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Chapter 1 BayStack 380 Switch

212859-A

Summary of Contents for BayStack 380

Page 1: ...Part No 212859 A September 2002 4655 Great America Parkway Santa Clara CA 95054 Using the BayStack 380 10 100 1000 Switch ...

Page 2: ...clause at DFARS 252 227 7013 Notwithstanding any other license agreement that may pertain to or accompany the delivery of this computer software the rights of the United States Government regarding its use reproduction and disclosure are as set forth in the Commercial Computer Software Restricted Rights clause at FAR 52 227 19 Statement of conditions In the interest of improving internal design op...

Page 3: ... BSMI Statement Canada Requirements Only Canadian Department of Communications Radio Interference Regulations This digital apparatus Baystack 380 Switch does not exceed the Class A limits for radio noise emissions from digital apparatus as set out in the Radio Interference Regulations of the Canadian Department of Communications Règlement sur le brouillage radioélectrique du ministère des Communic...

Page 4: ...hird party the Software or any information about the operation design performance or implementation of the Software and user manuals that is confidential to Nortel Networks and its licensors however Licensee may grant permission to its consultants subcontractors and agents to use the Software at Licensee s facility provided they have agreed to use the Software only in accordance with the terms of ...

Page 5: ...ng effective at the date of expiration of the Nortel Networks copyright those restrictions relating to use and disclosure of Nortel Networks confidential information shall continue in effect Licensee may terminate this license at any time The license will automatically terminate if Licensee fails to comply with any of the terms and conditions of the license Upon termination for any reason Licensee...

Page 6: ...6 212859 A ...

Page 7: ...s 27 LED display panel 29 Back panel 32 Redundant power supply unit RPSU and uninterruptible power supply UPS 32 DC DC module 33 AC power receptacle 33 Features 36 Virtual Local Area Networks VLANs 37 Security 37 RADIUS based network security 40 MAC address based security 40 Flash memory storage 41 Switch software image storage 41 Configuration parameters storage 41 MultiLink Trunking 41 Port mirr...

Page 8: ...anning multiple 802 1Q tagged switches 60 VLANS spanning multiple untagged switches 61 Shared servers 63 VLAN workgroup summary 68 VLAN configuration rules 70 Independent VLANs IVL 70 IEEE 802 1p Prioritizing 71 MultiLink Trunks 74 Client server configuration using MultiLink Trunks 76 Split MultiLink Trunks 78 Trunk configuration screen examples 78 Trunk configuration screen for Switch S1 79 Trunk...

Page 9: ... Menu screen 111 MAC Address Security Port Configuration screen 115 MAC Address Security Table screens 117 VLAN Configuration Menu screen 120 VLAN Configuration screen 121 VLAN Port Configuration screen 124 VLAN Display by Port screen 126 VLAN Traffic Class Configuration screen 127 Port Configuration screen 131 High Speed Flow Control Configuration screen 134 Choosing a high speed flow control mod...

Page 10: ... Diagnosing and correcting problems 174 Normal power up sequence 175 Port connection problems 175 Autonegotiation modes 176 Port interface 177 Appendix A Technical specifications 179 Environmental 179 Electrical 180 Physical dimensions 180 Performance specifications 181 Network protocol and standards compatibility 181 Safety agency certification 182 Electromagnetic emissions 182 Electromagnetic im...

Page 11: ...ion Multiplexed CWDM Small Form Factor Pluggable SFP Gigabit Interface Converters 194 CWDM SFP GBIC description 194 About the optical routing system 194 CWDM SFP GBIC specifications 196 Appendix C Quick configuration for MultiLink Trunking 199 Appendix D Connectors and pin assignments 201 RJ 45 10BASE T 100BASE TX 1000BASE TX port connectors 201 MDI and MDI X devices 203 MDI X to MDI cable connect...

Page 12: ...12 Contents 212859 A ...

Page 13: ...ent 58 Figure 14 802 1Q tag assignment 59 Figure 15 802 1Q tagging after 802 1Q tag assignment 59 Figure 16 VLANs spanning multiple 802 1Q tagged switches 60 Figure 17 VLANs spanning multiple untagged switches 61 Figure 18 Possible problems with VLANs and Spanning Tree Protocol 62 Figure 19 Multiple VLANs sharing resources 63 Figure 20 VLAN broadcast domains within the switch 64 Figure 21 Default ...

Page 14: ...44 Console interface main menu 96 Figure 45 IP Configuration Setup screen 99 Figure 46 SNMP Configuration screen 104 Figure 47 System Characteristics screen 106 Figure 48 Switch Configuration Menu screen 108 Figure 49 MAC Address Table screen 110 Figure 50 MAC Address Security Configuration Menu screen 112 Figure 51 MAC Address Security Configuration screen 113 Figure 52 MAC Security Port Configur...

Page 15: ...ure 75 Spanning Tree Configuration Menu screen 155 Figure 76 Spanning Tree Port Configuration screen 1 of 2 157 Figure 77 Spanning Tree Port Configuration screen 2 of 2 157 Figure 78 Spanning Tree Switch Settings screen 159 Figure 79 TELNET Configuration screen 162 Figure 80 Software Download screen for a BayStack 380 Switch 166 Figure 81 Configuration File Download Upload screen 168 Figure 82 LED...

Page 16: ...16 Figures 212859 A ...

Page 17: ... fields 111 Table 14 MAC Address Security Configuration Menu options 112 Table 15 MAC Address Security Configuration screen fields 114 Table 16 MAC Security Port Configuration screen fields 116 Table 17 MAC Address Security Table screen fields 119 Table 18 VLAN Configuration Menu options 121 Table 19 VLAN Configuration screen fields 122 Table 20 VLAN Port Configuration screen fields 125 Table 21 V...

Page 18: ... 380 switch LED descriptions 172 Table 42 Corrective actions 175 Table 43 Environmental specifications 179 Table 44 Electrical parameters 180 Table 45 Physical dimensions 180 Table 46 Performance specifications 181 Table 47 Nortel Networks SFP GBIC models 183 Table 48 SFP GBIC specifications 190 Table 49 1000BASE SX SFP GBIC specifications 191 Table 50 1000BASE LX SFP GBIC specifications 192 Table...

Page 19: ... in this document Before you begin This guide is intended for network managers and administrators with the following background Basic knowledge of networks Ethernet bridging and IP Familiarity with networking concepts and terminology Specific knowledge about the networking devices protocols topologies and interfaces that comprise your network Experience with windowing systems graphical user interf...

Page 20: ...criptions where there is more than one option You must choose only one of the options Do not type the braces when entering the command Example If the command syntax is show ip alerts routes you must enter either show ip alerts or show ip routes but not both brackets Indicate optional elements in syntax descriptions Do not type the brackets when entering the command Example If the command syntax is...

Page 21: ...variable and you substitute one value for it screen text Indicates system output for example prompts and system messages Example Set Trap Monitor Filters separator Shows menu paths Example Protocols IP identifies the IP option on the Protocols menu vertical line Separates choices for command keywords and arguments Enter only one of the choices Do not type the vertical line when entering the comman...

Page 22: ...hardware that are not covered in other related publications Getting Started with the BayStack 380 Management Software part number 212861 A Describes how to install the Java based device level software management application Reference for the BayStack 380 Management Software part number 212862 Describes how to use the Java based device level software management application You can print selected te...

Page 23: ...urchased a Nortel Networks service program contact one of the following Nortel Networks Technical Solutions Centers An Express Routing Code ERC is available for many Nortel Networks products and services When you use an ERC your call is routed to a technical support person who specializes in supporting that product or service To locate an ERC for your product or service go to the www12 nortelnetwo...

Page 24: ...24 Preface 212859 A ...

Page 25: ...pter 1 BayStack 380 Switch This chapter introduces the BayStack 380 Switch and covers the following topics Physical description next Features on page 36 Physical description Figure 1 depicts the front and side views of the BayStack 380 Switch Figure 1 BayStack 380 Switch 10463FA ...

Page 26: ...ustomize your network using the supplied menus and screens see Chapter 3 Using the console interface on page 93 Table 1 Components on the BayStack 380 Switch front panel Item Description 1 Console port 2 10 100 1000BASE TX RJ 45 Port connectors 3 Small Form Factor Pluggable SFP Gigabit Interface Converter mini GBIC 4 LED display panel 10464EA BayStack 380 24T Switch Console 21 22 In use 23 Pwr Sta...

Page 27: ...ned for use with Nortel Networks products to allow Gigabit Ethernet ports to link with Short Wavelength SX Long Wave length LX and Coarse Wavelength Division Multiplexed CWDM fiber optic networks Port connectors The BayStack 380 Switch uses 10 100 1000BASE TX RJ 45 8 pin modular port connectors The 10 100 1000BASE TX port connectors feature auto MDI X media dependent interface crossover These port...

Page 28: ...the polarity of a pair of pins from positive to negative or negative to positive This corrects the polarity of the received data if the port detects that the polarity of the data has been reversed due to a wiring error The 10 100 1000BASE TX switch ports also support half and full duplex mode operation at 10 Mb s and 100 Mb s refer to Installing the BayStack 380 10 100 1000 Switch The 10 100 1000B...

Page 29: ...el Figure 3 shows the BayStack 380 Switch LED display panel See Table 2 for a description of the LEDs Figure 3 BayStack 380 Switch LED display panel 21 22 In use 23 Pwr Status RPSU 24 1 5 7 9 11 13 15 17 19 3 2 6 8 10 12 14 16 18 20 21 23 10 100 1000 Activity 10 100 1000 Activity 22 24 4 24 ...

