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Analyzing Network Performance

6-2 Cajun P220G Switch Configuration and Operation G uide

Figure 6-1. Port Statistics Screen

2. Click Clear Counters if you want to get a fresh look at statistics being gathered.

This resets all of the counters in the Normalized rows to zero, so that you can track
the counters from a particular point forward.

3. Select the port that you want to view statistics for by clicking on the port number

in the port field. The Ethernet Interface Statistics screen for the selected port
displays (Figure 6-2):

Содержание P220G

Страница 1: ...Cajun P220G Gigabit Switch Configuration and Operation Guide Document Number 610 0065 041...

Страница 2: ...f any products specified in this document Lucent disclaims responsibility for errors which may appear in this document and it reserves the right in its sole discretion and without notice to make subst...

Страница 3: ...2 4 Entering Basic System Information 2 6 Setting the P220G s System Clock 2 6 Providing an Optional Online Help Server 2 7 Adding the Document Files to an Existing Server 2 7 Installing the Document...

Страница 4: ...ing Spanning Tree Bridge Ports 3 14 Using Hunt Groups to Aggregate Bandwidth Between Switches 3 16 Before Configuring Hunt Groups 3 16 Configuring Hunt Groups Using the Embedded Web Server 3 17 Adding...

Страница 5: ...g System Events 7 5 Viewing the Switch Event and Shutdown Logs 7 8 Checking Power and Cooling Functions 7 11 3 11 4 Overview 8 1 Using the Interface 8 1 Basic Keyboard Commands 8 2 Command Line Histor...

Страница 6: ...o manage buffers and queues Chapter 6 explains how to manage address forwarding tables Chapter 7 explains how to analyze your network using RMON and Ethernet Statistics Chapter 8 provides the commands...

Страница 7: ...Preface viii Cajun P220G Switch Configuration and Operation Guide...

Страница 8: ...rs an unrivaled combination of capacity and Class of Service Quality of Service CoS QoS features The system satisfies the demanding requirements of the bandwidth starved campus backbone and high perfo...

Страница 9: ...mory switches have an inherent maximum upper boundary in throughput that makes high density single backplane gigabit switches impractical This means that as you increase the number of gigabit ports in...

Страница 10: ...network managers with two significant capabilities The ability to segment traffic in a flat switched network This helps prevent traffic from being forwarded to stations where it is not needed The abi...

Страница 11: ...port in a group fails the remaining ports in the group pick up the traffic load Support for any number of same speed connections in a group Quicker recovery from link failure If a port in the group fa...

Страница 12: ...nd PACE priority signalling Switch supports translation to and from any format A packet can enter the switch with a 3Com SuperStack II VLAN tag and exit the switch as a multi layer tagged packet Figur...

Страница 13: ...g tree reconfiguration Per VLAN operation which allows you to use more of the available bandwidth when you have redundant links A particular link can be blocked on one VLAN but still forward packets o...

Страница 14: ...backpressure Half duplex ports use active backpressure to jam input ports when their frame buffers are full Full duplex links use IEEE 802 3x pause control frames to pause traffic when buffers are ful...

Страница 15: ...SNMP and HTML based agent compatible with popular Web browsers provides top to bottom switch management 1 Smart Agent the software for the Supervisor Module has the following features Built in suppor...

Страница 16: ...ng the Web Agent Providing an Optional Online Help Server Configuring User Accounts Configuring Port Parameters Using the Web Agent Setting Up SNMP Communities Changing the Console Serial Port Setting...

Страница 17: ...displays Lucent Technologies P220G Switch Agent v1 x x Press Ctrl P for previous command Ctrl N for next command for help Login Note The user name and password are case sensitive 5 Enter the username...

Страница 18: ...onsole port Depending on which IP addresses you have assigned you can connect to the system either in band or out of band using the 10Base T port on the front panel To connect using the console 10Base...

Страница 19: ...Explorer 3 0 or later To log in to the Web Agent complete the following steps 1 Start your browser 2 Enter the URL of the switch you want to manage in the Location field example http 127 253 253 0 Eac...

Страница 20: ...ess and or configure the following information using the scrolling list at the left hand side of the Web Agent System Configuration discussed in later in this chapter and Chapter 4 System Information...

Страница 21: ...Agent The System Information screen displays Figure 2 2 2 Enter a name for the switch in the Name field 3 Enter the location of the switch floor and closet location for example in the Location field 4...

