 DSCP 40 SNMP Configuration 41 PoE Power over Ethernet Settings 42 Troubleshooting 44 Introduction There is no separate User Guide manual for the NJ2000 The NJ2000 Web interface includes context relevant help on the administration Web pages Where you wish to consult this help with...

Page 4: ... the switch Port Information Displays the configuration of every port on the switch Trunk Information Displays membership information for all trunks VLAN Information Displays the membership information for all VLANs Note This page displays an overview of the switch configuration To change the switch configuration use the Web Management Interface pages referenced on this page There are two main but...

Page 5: ... 100 1000BASE T Link Status Up indicates that the port is connected to another device Down indicates there is no connection The front panel image that is always visible at the top of the page also displays this information Speed Duplex Status An indication of the speed and duplex setting of the port This is a number the speed in Mbps followed by either FDX for full duplex or HDX for half duplex Th...

Page 6: ...1000M Trunk Status An indication of the speed and duplex setting of the trunk This is a number the speed in Mbps followed by either Full for full duplex or Half for half duplex This can be changed on the TRUNKS Settings page Ports The ports that are members of the trunk VLAN Information VLANs can be added on the VLANS VLAN Setup page The two columns in this table are used as follows VLAN ID A numb...

Page 7: ... number of inbound packets that contained errors preventing them from being deliverable to a higher layer protocol Transmitted Multicast Packets The total number of packets that higher level protocols requested be transmitted and which were addressed to a multicast address at this sub layer including those that were discarded or not sent Transmitted Broadcast Packets The total number of packets th...

Page 8: ...kets that higher level protocols requested be transmitted to a subnetwork unicast address including those that were discarded or not sent Transmitted Errors The number of outbound packets that could not be transmitted because of errors Received Normal Priority Packets The total number of received packets that set as High Priority in the QoS settings Transmitted Normal Priority Packets The total nu...

Page 9: ...e System Location can be up to 24 characters long System Contact The contact name for the switch The System Contact can be up to 24 characters long Note The System Name System Location and System Contact will accept all characters on the keyboard i e numbers upper case and lower case letters and keyboard symbols There are three main buttons associated with this page HELP Displays this window APPLY...

Page 10: ...If DHCP is enabled the word Fallback will be added to the front of the other parameter names to indicate the usage of a manually assigned IP Address Note If you change the IP address used by the switch you will lose contact with this Web Management Interface and may have to change the IP address on your PC to reconnect Note It is extremely important that you do not forget the IP Address of the swi...

Page 11: ...ure it has been entered correctly Note Can be up to 16 characters long and can consist of any alphanumeric characters Passwords are case sensitive Note It is extremely important that you do not forget your password If you forget your password you will have to manually reset the switch to its factory defaults See the Troubleshooting page for more details Power cycle will not reset the password Ther...

Page 12: ...e provided by 3Com Select Upgrade Firmware from the Tools drop down list then click on the Browse button to select the firmware file Normally you will use the wrp file for the upgrade Click the APPLY button to upgrade the selected switch firmware file After the file is successfully transferred the switch will be automatically restarted rebooted causing a temporary stopping all communication to and...

Page 13: ...or Download and then click on the Browse button to select the file Restart Switch To restart the switch select from the Tools drop down list and then click APPLY The reset will be complete when the user interface displays the login page There are three main buttons associated with this page HELP Displays this window APPLY Updates the switch configuration No changes are made to the configuration un...

Page 14: ...as one row for each port and four columns The columns are Port The front panel port number of the port This cannot be changed Speed Duplex A combined data rate and duplex setting for the port Flow Control Used to control congestion and to minimize the number of dropped packets There are three main buttons associated with this page HELP Displays this window APPLY Updates the switch configuration No...

Page 15: ...e link speed and duplex settings with the connected device this is called Auto negotiation All of the other settings cause Auto negotiation to be turned off Note In full duplex mode both ends of a connection can send traffic at the same time which effectively doubles the available throughput In half duplex mode only one end of the connection can send traffic at any one time Flow Control When Flow ...

Page 16: ...ary traffic by restricting the packet destination The same setting is applied to all the ports on the switch Enable Storm Control Click the check box to enable storm control for the specific frame type Rate number of frames per second The Rate field is set by a single drop down list The same threshold is applied to every port on the switch When the threshold is exceeded packets are dropped irrespe...

Page 17: ...ons Port to Mirror to Choose the destination port All the mirrored packets will be sent to the selected port Ports to Mirror The front panel port number Note You cannot mirror the destination port There are three main buttons associated with this page HELP Displays this window APPLY Updates the switch configuration No changes are made to the configuration until this button is pressed CANCEL All ch...