Page 30: ...s good 10 Blinking The corresponding 10 Mb s port has been disabled by software Off The link connection is bad or there is no connection to this port Solid Amber On The corresponding port is set to operate at 100 Mb s and the link is good 100 Blinking The corresponding port has been disabled by software Off The link connection is bad or there is no connection to this port Solid Green 1000 On The c...

Page 31: ...d the port speed LED blinks at a rate of once per second disabled 1000Mbps blink green disabled 100Mbps blink amber disabled 10Mbps blink amber 5 times blink green 1 time repeat System ready LED Redundant power LED Activity LED to be driven directly by PHYs Mini GBICs and the corresponding copper ports are sharing the same activity LEDs Mini GBIC In Use LEDs In Use is indicated by a green LED If t...

Page 32: ...a hot swappable power supply unit that provides uninterrupted operation to as many as four BayStack 380 Switches in the event that any of the switch power supplies fail The BayStack 10 Power Supply Unit has a powerful modular redundant and uninterruptible power supply UPS functionality in a single chassis It provides scalable power redundancy and protection to your networking equipment The modules...

Page 33: ...e Nortel Networks products that use the 100 Watt DC DC Converter AC power receptacle The AC power receptacle accepts the AC power cord supplied For installation outside of North America make sure that you have the proper power cord for your region Any cord used must have a CEE 22 standard V female connector on one end and must meet the IEC 320 030 specifications Table 4 lists specifications for in...

Page 34: ...ical documentation for detailed installation procedures to be followed by qualified service personnel Vorsicht Bitte sofort lesen Sehen Sie nach ob dieses Netzkabel über den richtigen Stecker verfügt und für die Verwendung in Ihrem Stromversogungsnetz zertifiziert ist Falls dieses Kabel nicht für das Stromversorgungsnetz in Ihrem Land geeignet ist darf es nicht verwendet werden Besorgen Sie sich e...

Page 35: ...ne per l uso nell impianto elettrico posseduto Non utilizzare assolutamente in caso tale cavo non sia adatto al sistema elettrico del paese in cui viene utilizzato e richiederne un altro certificato dall ente nazionale di fornitura elettrica Per le procedure di installazione che devono essere seguite dal personale di servizio consultare questa documentazione tecnica del prodotto Advertencia Sírvas...

Page 36: ...schlossen ist muß sich stets an einem Ort befinden der bei einem Notfall schnell und einfach zugänglich ist Avertissement Le débranchement du cordon d alimentation constitue le seul moyen de mettre cet appareil hors tension Le cordon d alimentation doit donc toujours être branché dans une prise accessible pour faciliter la mise hors tension en cas d urgence Advertencia La única forma de desconecta...

Page 37: ...IEEE 802 1Q port based VLANs A port based VLAN is a VLAN in which the ports are explicitly configured to be in the VLAN When you create a port based VLAN you assign a Port VLAN Identifier PVID and specify which ports belong to the VLAN The PVID is used to coordinate VLANs across multiple switches Auto PVID When Auto PVID is active a port that is assigned to a numbered VLAN has the same number for ...

Page 38: ...k 380 Switch 212859 A Figure 5 BayStack 380 Switch security feature Library Teachers offices and classrooms To Network Center Secure locked area Legend Student Dormitory Switch RADIUS based security BS45077C RADIUS server ...

Page 39: ...ch on the secured ports Teachers offices and classrooms The PCs that are located in the teachers offices and in the classrooms are assigned MAC address based security that is specific for each classroom and office location The security feature logically locks each wall jack to the specified station and prevents unauthorized access to the switch should someone attempt to connect a personal laptop P...

Page 40: ...ompt For detailed instructions to set up your RADIUS server refer to your RADIUS server documentation For instructions to use the console interface CI to set up the RADIUS based security feature see Chapter 3 Using the console interface on page 93 MAC address based security The MAC address based security feature allows you to set up network access control based on source MAC addresses of authorize...

Page 41: ...l configuration parameters are stored in flash memory These parameters are updated every 60 seconds if a change occurs or whenever a reset command is executed MultiLink Trunking The MultiLink Trunking feature allows you to group multiple ports two to four together when forming a link to another switch or server thus increasing aggregate throughput of the interconnection between two devices up to 8...

Page 42: ... or 802 3z or 802 3ab that exists between two IEEE capable devices Autonegotiation allows the switch to select the best of both speed and duplex modes The term autopolarity refers to automatic detection of transmit and receive twisted pairs Autosensing is used when the attached device is not capable of autonegotiation or is using a form of autonegotiation that is not compatible with the IEEE 802 3...

Page 43: ...ion modes see Chapter 4 Troubleshooting on page 171 RFCs For more information about networking concepts protocols and topologies consult the following RFCs RFC 1213 MIB II RFC 1493 Bridge MIB RFC 1573 Interface MIB RFC 1643 Ethernet MIB RFC 1757 RMON RFC 1271 RMON RFC 1157 SNMP Standards The following IEEE Standards also contain information germane to the BayStack 380 Switch IEEE 802 3 10BASE T IS...

Page 44: ...ps on individual ports to generate automatically for conditions such as an unauthorized access attempt or changes in a port s operating status Table 5 lists supported SNMP MIBs Table 5 SNMP MIB support Application Standard MIBs Proprietary MIBs S5 Chassis MIB s5cha127 mib S5 Agent MIB s5age140 mib RMON rfc1757 mib MLT rcMLT SNMPv3 MIBs RFCs 2571 2572 2573 2574 2575 2576 MIB2 rfc1213 mib IF MIB rfc...

Page 45: ...ddress subnet mask IP address of the default router default gateway and software image file name Table 6 Support SNMP traps Trap name Configurable Sent when RFC 1215 industry standard linkUp Per port A port s link state changes to up linkDown Per port A port s link state changes to down authenticationFailure System wide There is an SNMP authentication failure coldStart Always on The system is powe...

Page 46: ...s by using the console port or BootP which resides on the switch You can manage the switch using Console interface The console interface allows you to configure and manage the switch locally or remotely Access the CI menus and screens locally through a console terminal attached to your BayStack 380 Switch remotely through a dial up modem connection or in band through a Telnet session For informati...

Page 47: ...ations used to configure and manage a BayStack 380 Switch See Reference for the BayStack 380 10 100 1000 Switch Management Software for more information Any generic SNMP based network management software You can use any generic SNMP based network management software to configure and manage a BayStack 380 Switch Nortel Networks Optivity network management software Optivity network management softwa...

Page 48: ...48 Chapter 1 BayStack 380 Switch 212859 A ...

Page 49: ...twork configuration examples next IEEE 802 1Q VLAN workgroups on page 55 IEEE 802 1p Prioritizing on page 71 MultiLink Trunks on page 74 Port mirroring on page 91 Network configuration examples This section provides four network configuration examples using BayStack 380 switches In these examples the packet classification feature can be used to prioritize the traffic of the network to ensure unint...

Page 50: ...the rest of the network Users can transfer files to and from the network with much greater speed Configuring a high bandwidth desktop configuration requires only three major steps 1 Configure the multi link transfer MLT ports that link to the Passport 8600 2 Configure the MLT ports on the Passport 8600 that attach to the BayStack 380 switch 3 Attach one or more high speed workstations to the BaySt...

Page 51: ... the high speed server connections with multi gigabit links back to the network The BayStack 380 also provides configuration of multiple 10 100 1000 Mbps link This allows for the evolution of connections from a single 10 Mbps connection to a multi gigabit connection without requiring another switch Configuring a high bandwidth server configuration requires only four major steps 1 Configure the net...

Page 52: ...ssport 8600 at another site Inexpensive copper connections can be used to connect the OM 1200 OSM units to the BayStack 380 at one site while small form factor pluggable gigabit interface connectors SFP GBICs connect the BayStack 380 to the Passport 8600 at the other site Configuring the OEL2 aggregation requires four major steps 1 Configure the OM 1200 ESM units 2 Configure the multi link transfe...

Page 53: ...yer 2 Aggregator Figure 9 shows an example of the BayStack 380 used to aggregate the uplink connection from several Business Policy Switch 2000 BPS 2000 switches to a Passport 8600 Configuring the BayStack 380 as a layer 2 aggregator requires three major steps 1 Attach the BPS 2000 switches to tagged VLAN ports on the BayStack 380 2 Configure the multi link transfer MLT ports on the BayStack that ...

Page 54: ...etwork configuration 212859 A 3 Configure the MLT ports on the Passport 8600 that connect to the BayStack 380 Figure 9 Layer 2 Aggregator BayStack 380 MLT PP 8600 BPS 2000 Stack BPS 2000 Stack BPS 2000 Stack 10568EA ...

Page 55: ...hysical network topology Figure 10 With network segmentation each switch port connects to a segment that is a single broadcast domain When a switch port is configured to be a member of a VLAN it is added to a group of ports workgroup that belong to one broadcast domain The BayStack 380 Switch allows you to assign ports to VLANs using the console Telnet Web based management or an appropriate SNMP b...

Page 56: ...that form a broadcast domain for a specific VLAN A port can be a member of one or more VLANs Untagged member a port that has been configured as an untagged member of a specific VLAN When an untagged frame exits the switch through an untagged member port the frame header remains unchanged When a tagged frame exits the switch through an untagged member port the tag is stripped and the tagged frame i...

