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Chapter 4: Software Description

• Packet Type: Sets the interface to accept all frame types, including tagged or

untagged frames, or only tagged frames (Default: All). If the Packet Type is set
to “All,” the port can accept incoming tagged and untagged packets. Any
received packets that are untagged are assigned to the default VLAN. Any
tagged packets will be dropped unless the port is a member of the VLAN
identified by the VLAN tag in the packet. If the Packet Type is set to “Tagged
Only,” the port will drop untagged packets and will only receive tagged packets.
Tagged packets will be dropped unless the port is a member of the VLAN
identified by the VLAN tag in the packet. Switches should be connected to each
other with the Packet Type set to “Tagged Only.”

• PVID: The PVID (Port VLAN ID) is associated with untagged ingress packets. It is

assigned to untagged frames received on the specified interface. The PVID has
no effect on ports that have Packet Type set to “Tagged Only” (Default PVID:1).
You can’t remove a port from VLAN 1 unless its PVID has been changed to
something other than 1. Outgoing packets are tagged unless the packet’s VLAN
ID is the same as the PVID. When the PVID is set to “None,” all outgoing
packets are tagged.

NOTE: If you select “Tagged Only” mode for a port, we recommend setting the

PVID to “None” as the standard configuration.

4.1.4 Aggregation

Port trunk allows multiple links to be bundled together and act as a single physical
link for increased throughput. It provides load balancing, and redundancy of links
in a switched inter-network. Actually, the link does not have an inherent total
bandwidth equal to the sum of its component physical links. Traffic in a trunk is
distributed across an individual link within the trunk using a method called a hash
algorithm. The hash algorithm automatically applies load balancing to the ports in
the trunk. A port failure within the trunk group causes the network traffic to be
directed to the remaining ports. Load balancing is maintained whenever a link in a
trunk is lost or returned to service.

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Содержание LGB708A-R2

Страница 1: ...mart Switch Order toll free in the U S Call 877 877 BBOX outside U S call 724 746 5500 FREE technical support 24 hours a day 7 days a week Call 724 746 5500 or fax 724 746 0746 Mailing address Black B...

Страница 2: ...uired to take whatever measures may be necessary to correct the interference Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to...

Страница 3: ...o superficie similar puede bloquea la ventilaci n no se debe colocar en libreros o gabinetes que impidan el flujo de aire por los orificios de ventilaci n 10 El equipo el ctrico deber ser situado fue...

Страница 4: ...sean derramados sobre la cubierta u orificios de ventilaci n 18 Servicio por personal calificado deber ser provisto cuando A El cable de poder o el contacto ha sido da ado u B Objectos han ca do o l...

Страница 5: ...Used in this Manual Trademarks Used in this Manual Black Box and the Double Diamond logo are registered trademarks of BB Technologies Inc Any other trademarks mentioned in this manual are acknowledged...

Страница 6: ...guration 14 4 1 1 System 14 4 1 2 Ports 16 4 1 3 VLAN 19 4 1 4 Aggregation 22 4 1 5 LACP 23 4 1 6 RSTP 24 4 1 7 802 1x 27 4 1 8 IGMP Snooping 31 4 1 9 Mirroring 32 4 1 10 QoS 34 4 1 11 Storm Control 3...

Страница 7: ...E TX IEEE 802 ab 1000BASE T IEEE 802 3z 1000BASE SX LX IEEE 802 3x flow control IEEE 802 1x port based network access control IEEE 802 1Q VLAN tagging IEEE 802 3ad port aggregation IEEE 802 1d spannin...

Страница 8: ...he power supply has UL EN55022 2010 Class A IEC61000 3 2 2005 A1 2008 A2 2009 IEC61000 3 3 2008 EN55024 2010 IEC61000 4 2 2008 IEC61000 4 3 2006 A1 2007 A2 2010 IEC61000 4 4 2004 A1 2010 IEC61000 4 5...

Страница 9: ...ium workgroups It can be installed where space is limited plus it provides smooth network migration and easy upgrade to network capacity In addition the switch features QoS Quality of Service Spanning...