Страница 22: ...e help files available from an existing server complete the following steps 1 Install the documentation onto the server that can be any Windows 95 or NT station on the network from the user documentat...

Страница 23: ...4 On line Help Configuration Screen 2 Enter the host name or IP address of the HTTP server in the Http Server Location field If you are using the Lucent documentation server follow the server name wi...

Страница 24: ...eb Agent The User Account Management screen displays Figure 2 5 Figure 2 5 User Account Management Screen 3 Use the information in Table 2 3 to select the default user login parameter Check the approp...

Страница 25: ...pull down menu to select an access type The access types are listed in Table 2 4 Table 2 4 User Account Access Levels 8 Click APPLY to apply the settings Click CANCEL to return the current switch sett...

Страница 26: ...mple To configure ports on a gigabit module complete the following steps 1 Select Physical Ports from the menu on the left side of the Web Agent The Physical Ports Configuration screen appears Figure...

Страница 27: ...areas of the network Enable Disable Determines whether or not the port is able to pass traffic Port Name A user assigned name for this port possibly a drop name or the name of the station or other de...

Страница 28: ...ch port parameters determine how each port performs switching functions for example VLAN parameters and hunt group assignments To configure switch port parameters using the Web Agent complete the foll...

Страница 29: ...e the pull down menus to set each option The All Switch Ports Configuration screen enables you to apply the same parameters using a single command To set these parameters complete the following steps...

Страница 30: ...LANs section in Chapter 3 for more information on creating VLANs To configure port VLAN parameters complete the following steps Note Tagged packets contain VLAN information untagged packets do not co...

Страница 31: ...Between Switches in Chapter 3 for more information on hunt groups 3 Use the Spanning Tree Mode pull down menu to make the appropriate selection if you want to enable or disable spanning tree protocol...

Страница 32: ...ettings Figure Figure 2 12 shows a P220G Switch connected to other vendors equipment Use Tables Table 2 7 through Table 2 9 for recommended switch port settings for each connection type Figure 2 12 P2...

Страница 33: ...inding Static This parameter is ignored when using 3Com VLANs Automatic VLAN Creation Disable This parameter is ignored when using 3Com VLANs Port VLAN Default causes untagged packets to be assigned t...

Страница 34: ...gement Screen 2 Click Create The Create SNMP Community screen displays Figure 2 14 Figure 2 14 Create SNMP Community Screen 3 Enter a community name in the Community String field This string serves as...

Страница 35: ...traps to be sent to the selected IP address 8 Click APPLY to create the community string Click CANCEL to return the display to the current switch settings readonly View switch configuration settings...

Страница 36: ...e left side of the Web Agent The Console Port Configuration screen displays Figure 2 15 Figure 2 15 Console Port Configuration Screen 2 Choose from the following available settings listed in Table Tab...

Страница 37: ...Configuring the P220G Gigabit Switch 2 22 Cajun P220G Switch Configuration and Operation Guide...

Страница 38: ...or each station Create logical workgroups for users who share the same system resources file servers printers etc VLANs also have the advantage of not being limited by physical switch domains Users in...

Страница 39: ...guring VLAN parameters 3 Creating 3Com mapping tables 4 Assigning ports to the VLANs The following sections describe these steps in detail To create a VLAN complete the following steps 1 Select Virtua...

Страница 40: ...N Click CANCEL to return the display to the current switch settings Name Name of string assigned to this VLAN ID Identifier used throughout the network to identify this VLAN If you want ports on more...

Страница 41: ...following steps 1 Select Virtual LANs from the menu on the left side of the Web Agent The VLAN Configuration screen displays Figure 3 1 2 Click on the name of a the VLAN whose members you want to vie...

Страница 42: ...for a description of this parameter 8 Click APPLY to confirm any changes Click CANCEL to return the display to the current switch settings Port Name The user assigned name for this port Binding Type...

Страница 43: ...separate 3Com VLAN 1 is mapped to P220G switch VLAN 50 in another part of the network This feature also enables you to map 1 of the 16 3Com VLANs to a VLAN ID higher than 16 if desired To create a VLA...

Страница 44: ...m devices its possible that some parts of a network will use different VLAN mappings for incoming 3Com tagged packets The P220G switch enables you to create additional 3Com mapping tables to use in si...