Page 57: ... the default configuration example shown in Figure 11 all incoming packets are assigned to VLAN 1 by the default port VLAN identifier PVID 1 Untagged packets enter and leave the switch unchanged Figure 11 Default VLAN settings When you configure VLANs you configure the switch ports as tagged or untagged members of specific VLANs see Figure 12 through Figure 20 Port 1 DA SA Data CRC Incoming untagg...

Page 58: ...the switch through port 7 which is configured as an untagged member of VLAN 2 Figure 13 802 1Q tagging after port based VLAN assignment Port 6 DA SA Data CRC BS45011A Port 7 Port 8 Port 1 Port 4 Port 5 Port 2 Port 3 802 1Q Switch PVID 2 Untagged packet Untagged member of VLAN 2 Tagged member of VLAN 2 Before BS45012A Port 6 Port 7 Port 8 Port 1 Port 4 Port 5 Port 2 Port 3 802 1Q Switch Key Priorit...

Page 59: ...s stripped untagged as it leaves the switch through port 7 which is configured as an untagged member of VLAN 2 Figure 15 802 1Q tagging after 802 1Q tag assignment Port 6 DA SA Tag Data CRC Tagged packet BS45013A Port 7 Port 8 Port 1 Port 4 Port 5 Port 2 Port 3 802 1Q Switch PVID 2 Untagged member of VLAN 2 Tagged member of VLAN 2 Before BS45014A Port 6 Port 7 Port 8 Port 1 Port 4 Port 5 Port 2 Po...

Page 60: ...g the port for that VLAN are marked as belonging to that specific VLAN You can assign specific switch ports as members of one or more VLANs that span multiple switches without interfering with the Spanning Tree Protocol VLANs spanning multiple 802 1Q tagged switches Figure 16 shows VLANs spanning two BayStack 380 switches The 802 1Q tagging is enabled on S1 port 2 and on S2 port 1 for VLAN 1 and V...

Page 61: ...agging and you must use a single switch port on each switch for each VLAN For this configuration to work properly you must set spanning tree participation to Disabled the STP is not supported across multiple LANs Figure 17 VLANs spanning multiple untagged switches When the STP is enabled on these switches only one link between each pair of switches will be forwarding traffic Because each port belo...

Page 62: ... S1 and Switch S2 is forwarding at any time Communications failure occurs between VLAN 2 of S1 and VLAN 2 of S2 blocking communications between Stations A and B The STP selects the link connecting VLAN 1 on Switches S1 and S2 as the forwarding link based on port speed duplex mode and port priority Because the other link connecting VLAN 2 is in Blocking mode stations on VLAN 2 in Switch S1 cannot c...

Page 63: ... switch connections It is also possible to have resources exist in multiple VLANs on one switch as shown in Figure 19 In this example clients on different broadcast domains share resources The broadcasts from ports configured in VLAN 3 can be seen by all VLAN port members of VLAN 3 Figure 19 Multiple VLANs sharing resources BayStack 380 10483EA S1 V2 V2 V1 V1 V2 V3 Key VLAN 1 PVID 1 VLAN 2 PVID 2 ...

Page 64: ...the appropriate PVID VLAN association Ports 8 6 and 11 are untagged members of VLAN 1 The PVID VLAN association for ports 6 and 11 is PVID 1 Ports 2 4 10 and 8 are untagged members of VLAN 2 The PVID VLAN association for ports 2 4 and 10 is PVID 2 Ports 2 4 10 8 6 and 11 are untagged members of VLAN 3 The PVID VLAN association for port 8 is PVID 3 The following steps show how to use the VLAN confi...

Page 65: ... 3 From the VLAN Configuration Menu select VLAN Configuration or press v The default VLAN Configuration screen opens Figure 21 Figure 21 Default VLAN Configuration screen example The VLAN Configuration screen settings shown in Figure 21 are default settings with all switch ports classified as untagged members of VLAN 1 Figure 22 shows the VLAN Configuration screen after it is configured to support...

Page 66: ... example To configure the PVID port VLAN identifier for port 8 1 From the VLAN Configuration screen press Ctrl R to return to the VLAN Configuration Menu 2 From the VLAN Configuration Menu select VLAN Port Configuration or press c The default VLAN Port Configuration screen opens Figure 23 The VLAN Port Configuration screen settings shown in Figure 23 are default settings ...

Page 67: ...Figure 23 Default VLAN Port Configuration screen example Figure 24 shows the VLAN Port Configuration screen after it is configured to support the PVID assignment for port 8 as shown in Figure 20 on page 64 Port Name is optional The PVID VLAN association for VLAN 3 is now PVID 3 ...

Page 68: ...gured with multiple VLANs Ports 1 6 11 and 12 are in VLAN 1 Ports 2 3 4 7 and 10 are in VLAN 2 Port 8 is in VLAN 3 Because S4 does not support 802 1Q tagging a single switch port on each switch must be used for each VLAN see VLANS spanning multiple untagged switches on page 61 The connection to S2 requires only one link between the switches because S1 and S2 are both BayStack 380 switches that sup...

Page 69: ... VLAN configuration spanning multiple switches BayStack 380 BayStack 380 Untagged ports STP disabled Both ports are tagged members of VLAN 1 and VLAN 2 Non 802 1Q tagging switch 10484EB Key VLAN 1 PVID 1 VLAN 2 PVID 2 VLAN 3 PVID 3 S1 S2 S4 S3 V1 V2 V2 V1 V2 V3 Non 802 1Q tagging switch ...

Page 70: ...N configuration If a port is on a trunk with a mirroring port the VLAN configuration cannot be changed Auto PVID can be activated by creating a VLAN and enabling Auto PVID for it Independent VLANs IVL You can configure a VLAN as an Independent VLAN IVL Each independent VLAN maintains its own MAC Address table Independent VLANs can have duplicate MAC Addresses on different VLANs In Table 7 both VLA...

Page 71: ...priority When the switch receives untagged packets on that port the untagged packets are tagged according to the priority level that you assign to the port Figure 26 Prioritizing packets 10545EA CRC Port 1 Port 2 Port 3 High Low Port 6 Port 4 Port 7 Port 8 PVID 2 Priority 6 Port configuration parameters Key Priority CFI VID User_priority Canonical format indicator VLAN identifier Tagged member of ...

Page 72: ...e using a traffic class table This table is managed by using the Traffic Class Configuration screen The table indicates the traffic class assigned to the frame for each user_priority value If the frame leaves the switch formatted as a tagged packet the traffic class assigned to the frame is carried forward to the next 802 1p capable switch This allows the packet to carry the assigned traffic class...

Page 73: ...hen set the port priority in the VLAN Port Configuration screen 2 Select Switch Configuration from the BayStack 380 Main Menu or press w 3 From the Switch Configuration Menu select VLAN Configuration or press w 4 From the VLAN Configuration Menu select Traffic Class Configuration or press t The Traffic Class Configuration screen opens Figure 28 Default Traffic Class Configuration Screen Example 5 ...

Page 74: ...gregate throughput of the interconnection between the devices up to 8 Gb s in full duplex mode You can configure up to six MultiLink Trunks The trunk members can only reside on a single unit MultiLink Trunking software detects misconfigured or broken trunk links and redirects traffic on the misconfigured or broken trunk link to other trunk members within that trunk If there is only a single trunk ...

Page 75: ...n this example when traffic between switch to switch connections approaches single port bandwidth limitations creating a MultiLink Trunk can supply the additional bandwidth required to improve the performance Figure 31 shows a typical switch to server trunk configuration In this example file server FS1 uses dual MAC addresses using one MAC address for each network interface card NIC For this reaso...

Page 76: ...ks T2 T3 T4 and T5 Clients accessing data from the servers FS1 and FS2 are provided with maximized bandwidth through trunks T1 T2 T3 T4 and T5 Trunk members the ports making up each trunk do not have to be consecutive switch ports you can select ports randomly as shown by T5 With spanning tree enabled one of the trunks T2 or T3 acts as a redundant backup trunk to Switch S2 With spanning tree disab...

Page 77: ... The trunk configuration screens for switches S1 to S4 are shown in Trunk configuration screen examples following this section For detailed information about configuring trunks see MultiLink Trunk Configuration screen on page 138 S4 BayStack 380 S3 BayStack 380 S2 T3 T4 T2 T5 S1 10487EA FS1 FS2 T1 BayStack 380 BayStack 380 ...

Page 78: ...iLink Trunk Trunk configuration screen examples This section shows examples of the MultiLink Trunk configuration screens for the client server configuration example shown in Figure 32 The screens show how you could set up the trunk configuration screens for switches S1 to S4 See Spanning tree considerations for MultiLink Trunks on page 87 and MultiLink Trunk Configuration screen on page 138 for mo...

Page 79: ...creen for Switch S1 Switch S1 is set up with five trunk configurations T1 T2 T3 T4 and T5 To set up the S1 trunk configuration Figure 34 Choosing the MultiLink Trunk Configuration Menu screen Choose MultiLink Trunk Configuration or press t from the MultiLink Trunk Configuration Menu screen Figure 34 ...

Page 80: ...Members indicates the ports that can be configured in each row to create the corresponding trunk Ports 17 19 21 and 23 are assigned as trunk members of trunk 1 Ports 5 and 7 are assigned as trunk members of trunk 2 Ports 6 and 8 are assigned as trunk members of trunk 3 Ports 18 and 20 are assigned as trunk members of trunk 4 Ports 22 and 24 are assigned as trunk members of trunk 5 Note Assigning p...

Page 81: ... across the trunk members Trunk Status indicates the Trunk Status for each of the trunks When set to Enabled the configuration settings for that specific trunk are activated Trunk Name indicates optional fields for assigning names to the corresponding configured trunks The names chosen for this example provide meaningful information to the user of this switch for example S1 T1 to FS2 indicates tha...