Страница 10: ...ckbox com 1 8 Port Gigabit Web Smart Switch 1 power cord LGB708A US R2 includes U S power cord LGB708A R2 includes Japanese power cord This user s manual on CD ROM 2 4 Hardware Description Figures 2 1...

Страница 11: ...utton Press to reset the unit 2 Power LED On Power is on Off Power is off 3 7 FX 8 FX Link LEDs On SFP module is connected Off SFP module is disconnected 4 1000M Ports 1 8 LEDs On Gigabit link is conn...

Страница 12: ...t space with a power socket nearby The flat space should be clean smooth level and sturdy Make sure there is enough clearance around the switch to attach cables and power cord and enable air circulati...

Страница 13: ...ace 1 First open the Web browser and go to the 192 168 2 1 site You will see the login screen 2 Type in the password then click Apply The login process completes and the Password successfully entered...

Страница 14: ...0 blackbox com Chapter 4 Software Description Figure 4 2 Web functions 4 1 Configuration 4 1 1 System Configuration This page shows system configuration information You can configure the information s...

Страница 15: ...Page 15 724 746 5500 blackbox com Chapter 4 Software Description Figure 4 3 System configuration screen...

Страница 16: ...t that belongs to this VLAN Name Type in the new user name the default value is admin Password Type in the new password the default value is admin SNMP Enabled Enables or disables SNMP on the switch S...

Страница 17: ...hat run only up to 1 5 KB using jumbo frames significantly reduces the per packet overhead required to process protocol encapsulation fields Power Saving Mode Adjusts the power provided to ports based...

Страница 18: ...Page 18 724 746 5500 blackbox com Chapter 4 Software Description Figure 4 4 Port configuration screen...

Страница 19: ...ic from the members of the same VLAN Basically creating a VLAN on a switch is logically equivalent to reconnecting a group of network devices to another Layer 2 switch However all the network devices...

Страница 20: ...oftware Description Figure 4 6 VLAN screen VLAN Setup The switch supports up to 16 VLANs based on the 802 1Q standard From the VLAN Membership page you can create and delete VLANs and change the VLAN...

Страница 21: ...e the trunk instead Figure 4 8 VLAN per port configuration screen Port Trunk The port number of the port or the ID of a trunk VLAN Aware Enabled VLAN aware ports are able to use VLAN tagged frames to...

Страница 22: ...o effect on ports that have Packet Type set to Tagged Only Default PVID 1 You can t remove a port from VLAN 1 unless its PVID has been changed to something other than 1 Outgoing packets are tagged unl...

Страница 23: ...physical links together as a logical trunk and providing load balancing and fault tolerance for uplink connections LACP Port Configuration Port The port number Enabled Enables LACP on the associated p...

Страница 24: ...wever if all devices have the same priority the device with the lowest MAC address will then become the root device Numbers range between 0 61440 in increments of 4094 There are 16 distinct values Hel...

Страница 25: ...red trunk group Enabled Click on the tick box to enable disable the RSTP protocol for the port Edge Expect the port to be an edge port linking to an end station or a link to another STP device Path Co...

Страница 26: ...Page 26 724 746 5500 blackbox com Chapter 4 Software Description Figure 4 12 RSTP port configuration screen Figure 4 13 RSTP system priority drop down menu...

Страница 27: ...and EAP protocols Port based network access control PNAC ensures that all users are authorized before being granted access to the network User authentication is carried out using any standard based RA...

Страница 28: ...Page 28 724 746 5500 blackbox com Chapter 4 Software Description Figure 4 15 802 1x configuration screen...

Страница 29: ...746 5500 blackbox com Chapter 4 Software Description Figure 4 16 Mode disabled drop down menu in the 802 1x configuration screen Figure 4 17 Select force authorized or force unauthorized from the dro...

Страница 30: ...icated Range 1 3600 seconds Default 3600 seconds EAP timeout The time the switch will wait for the supplicant response before re transmitting a packet Range 1 255 Default 30 seconds Port Settings Figu...