Page 18: ...oadcast and Multicast packets are not mirrored since they are flooded to all ports anyway Ports to Mirror There are two columns in this table One is titled Port and one is titled Mirroring Enabled Port The front panel port number Mirroring Enabled This field is associated with the port number that is displayed immediately on its left Click on the tick box to enable disable Port Mirroring for the p...

Page 19: ...ult Cable Diagnostics Cable diagnostics is performed on a per port basis Select the port number from the drop down list Cable Status Shows the cable length operating conditions and isolates a variety of common faults that can occur on Category 5 twisted pair cabling There are two main buttons associated with this page HELP Displays this window APPLY Updates the switch configuration No changes are ...

Page 20: ... is the default state Trunk T1 T4 These columns correspond to the 4 trunks that are supported by the switch Clicking on the radio button in any one of these columns causes the port to become a member of the corresponding trunk Each trunk can have a maximum of 4 ports and a minimum of 2 ports When a trunk is first created it is given the following default configuration Speed Duplex is set to Auto S...

Page 21: ...te a trunk or add a port to an existing trunk from the TRUNKS Membership page 1 Under one of the trunk columns Trunk T1 to Trunk T4 click the tick box of the port you would like to add to the trunk You can choose a maximum of 4 ports or minimum of 1 port per trunk 2 Click the APPLY button To delete a trunk or remove a port from an existing trunk from the TRUNKS Membership page 1 Under the Not a Tr...

Page 22: ...e and duplex setting for the port Flow Control Used to control congestion and to minimize the number of dropped packets Member Ports The individual ports that go together to make the trunk i e the members of the trunk Note When configuring a trunk all member ports are configured identically There are three main buttons associated with this page HELP Displays this window APPLY Updates the switch co...

Page 23: ...s on another device are also configured as LACP the switch and the other device will negotiate a trunk link between them If an LACP trunk consists of more than four ports all other ports will be placed in a standby mode Should one link in the trunk fail one of the standby ports will automatically be activated to replace it The LACP Table has one row for each port and three columns The columns are ...

Page 24: ...ich the status of its port members is displayed Status of each port is indicated by a colored box which use color and number to differentiate status There are two different tables on this page Aggregation Information Information on the Link Aggregation Groups LACP Port Status Information includes Protocol Active Partner Port Number and Operational Port Key There are two main buttons associated wit...

Page 25: ...Port Aggregated Displays port member list of the local LACP group The port members are ports on this switch Seconds Since Last Changed Number of seconds since the last LACP was received LACP Port Status The following information is displayed for LACP port status Port Displays the ID number of the LACP group Protocol Active Shows if the port is a member of the active LACP group Partner Port Number ...

Page 26: ...lt to set up properly If you are unfamiliar with VLANs please see the Introduction to VLANs To create a VLAN enter a VLAN ID into the VLAN ID field After clicking the ADD button you will be directed to the 802 1Q VLAN Group page to add port members to the VLAN Each row of the table corresponds to one VLAN There are four main buttons associated with this page HELP Display this window ADD Create a V...

Page 27: ...each port on the switch VLAN IDs VLAN membership PVID and Packet Type Note that the ports within a Trunk cannot be configured individually configure the Trunk instead Trunks are labeled T1 to T4 VLAN IDs VLAN 1 is a special VLAN it cannot be deleted and if there is a possibility that a port could become isolated the Web User interface will add the port to VLAN 1 You can add up to 64 VLANs to the c...

Page 28: ...ed and untagged packets Untagged packets will be associated with the VLAN identified by the PVID Tagged packets will be dropped unless the port is a member of the VLAN identified by the VLAN tag in the packet Outgoing packets will be tagged unless the packet s VLAN ID is the same as the PVID If the Packet Type is set to Tagged the port will drop untagged packets and will only send and receive tagg...

Page 29: ...e you will be directed to this page This page allows you to select the ports to include as a member of the newly created VLAN There are three main buttons associated with this page APPLY Updates the switch configuration No changes are made to the configuration until this button is pressed CANCEL All changes made to the page are discarded and the switch configuration remains unchanged ...

Page 30: ...ware Enabled VLAN aware ports are able to use VLAN tagged frames to determine the destination of the frame Click to enable or disable VLAN awareness mode for this port Default Enabled Ingress Filtering Enabled If enabled incoming frames for VLANs which do not include this ingress port as a member will be discarded Default Disabled PVID Set the Port VLAN ID Default All Packet Type Set a port s hand...