Page 82: ...d as trunk members of trunk 1 STP Learning indicates the spanning tree participation setting for each of the trunks Trunks 1 and 2 are enabled for Normal STP Learning Trunk Mode read only indicates the Trunk Mode for each of the trunks The Trunk Mode field values for trunks 1 and 2 are set to Basic Source MAC addresses are statically assigned to specific trunk members for flooding and forwarding w...

Page 83: ...unk 1 in Switch S2 connects to Switch 1 Trunk Configuration screen for Switch S3 As shown in Figure 32 on page 77 Switch S3 is set up with one trunk configuration T4 This trunk connects directly to Switch S1 As in the previous screen examples to set up an interswitch trunk configuration choose MultiLink Trunk Configuration from the MultiLink Trunk Configuration Menu screen Figure 37 shows the Mult...

Page 84: ...mbers for flooding and forwarding which allows the switch to stabilize and distribute the data streams of source addresses across the trunk members Trunk Status indicates the Trunk Status for each of the trunks When set to Enabled the configuration settings for that specific trunk are activated Trunk Name indicates optional fields for assigning names to the corresponding configured trunks Trunk Co...

Page 85: ...k T5 STP Learning indicates the spanning tree participation setting for each of the trunks Trunk 1 is enabled for Normal STP Learning Trunk Mode read only indicates the Trunk Mode for each of the trunks The Trunk Mode field value for trunk 1 is set to Basic Source MAC addresses are statically assigned to specific trunk members for flooding and forwarding which allows the switch to stabilize and di...

Page 86: ... up to four are to become trunk members the specific ports making up the trunk A minimum of two ports are required for each trunk Ensure that the chosen switch ports are set to Enabled using either the Port Configuration screen see Port Configuration screen on page 131 or network management Trunk member ports must have the same VLAN configuration 3 All network cabling should be complete and stable...

Page 87: ...with two port members operating at an aggregate bandwidth of 2 2 Gb s with a comparable Path Cost of 4 When the Path Cost calculations for both trunks are equal the software chooses the trunk with the larger aggregate bandwidth T1 to determine the most efficient path Figure 39 Path Cost arbitration example 10488EB T1 T2 100 Mb s 100 Mb s 1000 Mb s 1000 Mb s Path Cost T1 1 S1 S2 Path Cost T2 5 Aggr...

Page 88: ...s 2 4 and 6 of Switch S1 are configured correctly to trunk member ports 7 9 and 11 of Switch S2 The Spanning Tree Port Configuration screen for each switch shows the port state field for each port in the Forwarding state Figure 40 Example 1 correctly configured trunk T1 S1 Port Configuration screen 10489EA S2 Port Configuration screen S1 S2 BayStack 380 BayStack 380 ...

Page 89: ...ally disconnected and then reconnected to port 9 the Spanning Tree Port Configuration screen for Switch S1 changes to show port 6 in the Blocking state Figure 41 Figure 41 Example 2 detecting a misconfigured port S1 S2 BayStack 380 BayStack 380 S1 Port Configuration screen 10490EA S2 Port Configuration screen Blocking T1 ...

Page 90: ...ng tree participation using the Trunk Configuration screen or using the Spanning Tree Configuration screen When a trunk is not active the spanning tree participation setting in the Trunk Configuration screen does not take effect until you set the Trunk Status field to Enabled The trunk is also viewed by management stations as a single spanning tree port The spanning tree port is represented by the...

Page 91: ...ng Configuration screen Note that the displayed screens do not show all of the screen prompts that precede some actions For example when you configure a switch for port mirroring or when you modify an existing port mirroring configuration the new configuration does not take effect until you respond Yes to the following screen prompt Figure 42 Port Mirroring Configuration port based screen example ...

Page 92: ...92 Chapter 2 Network configuration 212859 A ...

Page 93: ...n page 96 Accessing the CI menus and screens You can access the CI menus and screens locally through a console terminal attached to your BayStack 380 Switch remotely through a dial up modem connection or in band through a Telnet session see Console port on page 26 You can connect your console cable into any BayStack 380 Switch For information about SNMP see your network management documentation No...

Page 94: ... among several possible values other options allow you to set or modify a parameter Navigating the CI menus and screens Use the following methods to navigate the CI menus and screens To select a menu option 1 Use the arrow keys to highlight the option name 2 Press Enter The option takes effect immediately after you press Enter Alternatively you can press the key corresponding to the underlined let...

Page 95: ...System Characteristics Switch Configuration Console Comm Port Configuration Display Hardware Units Spanning Tree Configuration TELNET Configuration Software Download Configuration File Display Event Log Reset Reset to Default Settings Logout Main Menu MAC Address Table MAC Address Based Security VLAN Configuration Port Configuration High Speed Flow Control Configuration MultiLink Trunk Configurati...

Page 96: ...ain menu Figure 44 The CI screens and submenus for these options are described in the following sections Figure 44 Console interface main menu Note The field values shown in the CI screens in this section are provided as examples only Note Some menu options shown in this main menu example and in other screen examples in this chapter may not appear on your screen depending on the switch options ins...

Page 97: ...Display Port Statistics Clear All Port Statistics and Display System Log Console Comm Port Configuration Displays the Console Comm Port Configuration screen see Console Comm Port Configuration screen on page 149 This screen allows you to configure and modify the console Comm port parameters including the console port speed and password settings for the switch operation Spanning Tree Configuration ...

Page 98: ...witch main menu Caution If you choose the Reset to Default Settings option all of your configured settings will be replaced with factory default settings when you press Enter Achtung Bei Auswahl des Befehls zur Rücksetzung auf die Standardeinstellungen werden alle von Ihnen konfigurierten Einstellungen durch die werkseitigen Standardeinstellungen ersetzt wenn Sie die Eingabetaste drücken Attention...

Page 99: ...in the user configurable fields takes effect as soon as you press Enter To open the IP Configuration Setup screen Figure 45 IP Configuration Setup screen Table 9 describes the IP Configuration Setup screen fields Choose IP Configuration Setup or press i from the main menu Note The read only fields in this screen are updated based on the BootP mode specified in the BootP Request Mode field See Choo...

Page 100: ...nts IP configuration that is currently in use Last BootP Column header for the read only fields in this screen The read only data displayed in this column represents IP configuration obtained from the last BootP reply received In Band Switch IP Address The in band IP address of the switch Default Value 0 0 0 0 no IP address assigned Range Four octet dotted decimal notation where each octet is repr...

Page 101: ...decimal notation where each octet is represented as a decimal value between 0 and 255 separated by a decimal point Default Gateway The IP address of the default gateway Default Value 0 0 0 0 no IP address assigned Range Four octet dotted decimal notation where each octet is represented as a decimal value between 0 and 255 separated by a decimal point IP Address to Ping The IP address of the networ...

Page 102: ...IP address When the in band IP address is not set from the console terminal the switch broadcasts BootP requests until it receives a BootP reply containing an IP address If the switch does not receive a BootP reply that contains an IP address the switch cannot be managed in band If an IP address is not currently in use these actions take effect immediately If an IP address is currently in use thes...

Page 103: ...dress is currently in use these actions take effect only after the switch is reset or power cycled BootP Disabled Allows the switch to be managed only by using the IP address set from the console terminal When selected this mode operates as follows The switch does not broadcast BootP requests regardless of whether an IP address is set from the console terminal The switch can be managed only by usi...

Page 104: ...d IP address it received from a BootP server This IP information is displayed in the Last BootP column If an IP address is not currently in use these actions take effect immediately If an IP address is currently in use these actions take effect only after the switch is reset or power cycled SNMP Configuration screen The SNMP Configuration screen Figure 46 allows you to set or modify the SNMP confi...

Page 105: ... when viewed from the console terminal however no traps will be sent to that address until the row status is set to Valid Number one of four trap IP addresses Successive trap IP address fields are numbered 2 3 and 4 Each trap address has an associated community string see Community String Default Value 0 0 0 0 no IP address assigned Range Four octet dotted decimal notation where each octet is repr...

Page 106: ...haracteristics screen Figure 47 allows you to view system characteristics and contains three user configurable fields sysContact sysName and sysLocation To open the System Characteristics screen Figure 47 System Characteristics screen Choose System Characteristics or press s from the main menu ...

Page 107: ...t Power sysDescr A read only field that specifies hardware and software versions sysObjectID A read only field that provides a unique identification of the switch which contains the vendor s private enterprise number sysUpTime A read only field that shows the length of time since the last reset Note that this field is updated when the screen is redisplayed sysServices A read only field that indica...

Page 108: ...on Menu screen The Switch Configuration Menu screen Figure 48 allows you to set or modify your switch configuration Choose Switch Configuration or press w from the main menu to open the Switch Configuration Menu screen Table 12 Figure 48 Switch Configuration Menu screen ...

Page 109: ...guration Menu screen This menu allows you to create and modify VLANs Port Configuration Displays the Port Configuration screen see Port Configuration screen on page 131 This screen allows you to configure a specific switch port or all switch ports High Speed Flow Control Configuration Displays the High Speed Flow Control Configuration screen MultiLink Trunk Configuration Displays the MultiLink Tru...

Page 110: ...to find an address and enter the address directly from this screen You can enter addresses from either screen but you must return to the Port Mirroring Configuration screen to activate the feature see Port Mirroring Configuration screen on page 142 When you add a security MAC Address it is added to the MAC Address Table screen Figure 49 Choose MAC Address Table or press m from the Switch Configura...