Страница 31: ...witch adds the host s port number to the multicast list for that group And when the switch hears an IGMP leave it removes the host s port from the table entry It also prevents flooding of IP multicast...

Страница 32: ...to a network monitoring connection on another switch port This is commonly used for network appliances that require monitoring of network traffic such as an intrusion detection system Mirroring Config...

Страница 33: ...Page 33 724 746 5500 blackbox com Chapter 4 Software Description Figure 4 21 Mirroring configuration screen...

Страница 34: ...Services the egress queues in sequential order transmitting all traffic in the higher priority queues before servicing lower priority queues WRR Weighted Round Robin shares bandwidth at the egress po...

Страница 35: ...802 1p Packets are prioritized using the 802 1p field in the VLAN tag This field is three bits long representing the values 0 7 When the QoS Mode is set to 802 1p the 802 1p configuration table appea...

Страница 36: ...Page 36 724 746 5500 blackbox com Chapter 4 Software Description Figure 4 25 QoS prioritize traffic drop down menu Figure 4 26 QoS priorty drop down menu...

Страница 37: ...QoS Mode is set to DSCP the DSCP Configuration table is displayed allowing you to map each of the DSCP values to a hardware output queue low normal medium or high The default settings map all DSCP va...

Страница 38: ...oadcast traffic on your network performance can be severely degraded or everything can come to a complete halt You can protect your network from broadcast storms by setting a threshold for broadcast t...

Страница 39: ...hen the threshold is exceeded packets are dropped regardless of the flow control settings Web Click PORTS Storm Control This page enables you to set the broadcast storm control parameters for every po...

Страница 40: ...lackbox com Chapter 4 Software Description Figure 4 31 Statistic overview screen 4 2 2 Detailed Statics Figure 4 32 Detailed statistics screen 4 2 3 LACP Status LACP Aggregation Overview Figure 4 33 L...

Страница 41: ...rt number Port Active Shows if the port is a member of an active LACP group Partner Port Number A list of the ports attached at the remote end of this LAG link member Operational Port Key Current oper...

Страница 42: ...from among the device ports attached to the network Fwd Delay The maximum time in seconds the root device will wait before changing states that is discarding to learning to forwarding This delay is re...

Страница 43: ...Edge Port and the port will instead function as a point to point connection P2P Port Shows if this port is functioning as a Point to Point connection to exactly one other bridge The switch can automa...

Страница 44: ...ed Figure 4 38 IGMP status screen 4 2 6 VeriPHY VeriPHY Cable Diagnostics You can perform cable diagnostics for all ports or selected ports to diagnose any cable faults short open etc and feedback a d...

Страница 45: ...Page 45 724 746 5500 blackbox com Chapter 4 Software Description Figure 4 39 VeriPHY diagnostics screen Figure 4 40 VeriPHY cable diagnostics screen...

Страница 46: ...apter 4 Software Description Figure 4 41 Cable status screen Figure 4 42 Port drop down menu 4 2 7 Ping This command sends ICMP echo request packets to another node on the network Ping Parameters Targ...

Страница 47: ...ults of the ping command Normal response The normal response occurs in one to ten seconds depending on network traffic Destination does not respond If the host does not respond a timeout appears in te...

Страница 48: ...Page 48 724 746 5500 blackbox com Chapter 4 Software Description Figure 4 44 Target IP address drop down screen Figure 4 45 Refresh button...

Страница 49: ...Page 49 724 746 5500 blackbox com Chapter 4 Software Description Figure 4 46 Ping results screen...

Страница 50: ...the switch select Reset to Factory Defaults from the drop down list and click Apply The LAN IP Address Subnet Mask and Gateway IP Address will be reset to their factory defaults Figure 5 2 Software up...

Страница 51: ...on on the web management station Upload the config uration file to save a configuration or Download to restore a configuration Use the Browse button to choose a file location on the web management sta...

Страница 52: ...708A R2 version 2 About Black Box Black Box provides an extensive range of networking and infrastructure products You ll find everything from cabinets and racks and power and surge protection products...

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