Page 31: ...nnel to easily intrude and possibly gain access to sensitive network data With IEEE 802 1X 802 1X access to all switch ports in a network can be centrally controlled from a server which means that authorized users can use the same credentials for authentication from any point within the network There are three main buttons associated with this page HELP Displays this window APPLY Updates the switc...

Page 32: ... is plugged into a switch port Reauthentication Period Sets the time period after which a connected client must be re authenticated EAP timeout The time the switch shall wait for the supplicant response before re transmitting a packet Port Setting Port The port number Admin State Sets the authentication mode to one of the following options o Auto Requires an 802 1X aware client to be authorized by...

Page 33: ...d with this page HELP Displays this window REFRESH Resends the information Port Statistics Statistics can be viewed on a per port basis Select the port that you want to view here Authenticator counters General statistics for authenticator Backend Authenticator counters General statistics for RADIUS server 802 1X MIB counters MIB module defined for 802 1X Other statistics ...

Page 34: ...Displays this window APPLY Updates the switch configuration No changes are made to the configuration until this button is pressed REFRESH Reloads the current page with the latest configuration settings LLDP Link Layer Discovery Protocol LLDP allows devices on the network to share information about themselves for the reasons of simplified troubleshooting enhanced network management and maintaining ...

Page 35: ...ID The chassis information where the device is located Remote Port ID The remote port ID on the neighboring device System Name The devices full name Port Description The port description and information of the neighboring device System Capabilities The system capabilities information of the device Management Address Displays the management address There are two main buttons associated with this pa...

Page 36: ...h physical links in a switch should forward frames The page is composed of two tables RSTP System Configuration Configure global system settings RSTP Port Configuration Setup port related settings There are three main buttons associated with this page HELP Displays this window APPLY Updates the Switch configuration No changes are made to the configuration until this button is pressed REFRESH Refre...

Page 37: ...herefore there are 16 distinct values Hello Time Interval in seconds at which the root device transmits a configuration message BPDU frame Number between 1 10 default is 2 Max Age The maximum time in seconds a device can wait without receiving a configuration message before attempting to reconfigure That also means the maximum life time for a BPDU frame Number between 6 40 default is 20 Forward De...

Page 38: ...RSTP Bridge Overview The RSTP Bridge Overview table has one row to display settings for the whole switch Hello Time Maximum Age and Forward Delay are displayed Topology shows the switch current state Root ID indicates the root port ID for the switch RSTP Port Status The table has one row for each port and seven columns The columns are Port Trunk Port Trunk ID number Path Cost Show the path cost on...

Page 39: ...priority frames Head of queue blocking maybe encountered by using this mode WRR In this mode all priorities can be guaranteed a share of the bandwidth when the system is overloaded The bandwidth sharing percentage can be adjusted by specifying the four QOS class with different ratio in WRR Weight which appears after WRR is enabled in Queue Mode Note WRR is selectable when Jumbo Frame is disabled i...

Page 40: ... Priority to set all values to medium priority or select All High Priority to set all values to high priority Use Custom if you want to set each value individually Note Because end stations like PCs are not usually VLAN aware they do not create VLAN tagged frames As a result this method of prioritization is not ideal when there are a lot of PCs connected to the Switch DSCP The Differentiated Servi...

Page 41: ...ement station SNMP trap destination specifies the IP address of the trap manager SNMP Read Community A community string that acts like a password and permits access to the SNMP protocol The read community string specifies read only access Authorized management stations are only able to retrieve MIB objects SNMP Write Community Specifies read write access Authorized management stations are able to ...

Page 42: ...switch before power is supplied If the power required by a device exceeds the power budget of the port or the whole switch power is not supplied The power source for the NJ2000 determines if PSE ethernet ports 1 and 2 can be used as 802 3af ports If the NJ2000 uplink port PD is connected to a high power midspan 802 3at POE device or the external 48VDC power adapter is being used PSE ethernet ports...

Page 43: ... Displays the percentage of power budget 15 4W being drawn by attached devices Port The port number PoE Enabled The administrative status of PoE power on the port Delivering Power The current operating status of PoE power on the port Current The current power consumption on the port Priority The port s configured power priority setting Range Low High Default Port 1 as High Port 2 as Low PD Class T...

Page 44: ...e network 2 Two pass through ports The pass through ports bypass the functionality of the switch and are directly wired to the associated pass through ports on the rear of the unit 3 Power LEDs Indicate whether the NJ2000 is being powered by a local power supply DC or PoE 4 Uplink LED Indicates network connection status for the uplink port on the rear of the unit 5 Local Power Socket Can be used t...

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