Page 111: ...or allowed port access include NONE ALL or a single port that is specified in a list for example 1 6 9 etc You must also include the MAC address of any router connected to any secure ports To open the MAC Address Security Configuration screen Table 13 MAC Address Table screen fields Field Description Aging Time Specifies how long a learned MAC address remains in the switch s forwarding database If...

Page 112: ...s you to Enable or Disable the MAC Address Security feature MAC Address Security Port Configuration Displays the MAC Address Security Port Configuration screen see MAC Address Security Port Configuration screen on page 115 This screen allows you to Enable or Disable MAC Security for each port MAC Address Security Table Displays the MAC Address Security Table screen see MAC Address Security Table s...

Page 113: ...Security Configuration screen Figure 51 allows you to enable or disable the MAC address security feature Choose MAC Address Security Configuration from the MAC Address Security Configuration Menu to open the MAC Address Security Configuration screen Figure 51 MAC Address Security Configuration screen ...

Page 114: ... port or ports to be cleared using this field the specific port or ports will be cleared for each of the entries listed in the MAC Address Security Table If you totally clear the allowed Source Port s field leaving a blank field for an entry the associated MAC address for that entry is also cleared Default NONE Range NONE ALL a port number list for example 1 6 etc Learn by Ports All source MAC add...

Page 115: ...y Port Configuration screens Figure 52 and Figure 53 allow you to set or modify your MAC address port security configuration on a per port basis To open the MAC Address Security Port Configuration screen Figure 52 MAC Security Port Configuration screen 1 of 2 Choose MAC Address Security Port Configuration from the MAC Address Security Configuration Menu ...

Page 116: ...curity Port Configuration screen fields Field Description Port Displays a numbered port list Trunk Displays the trunk number if the port is a member of that trunk Default blank field Security This field value determines whether or not security is enabled or disabled on the port level This field must be enabled for a port to be a member of MAC Security Default Disabled Range Disabled Enabled ...

Page 117: ... return to Main Menu MAC Address Security Table Find an Address 00 00 00 00 00 00 MAC Address Allowed Source MAC Address Allowed Source Screen 1 More Press Ctrl N to display next screen Enter MAC Address xx xx xx xx xx xx press Return or Enter when complete Press Ctrl R to return to previous menu Press Ctrl C to return to Main Menu MAC Address Security Table Find an Address 00 00 00 00 00 00 MAC A...

Page 118: ...ing the console interface 212859 A Choose MAC Address Security Table from the MAC Address Security Configuration Menu to open the MAC Address Security Table screen Figure 55 Figure 55 MAC Address Security Table screen ...

Page 119: ...pecified MAC address does not take effect until the Allowed Source field is set to some value You can clear an existing MAC address field by entering zero 0 in the field and pressing Enter Default no address assigned Range A range of 6 Hex Octets separated by dashes multicast1 and broadcast addresses are not allowed 1 Multicast address Note that the first octet of any Multicast address will always...

Page 120: ...ign various ports and therefore the devices attached to these ports to different broadcast domains Creating VLANs increases network flexibility by allowing you to reassign devices to accommodate network moves additions and changes eliminating the need to change physical cabling To open the VLAN Configuration Menu Figure 56 VLAN Configuration Menu screen Choose VLAN Configuration or press v from th...

Page 121: ...e port members from a VLAN in accordance with the IEEE 802 1Q tagging rules See IEEE 802 1Q VLAN workgroups on page 55 for a description of important terms used with 802 1Q VLANs You can also use this screen to create and to delete specific VLANs to assign VLAN names and to assign any VLAN as the management VLAN Table 18 VLAN Configuration Menu options Option Description VLAN Configuration Display...

Page 122: ... or view then press Return The Port Membership fields indicate the corresponding VLAN workgroup configuration if configured Dashes indicate no VLAN Members are configured Alternatively you can use the space bar to toggle through the various configured VLAN workgroups You can create up to 64 different VLANs except VLAN 1 Default 1 Range 2 to 4094 Delete VLAN Allows you to delete specified VLANs exc...

Page 123: ...ng field values VLAN Type Protocol Id PID or User defined PID must be configured appropriately before this field can be set to active After you set the VLAN State field value to Active you cannot change the VLAN State VLAN Type Protocol Id or User defined PID field values unless you delete the VLAN If you delete a VLAN all configuration parameters that are associated with that VLAN are also delete...

Page 124: ...fied switch ports to filter discard all received untagged frames see IEEE 802 1Q VLAN workgroups on page 55 To open the VLAN Port Configuration screen The Port Membership fields are displayed in six port groups for example 1 6 7 12 13 18 The number of ports displayed depends on the switch model or type of optional GBIC installed in the Uplink Module slot Default U All ports are assigned as untagge...

Page 125: ...e its port number and press Enter or press the spacebar to toggle the port numbers Filter Untagged Frames Sets this port to filter discard all received untagged frames Default No Range No Yes Port Name The default port name assigned to this port You can change this field to any name that is up to 16 characters long Default Port x Range Any ASCII string of up to 16 printable characters PVID Associa...

Page 126: ...ation Menu screen to open the VLAN Display by Port screen Figure 59 VLAN Display by Port screen Tagging Allows you to assign VLAN Port Membership tagging options to this port as follows Untagged Access Any VLAN that this port is a member of will not be 802 1Q tagged Default Untagged Access Range Untagged Access Tagged Trunk Auto PVID Specifies the port VLAN identifier PVID automatically Table 20 V...

Page 127: ... Field Description Port Allows you to select the number of the port you want to view To view another port type its port number and press Enter or press the spacebar on your keyboard to toggle the port numbers PVID Read only field that indicates the PVID setting for the specified port Port Name Read only field that indicates the port name assigned to the specified port VLANs Column header for the r...

Page 128: ...ds packets on a per port basis BayStack 380 provides 4 transmission queues Frames are assigned to one of these queues on the basis of the user priority using a traffic class table The table indicates the traffic class that is assigned to the frame for each possible user priority value Figure 61 Traffic Class Policy Configuration ...

Page 129: ...ueues have not emptied To determine the percentage of bandwidth allocated to each queue add the total weight and then divide each queue weight by that value This formula works only when all queues are fully utilized Strict The strict dequeuing algorithm empties the higher priority queues first Once the higher priority queue is empty then the next priority queue is serviced If a packet comes out of...

Page 130: ...face 212859 A Figure 62 Traffic Class Priority Configuration Table 23 Priority Configuration screen fields Field Description User Priority Specifies the user priority Traffic Class Specifies the associated traffic class from low to highest ...

Page 131: ...n or set the speed for selected switch ports autonegotiation is not supported on fiber optic ports You can disable switch ports that are trunk members however the screen prompts for verification of the request before completing the action Choosing Yes disables the port and removes it from the trunk To open the Port Configuration screen Figure 63 Port Configuration screen 1 of 2 Note The Autonegoti...

Page 132: ...ll affect all switch ports Trunk The read only data displayed in this column indicates the trunks that correspond to the switch ports specified in the Trunk Members fields of the Trunk Configuration screen see MultiLink Trunk Configuration Menu screen on page 136 Status Allows you to disable any of the switch ports You can also use this field to control access to any switch port Default Value Enab...

Page 133: ...sabled for all fiber optic ports Default Value Enabled Range Enabled Disabled Speed Duplex1 Allows you to manually configure any port to support an Ethernet speed of 10 Mb s 100 Mb s in half or full duplex mode or 1000 Mb s in full duplex mode This field is set by default to 1000 Mb s full duplex for Gigabit ports only Default Value 1000Mbs Full when Autonegotiation is Disabled Range 10Mbs Half 10...

Page 134: ... 65 allows you to set the port parameters for the Gigabit Ethernet Interface Choose High Speed Flow Control Configuration or press h from the Switch Configuration Menu screen to open the High Speed Flow Control Configuration screen Figure 65 High Speed Flow Control Configuration Note The GBIC module does not need to be installed to configure the port ...

Page 135: ...or configure another port type its unit number and press Enter or press the spacebar to toggle the port numbers Autonegotiation When enabled the port only advertises support for 1000 Mb s operation in full duplex mode Note Autonegotiation can be changed only in the Port Configuration screen Default Value Enabled Range Enabled Disabled Speed Duplex Specifies the speed and duplexity mode read only a...

Page 136: ... a number of slot times specified in the control frame or until a pause release control frame is received In this mode the port is disabled from transmitting pause frames to its link partner Use this mode when the port is connected to a buffered repeater device MultiLink Trunk Configuration Menu screen The MultiLink Trunk Configuration Menu screen Figure 66 allows you to select the appropriate scr...

Page 137: ...ions Option Description MultiLink Trunk Configuration Displays the MultiLink Trunk Configuration screen Figure 67 This screen allows you to configure up to six MultiLink Trunks within a switch configuration You can group up to four switch ports together to form each trunk MultiLink Trunk Utilization Displays the MultiLink Trunk Utilization screen Figure 68 and Figure 69 This screen allows you to m...

Page 138: ... The MultiLink Trunk Configuration screen Figure 67 allows you to configure up to six trunks in a switch To open the MultiLink Trunk Configuration screen Figure 67 MultiLink Trunk Configuration screen Choose Trunk Configuration or press t from the MultiLink Trunk Configuration Menu screen ...

Page 139: ...h row that when enabled allows the specified trunk to participate in the spanning tree This setting overrides those of the individual trunk members Fast is the same as Normal except that the state transition timer is shortened to two seconds Default Value Normal Range Normal Fast Disabled Trunk Mode The Trunk Mode column contains a single read only field for each row that indicates the default ope...

Page 140: ...ic to monitor Figure 68 shows an example of bandwidth utilization rates for the trunk member ports configured in Figure 67 Because two screens are necessary to show all of the configured trunks up to six the screen prompts you to Press Ctrl N to view trunks five and six Choose MultiLink Trunk Utilization or press u from the MultiLink Trunk Configuration Menu screen to open the MultiLink Trunk Util...

Page 141: ...he trunk 1 to 6 that corresponds to the switch ports specified in the Port field Traffic Type Allows you to choose the traffic type to be monitored for percent of bandwidth utilization see Range Default Value Rx and Tx Range Rx and Tx Rx Tx Port Lists the trunk member ports that correspond to the trunk specified in the Trunk column Last 5 Minutes This read only field indicates the percentage of pa...

Page 142: ...creen Last 30 Minutes This read only field indicates the percentage of packets of the type specified in the Traffic Type field utilized by the port in the last 30 minutes This field provides a running average of network activity and is updated every 15 seconds Last Hour This read only field indicates the percentage of packets of the type specified in the Traffic Type field utilized by the port in ...

Page 143: ...s based monitoring modes see Table 30 on page 144 Selecting any one of the six port based modes activates the port X and port Y screen fields where a user can choose up to two ports to monitor Selecting any one of the five address based modes activates the Address A and Address B screen fields where a user can specify MAC addresses to monitor Default Value Disabled Range See Table 30 on page 144 M...

Page 144: ...t Alternatively you can use the Clear All Port Statistics option to clear port counters for all switches or ports see Switch Configuration Menu screen on page 108 To open the Port Statistics screen Port X Indicates one of the ports that will be monitored by the designated port monitor when one of the port based monitoring modes is selected This port will be monitored according to the value of Port...

Page 145: ...received on this port including bad packets broadcast packets and multicast packets Transmitted column Indicates the total number of packets transmitted successfully on this port including broadcast packets and multicast packets Multicasts Received column Indicates the total number of good multicast packets received on this port excluding broadcast packets Transmitted column Indicates the total nu...

Page 146: ...n Indicates the total number of 256 byte to 511 byte packets transmitted successfully on this port 512 1023 bytes Received column Indicates the total number of 512 byte to 1023 byte packets received on this port Transmitted column Indicates the total number of 512 byte to 1023 byte packets transmitted successfully on this port 1024 Max bytes Received column Indicates the total number of 1024 byte ...

Page 147: ... of cyclic redundancy check CRC errors Collisions Indicates the total number of collisions detected on this port Single Collisions Indicates the total number of packets that were transmitted successfully on this port after a single collision Multiple Collisions Indicates the total number of packets that were transmitted successfully on this port after more than one collision Excessive Collisions I...

Page 148: ...148 Chapter 3 Using the console interface 212859 A To open the System Log screen Figure 72 System Log screen Choose Display System Log or press y from the main menu ...

Page 149: ...e the spacebar to toggle between the options Default Non Volatile Range Non Volatile Volatile Volatile Non Volatile Display configuration complete This field allows you to determine whether the configuration information received from NVRAM DRAM depending on what is selected in the Display Messages From field is complete Use the spacebar to toggle between the options Default No Range No Yes Clear M...

Page 150: ... current console comm port parity setting Comm Port Stop Bits A read only field that indicates the current console comm port stop bit setting Console Port Speed Allows you to set the console comm port baud rate to match the baud rate of the console terminal Default Value 9600 Baud Range 2400 Baud 4800 Baud 9600 Baud 19200 Baud 38400 Baud Caution If you choose a baud rate that does not match your c...

Page 151: ...la consola al pulsar Intro Si se pierde la comunicación ajuste el terminal de la consola para que coincida con el nuevo valor del puerto de servicio Attenzione Nel caso in cui si scelga una velocità di trasmissione non corrispondente a quella del terminale della console la comunicazione con l interfaccia della console cadrà premendo il tasto Invio Se la comunicazione cade impostare il terminale de...

Page 152: ...read write password access to the CI of a standalone switch Users can log in to the CI using the correct password see default and can change any parameter You can change the default passwords for read only access and read write access to a private password Default Value secure Range Any ASCII string of up to 15 printable characters Caution If you change the system supplied default passwords be sur...

Page 153: ...e assistenza Primary RADIUS Server The IP address of the Primary RADIUS server Default 0 0 0 0 no IP address assigned Range Four octet dotted decimal notation where each octet is represented as a decimal value separated by a decimal point Secondary RADIUS Server The IP address of the Secondary RADIUS server Default 0 0 0 0 no IP address assigned Range Four octet dotted decimal notation where each ...

Page 154: ...re Unit Information screen Figure 74 lists the switch models including any installed mini GBICs that are configured in your standalone configuration To open the Hardware Unit Information screen Figure 74 Hardware Unit Information screen Choose Display Hardware Unit or press h from the main menu ...

Page 155: ... 75 allows you to view spanning tree parameters and configure individual switch ports to participate in the spanning tree algorithm STA To modify any of the spanning tree parameters see your SNMP documentation To open the Spanning Tree Configuration Menu screen Figure 75 Spanning Tree Configuration Menu screen Choose Spanning Tree Configuration or press p from the main menu ...

Page 156: ...ing Tree Configuration Menu to open the Spanning Tree Port Configuration screen Table 34 Spanning Tree Configuration Menu options Option Description Spanning Tree Port Configuration Displays the Spanning Tree Port Configuration screen see Spanning Tree Port Configuration screen on page 156 Spanning Tree Switch Settings Displays the Spanning Tree Switch Settings screen see Spanning Tree Switch Sett...

Page 157: ...Chapter 3 Using the console interface 157 Using the BayStack 380 10 100 1000 Switch Figure 76 Spanning Tree Port Configuration screen 1 of 2 Figure 77 Spanning Tree Port Configuration screen 2 of 2 ...

Page 158: ...ransition timer is shortened to 2 seconds Default Value Normal Learning Range Normal Learning Fast Learning Disabled Priority This read only field is a bridge spanning tree parameter that prioritizes the port s lowest path cost to the root When one or more ports have the same path cost the STA selects the path with the highest priority lowest numerical value See also Path Cost Default Value 128 Ra...

Page 159: ... Spanning Tree Switch Settings screen Figure 78 allows you to view spanning tree parameter values for the BayStack 380 Switch To open the Spanning Tree Switch Settings screen Figure 78 Spanning Tree Switch Settings screen Choose Display Spanning Tree Switch Settings or press d from the Spanning Tree Configuration Menu screen ...

Page 160: ... lowest path cost to the root bridge Default Value 0 Range Port 24 Root Path Cost Indicates the path cost from this switch port to the root bridge Default Value 0 Range Not applicable Hello Time Indicates the Actual Hello Interval the amount of time between transmissions of configuration Bridge Protocol Data Units BPDUs that the root bridge is currently using Note that all bridges participating in...

Page 161: ...ameter value becomes the Actual Hello Interval parameter value for all bridges participating in the spanning tree network See also Hello Time Default Value 2 seconds Range 1 to 10 seconds Bridge Maximum Age Time Specifies the maximum age in seconds that a Hello message can attain before it is discarded This parameter specified by management for this bridge takes effect only when the bridge becomes...

Page 162: ... user at a remote console terminal to communicate with the BayStack 380 Switch as if the console terminal were directly connected to it You can have up to four active Telnet sessions at one time To open the TELNET Configuration screen Figure 79 TELNET Configuration screen Choose TELNET Configuration or press t from the main menu ...

Page 163: ...rminated Default Value 15 minutes Range 0 to 60 minutes 0 indicates no timeout Event Logging Specifies the types of events that will be displayed in the Event Log screen see System Log screen on page 147 Default Value All Range All None Accesses Failures Description All Logs the following Telnet events to the Event Log screen TELNET connect Indicates the IP address and access mode of a Telnet sess...

Page 164: ...IP address the connection is allowed For example a connection would be allowed with the following settings Remote IP address 192 0 1 5 Allowed Source IP Address 192 0 1 0 Allowed Source Mask 255 255 255 0 Default Value 0 0 0 0 no IP mask assigned Range Four octet dotted decimal notation where each octet is represented as a decimal value separated by a decimal point Caution Do not interrupt power t...

Page 165: ...tware Download screen You can monitor the software download process by observing the LEDs see LED Indications during the download process on page 167 Precaución No interrumpa la alimentación del dispositivo durante el proceso de descarga del software Si lo hace puede alterar la imagen de la programación firmware Attenzione Non interrompere l alimentazione elettrica al dispositivo durante il proces...

Page 166: ...load file name NOTE Certain software releases may require you to download two images the boot code image and the agent image For proper operation of the switch the new boot code image must be downloaded before the agent image is downloaded Default Value Zero length string Range An ASCII string of up to 30 printable characters BayStack 380 Diagnostics Filename The BayStack 380 Switch diagnostics fi...

Page 167: ...TP load host Default Value 0 0 0 0 no IP address assigned Range Four octet dotted decimal notation where each octet is represented as a decimal value separated by a decimal point Start TFTP Load of New Image Specifies whether to start the download of the switch software image default is No Use the spacebar to toggle the selection to Yes Press Enter to initiate the software download process NOTE Th...

Page 168: ...eplacement switch Certain requirements apply when automatically configuring a switch using this feature You must set up the file on your TFTP server and set the filename read write permission to enabled before you can save the configuration parameters Although most configuration parameters are saved to the configuration file certain parameters are not saved see Table 40 on page 170 To open the Con...

Page 169: ...st Default Value 0 0 0 0 no IP address assigned Range Four octet dotted decimal notation where each octet is represented as a decimal value separated by a decimal point Copy Configuration Image to Server Specifies whether to copy the presently configured switch parameters to the specified TFTP server default is No Use the spacebar to toggle the selection to Yes Press Enter to initiate the process ...

Page 170: ...to the configuration file These parameters are not saved Used in this screen See page In Band Switch IP Address In Band Subnet Mask Default Gateway Console Read Only Switch Password Console Comm Port Configuration 149 Console Read Write Switch Password Configuration Image Filename Configuration File Download Upload 168 TFTP Server IP Address ...

Page 171: ...d you through a logical process for troubleshooting the BayStack 380 Switch For example because LEDs provide visual indications of certain problems see Interpreting the LEDs on page 172 to understand the various states Table 82 that your switch LEDs can exhibit during normal operation For more help in determining the problem Diagnosing and correcting problems on page 174 describes symptoms and cor...

Page 172: ...witch or power supply failed Status System status Green On Self test passed successfully and switch is operational Blinking A nonfatal error occurred during the self test This includes nonworking fans Off The switch failed the self test RPSU RPSU status Green On The switch is connected to the RPSU and can receive power if needed Off The switch is not connected to the RPSU or RPSU is not supplying ...

Page 173: ...k connection is bad or there is no connection to this port Solid Green 1000 On The corresponding port is set to operate at 1000 Mb s and the link is good Blinking The corresponding 1000 Mb s port has been disabled by software Off The link connection is bad or there is no connection to this port Activity Port activity Green Blinking Indicates network activity for the corresponding port A high level...

Page 174: ...uszuschließen nehmen Sie niemals die obere Abdeckung vom Gerät ab Im Geräteinnern befinden sich keine Komponenten die vom Benutzer gewartet werden können Avertissement Pour éviter tout risque d électrocution ne jamais retirer le capot de l appareil Cet appareil ne contient aucune pièce accessible par l utilisateur Advertencia A fin de evitar daños personales por corrientes eléctricas peligrosas no...

Page 175: ...orts at both ends of the link Port connection problems are also traceable to the autonegotiation mode or the port interface Table 42 Corrective actions Symptom Probable cause Corrective action All LEDs are off The switch is not receiving AC power Verify that the AC power cord is fastened securely at both ends and that power is available at the AC power outlet The fans are not operating or the airf...

Page 176: ... autonegotiation feature is not present or not enabled at the connected station the BayStack 380 Switch may not be able to determine the correct duplex modes In both situations the BayStack 380 Switch autosenses the speed of the connected station and by default reverts to half duplex mode If the connected station is operating in full duplex mode it cannot communicate with the switch To correct thi...

Page 177: ...cted using the appropriate crossover or straight through cable see Appendix D Connectors and pin assignments on page 201 or that autonegotiation is active Note IEEE 1000BASE TX requires full duplex mode operation with autonegotiation enabled Note Auto MDI X and auto polarity both require that auto negotiation be enabled ...

Page 178: ...178 Chapter 4 Troubleshooting 212859 A ...

Page 179: ...vironmental Table 43 lists environmental specifications for the BayStack 380 Switch Table 43 Environmental specifications Parameter Operating specification Storage specification Temperature 0 to 40 C 32 to 104 F 25 to 70 C 13 to 158 F Humidity 85 maximum relative humidity noncondensing 95 maximum relative humidity noncondensing Altitude 3024 m 10 000 ft 12 096 m 40 000 ft ...

Page 180: ...the BayStack 380 Switch Table 44 Electrical parameters Parameter Electrical specification Input Voltage 100 to 240 VAC 47 to 63 Hz Input Power Consumption 150 W maximum Input current 1 5 A 100 VAC 0 6 A 240 VAC Maximum thermal output 250 BTU hr Table 45 Physical dimensions Parameter Specifications Height 2 77 in 7 04 cm Width 17 25 in 43 82 cm Depth 12 75 in 32 34 cm Weight 10 6 lb 4 8 kg ...

Page 181: ...E 802 3z gigabit ethernet IEEE 802 1Q VLAN Tagging IEEE 802 3x Flow Control with 802 1D compliant device IEEE 802 1D Spanning tree protocol IEEE 802 1p Prioritization Table 46 Performance specifications Parameter Specifications Frame Forward Rate 64 byte packets Up to 3 35 million packets per second pps maximum learned unicast traffic Port Forwarding Filtering Performance 64 byte packets For 10 Mb...

Page 182: ...ability requirements for PC board NOM NOM 019 Electromagnetic emissions The electromagnetic emission standards for the BayStack 380 Switch US CFR47 Part 15 Subpart B Class A Canada ICES 003 Issue 2 Class A Australia New Zealand AS NZS 3548 1995 Class A Japan V 3 97 04 1997 Class A Taiwan CNS 13438 Class A EN55022 1995 Class A EN61000 3 2 1995 EN61000 3 3 1994 Electromagnetic immunity The BayStack ...

Page 183: ...omponents designed for use with Nortel Networks products to allow Gigabit Ethernet ports to link with fiber optic networks Table 47 lists and describes the Nortel Networks SFP GBIC models Note In the BayStack 380 ports 21 through 24 are shared copper and fiber ports A copper port is always active until a SFP GBIC is inserted with an active link Table 47 Nortel Networks SFP GBIC models Model number...

Page 184: ... when a SFP GBIC is disconnected from a fiber optic cable always keep the dust cover over a SFP GBIC s optical bores To clean contaminants from the optical bores of a SFP GBIC use an alcohol swab or equivalent to clean the ferrules of the optical connector Dispose of this product according to all national laws and regulations Note The cable distance may vary depending on the quality of fiber optic...

Page 185: ...n Sie stets davon aus daß das Glasfaserkabel an eine Lichtquelle angeschlossen ist Avertissement L équipement à fibre optique peut émettre des rayons laser ou infrarouges qui risquent d entraîner des lésions oculaires Ne jamais regarder dans le port d un connecteur ou d un câble à fibre optique Toujours supposer que les câbles à fibre optique sont raccordés à une source lumineuse Advertencia Los e...

Page 186: ...k with fiber optic networks Figure 83 shows the SFP GBIC Figure 83 SFP GBIC SFP GBIC labeling The Nortel Networks label on a typical SFP GBIC Figure 84 contains a Nortel Networks serial number a bar code a manufacturer s code an interface type and a part number Figure 84 Nortel Networks SFP GBIC label 10515FA MTRJ GBIC model with extractor button LC GBIC model with extractor tab 10516EA Serial num...

Page 187: ...etwork configuration Table 47 on page 183 3 Remove the dust cover from the SFP GBIC s optical bores 4 Grasp the SFP GBIC between your thumb and forefinger 5 Insert the SFP GBIC into the slot on the front panel of the Gigabit Ethernet switching module Figure 86 Figure 85 Inserting an LC SFP GBIC Note When you contact a Nortel Networks service representative for troubleshooting purposes you must hav...

Page 188: ...ving an SFP GBIC To remove an SFP GBIC 1 Disconnect the network fiber cable from the SFP GBIC connector 2 Depending on your SFP GBIC model either pull the LC extraction tab located in the front of the SFP GBIC below right with your thumb and forefinger or press the button on the bottom of the MT RJ SFP GBIC below left Note SFP GBICs are keyed to prevent incorrect insertion 10517FA Link Act BPS2000...

Page 189: ...f the Gigabit Ethernet module slot 4 If the SFP GBIC does not slide easily from the module slot use a gentle side to side rocking motion while firmly pulling the SFP GBIC from the slot 5 Dispose of the SFP GBIC according to all national laws and regulations Note If you are storing an SFP GBIC remember to place a dust cover over the fiber optic bores 10518FA LC SFP GBIC MT RJ SFP GBIC ...

Page 190: ...ng SFP GBICs 1000BASE SX LC Type on page 190 1000BASE LX LC Type on page 191 1000BASE SX MT RJ Type on page 193 1000BASE SX LC Type The Model 1000BASE SX SFP GBIC provides 1000BASE SX 850 nm short wavelength Gigabit Ethernet connectivity using LC duplex multimode fiber connectors The Model 1000BASE SX SFP GBIC supports full duplex operation only Table 48 SFP GBIC specifications Specification Descr...

Page 191: ...er optic cabling The Model 1000BASE LX SFP GBIC supports full duplex operation only Table 50 describes standards connectors cabling and distance for the Model 1000BASE LX SFP GBIC Table 49 1000BASE SX SFP GBIC specifications Type Specifications Standards Conformity to the following standards 802 3z 1000BASE SX Connectors Duplex LC fiber optic connector Cabling 62 5 µm MMF optic cable 50 µm MMF opt...

Page 192: ...he following standards 802 3z 1000BASE LX Connectors Duplex LC fiber optic connector Cabling 10 µm SMF optic cable Distance 16405 ft 5 km using 10 µm SMF optic cable Wavelength 1300 nm Optical budget 11 0 dB Laser Transmitter Characteristics Minimum launch power 9 0 dBm Maximum launch power 3 dBm Receiver Characteristics Minimum input power 20 dBm Maximum input power 3 dBm ...

Page 193: ...ble 51 1000BASE SX MT RJ SFP GBIC specifications Type Specifications Standards Conformity to the following standards 802 3z Ethernet full duplex Connectors Duplex MT RJ fiber optic connector Cabling 62 5 µm MMF optic cable 50 µm MMF optic cable Distance 275 mm 62 5 µm MMF optic cable 550 mm 50 µm MMF optic cable Optical budget 7 dB Laser Transmitter Characteristics Wavelength 850 nm Maximum spectr...

Page 194: ...consolidates multiple optical channels using specific wavelengths to expand available bandwidth on a common optical fiber About the optical routing system CWDM SFP GBICs are a component in the optical routing system designed to support high speed data communication for Metropolitan Area Networks MANs The system uses a grid of eight CWDM optical wavelengths in both ring and point to point configura...

Page 195: ... 70 KM 1570nm Orange AA1419030 AA1419038 40 KM 70 KM 1590nm Red AA1419031 AA1419039 40 KM 70 KM 1610nm Brown AA1419032 AA1419040 40 KM 70 KM Note The cable distance may vary depending on the quality of fiber optic cable used Note CWDM SFP GBICs are installed and removed like any other LC type SFP GBIC Table 52 Nortel Networks CWDM SFP GBIC List continued CWDM SFP GBIC Product number Maximum distan...

Page 196: ... maximum 4 0 dBm 1 0 dBm Transmitter extinction ratio minimum 9 dB Data format 8 B 10 B Average receive power minimum maximum 21 0 dBm 3 0 dBm Power supply maximum 3 15 to 3 45 V 175 mA Operating temperature range 0oC to 60oC Regulatory Class 1 devices per FDA CDRH and 1EC8251 Laser Safety Regulations Optical budget 17 dB Table 54 70 Kilometer CWDM SFP GBIC specifications Item Specification Physic...

Page 197: ... the transmitter and receiver To avoid receiver saturation you must insert a minimum attenuation of 5 dB when testing the CWDM SFP GBIC in loopback mode using short runs of fiber with no intermediate CWDM OADM or CWDM OMUX To determine the expected signal loss for a CWDM OADM CWDM OMUX or fiber length see Installation and Networking Guidelines for Optical Routing part number 212257 A Note Given a ...

Page 198: ...198 Appendix B Installing SFP and CWDM Gigabit Interface Converters GBICs 212859 A ...

Page 199: ...onfiguring BayStack 380 Switch MultiLink Trunking use the flowchart in Figure 88 on page 200 as a quick configuration guide The flowchart refers you to the configuration rules appropriate for this feature To open the MultiLink Trunk Configuration screen Choose MultiLink Trunk Configuration or press t from the MultiLink Trunk Configuration Menu screen ...

Page 200: ...ure STP field Enable Trunk Status field see MultiLink Trunking Configuration Rules Configure trunk members see MultiLink Trunking Configuration Rules BS45050A Are all trunk members configured Is trunk STP Enabled Yes Is trunk Enabled Yes No Done MultiLink Trunk Configuration screen Off page reference On page reference Key ...

Page 201: ...1000BASE TX port connectors The RJ 45 port connectors Figure 89 are wired as MDI X ports to connect end stations without using crossover cables See MDI and MDI X devices on page 203 for information about MDI X ports For 10BASE T connections use Category 3 or higher UTP cable For 100BASE TX 1000BASE TX connections use only Category 5 UTP cable Figure 89 RJ 45 8 pin modular port connector 1 8 616EA ...

Page 202: ...45 port connector pin assignments Pin Signal Description 1 RX Receive Data 2 RX Receive Data 3 TX Transmit Data 4 Not applicable Not applicable 5 Not applicable Not applicable 6 TX Transmit Data 7 Not applicable Not applicable 8 Not applicable Not applicable Table 56 1000BASE T Pin Connectors Pin Type of Data 1 Bi directional data A 2 Bi directional data A 3 Bi directional data B 4 Bi directional ...

Page 203: ...n The following sections describe the use of straight through and crossover cables for connecting MDI and MDI X devices MDI X to MDI cable connections The BayStack 380 Switch features Auto MDI MDI X detection With auto negotiation enabled you can use straight Category 5 cables for MDI to MDI X connections Auto polarity The BayStack 380 Switch features auto polarity With autonegotiation enabled aut...

Page 204: ...not used This configuration enables a management station a PC or console terminal to connect directly to the switch using a straight through cable Figure 90 DB 9 Console port connector Table 57 lists the DB 9 Console port connector pin assignments Table 57 DB 9 Console port connector pin assignments Pin Signal Description 1 CD Not used 2 TXD Transmit data output 3 RXD Receive data input 4 DSR 5 GN...

Page 205: ...Setup screen on page 99 In Band Switch IP Address 0 0 0 0 no IP address assigned In Band Subnet Mask 0 0 0 0 no subnet mask assigned Default Gateway 0 0 0 0 no IP address assigned Read Only Community String public SNMP Configuration screen on page 104 Read Write Community String private Trap IP Address 0 0 0 0 no IP address assigned Community String Zero length string Authentication Trap Enabled L...

Page 206: ...on screen on page 115 Security Disabled Find an Address blank field MAC Address Security Table screens on page 117 MAC Address no address assigned Allowed Source blank field Display Create MAC Address 00 00 00 00 00 00 Create VLAN 1 VLAN Configuration screen on page 121 Delete VLAN blank field VLAN Name VLAN VLAN number Management VLAN Yes VLAN 1 VLAN Type Port based VLAN State Inactive Subnet Add...

Page 207: ... for all ports Speed Duplex 100Mbs Half when Autonegotiation is Disabled Trunk 1 to 6 depending on configuration status MultiLink Trunk Configuration Menu screen on page 136 Trunk Members Unit Port Blank field STP Learning Normal Trunk Mode Basic Trunk Status Disabled Trunk Name Trunk 1 to Trunk 6 Traffic Type Rx and Tx MultiLink Trunk Utilization screen on page 140 Table 58 Factory default settin...

Page 208: ...dge Priority 8000 read only Spanning Tree Switch Settings screen on page 159 Designated Root 8000 bridge_id read only Root Port 0 read only Root Path Cost 0 read only Hello Time 2 seconds read only Maximum Age Time 20 seconds read only Forward Delay 15 seconds read only Bridge Hello Time 2 seconds read only Bridge Maximum Age Time 20 seconds read only Bridge Forward Delay 15 seconds read only TELN...

Page 209: ...maining nine fields 255 255 255 255 any address is allowed Image Filename Zero length string Software Download screen on page 164 TFTP Server IP Address 0 0 0 0 no IP address assigned Start TFTP Load of New Image No Configuration Image Filename Zero length string Configuration File Download Upload screen on page 168 TFTP Server IP Address 0 0 0 0 no IP address assigned Copy Configuration Image to ...

Page 210: ...210 Appendix E Default settings 212859 A ...

Page 211: ...mple of a BootP configuration file that was extracted from a Nortel Networks EZ LAN network management application Note that other BootP daemons can use a configuration file with a different format Before using your switch BootP facility you must customize your BootP configuration file with the appropriate data Blank lines and lines beginning with are ignored Legend first field hostname ht hardwar...

Page 212: ...PTAB TXT file the Bootp protocol assigns 037 to the client Global entries are defined that specify the parameters used by every device Note that hardware type ht is specified first in the global entry The following global entry is defined for an Ethernet device Note that this is where a client s subnet mask sm and default gateway gw are defined global1 ht ethernet hd c opt images sm 255 255 255 0 ...

Page 213: ... Filename field 166 Bridge Forward Delay field 161 Bridge Hello Time field 161 Bridge Maximum Age Time field 161 Bridge Priority field 160 Broadcasts field 145 Business Policy Switch front panel 26 C Clear All Port Statistics option 109 Collisions field 147 Comm Port Data Bits field 150 Comm Port Parity field 150 Comm Port Stop Bits field 150 Community String field 105 Configurable field 100 confi...

Page 214: ...1 Flooded Packets field 147 Forward Delay field 161 G GBIC cleaning 184 connectors 190 description 183 194 dimensions 190 disposal 184 189 handling 184 installation 187 introduction 186 194 labels 186 Model 1000BASE LX 191 1000BASE SX 190 191 1000BASE XD 193 removal 188 specifications 190 196 storing 184 189 Gigabit Ethernet ports linking with fiber optic networks 27 183 186 H Hello Interval 160 1...

Page 215: ...Event Log 98 Display Port Statistics 109 Display Spanning Tree Switch Settings 156 IP Configuration 97 Logout 98 MAC Address Table 109 MultiLink Trunk Configuration 109 Port Configuration 109 Port Mirroring Configuration 109 Reset 97 98 Reset to Default Settings 98 SNMP Configuration 97 Software Download 97 Spanning Tree Configuration 97 Spanning Tree Port Configuration 156 Switch Configuration 97...

Page 216: ...uration Menu 155 Spanning Tree Configuration option 97 Spanning Tree Port Configuration option 156 Spanning Tree Port Configuration screen 156 Spanning Tree Switch Settings screen 159 specifications GBIC 190 196 specifications Model 1000BASE LX 191 1000BASE SX 191 1000BASE XD 193 Speed Duplex field 133 standards 43 Start TFTP Load of New Image field 167 State field 158 Status field 132 support Nor...

Page 217: ...n screen 162 text conventions 20 TFTP Server IP Address field 167 169 Total Octets field 146 Trap IP Address fields 105 Trivial File Transfer Protocol TFTP software download 165 troubleshooting 187 port interface 176 power up sequence 175 tutorial IEEE 802 1Q tagging 56 IEEE 802 1Q VLAN workgroups 55 U Undersized Packets field 146 Uplink Expansion slot 27 V virtual LAN VLAN configuration rules 70 ...

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