Страница 45: ...ayer spanning trees If you use the default 802 1d Spanning Tree option the entire switch is a bridge for which spanning tree parameters can be set Every port regardless of VLAN membership is part of t...

Страница 46: ...s shown in Figure 3 7 Figure 3 7 Multi layer Spanning Tree Multi layer spanning trees are also isolated from the main legacy spanning tree and are therefore smaller and converge faster This is a huge...

Страница 47: ...onfiguration pull down menu The options are listed in Table 3 3 Table 3 3 Spanning Tree Types 3 Click APPLY to confirm your selection Click CANCEL to return the display to the current switch settings...

Страница 48: ...ets the maximum amount of time that this bridge retains bridging information before discarding When the maximum age expires the bridge assumes it has lost connection to the network and sends out reque...

Страница 49: ...anning tree protocol to resolve redundant connections To set all ports that are associated with a selected bridge to Fast Start mode complete the following steps 1 Select Spanning Tree from the menu o...

Страница 50: ...n and Operation Guide 3 13 Figure 3 11 Spanning Tree Port Configuration 4 Select Enable from the Fast Start mode to enable the Fast Start mode on the selected module ports 5 Click APPLY to confirm the...

Страница 51: ...m has set this port s state to block meaning that it is enabled but not passing traffic Listening The port is in a transitional state waiting for the spanning tree algorithm to determine whether it sh...

Страница 52: ...is more likely to be chosen as the primary path in the spanning tree Path Cost Sets the spanning tree path cost for this port The ports that you prefer be used by the spanning tree should have the lo...

Страница 53: ...teps 1 Create hunt groups on the switches you are aggregating bandwidth between 2 Assign ports to the Hunt Group 3 Enable the ports The following sections explain how to complete these steps There are...

Страница 54: ...Disable all of the ports you are adding to the hunt group if this is a new hunt group If you are adding ports to an existing hunt group disable the ports you are adding Note To disable the ports compl...

Страница 55: ...a check next to the hunt group name Members Link Lists port numbers of port that are members of the selected hunt group Redistribute Button Redistributes the hunt group learned addresses Click Redist...

Страница 56: ...mode on the ports you are adding to the hunt group to Disable then click APPLY 3 Click Back on the Browser to return to the modules menu 4 Click the number in the switch ports column from the table r...

Страница 57: ...Using VLANs Spanning Tree and Hunt Groups 3 20 Cajun P220G Switch Configuratiion and Operation Guide...

Страница 58: ...sure that the high priority traffic is being processed as expected To make sure that buffers are not timing out too quickly when passing traffic to slower ports The following sections describe the P22...

Страница 59: ...ue Since a frame spends less time on the high priority queue less buffer space is required for the queue The Service Ratio can be chosen to match traffic patterns and performance requirements using a...

Страница 60: ...ongested However there is an optional mode in which normal priority frames are never dropped inside the switch In this mode input buffers may fill up If they do the affected input ports may use flow c...

Страница 61: ...P220G Switch Configuration and Operation Guid e Figure 4 3 Buffer Detail Configuration Screen Note The fields are defined in Table 4 1 3 Click APPLY to apply the changes Click CANCEL to return the di...

Страница 62: ...the value at which the P220G switch starts sending packets to the high priority queue The default value 4 causes all traffic with a priority greater than 4 5 6 and 7 to be assigned to the high priori...

Страница 63: ...Fast Ethernet port have additional buffers on both the input and output ports to help manage entry into the switch matrix and the potential for congestion caused by high volumes of traffic at the outb...

Страница 64: ...orwarding Table Manually You can configure the following when using the address forwarding table Address Age Time defines the length of time addresses remain active in the address forwarding table Sup...

Страница 65: ...d The default of 300 seconds is the recommended default Aged out addresses become invalid until the switch sees another packet with the aged out entry s source address or until the address is aged out...

Страница 66: ...able Configuration from the menu on the left side of the Web Agent The Address Forwarding Table Configuration screen displays Figure 5 1 2 Change the Auto Sizing Utilization Threshold in the Address T...

Страница 67: ...packets for a few seconds Click DELETE ALL LEARNED ENTRIES if you want to relearn the entire table Click DELETE ALL INVALID LEARNED ENTRIES if you want to delete all entries that are currently aged ou...

Страница 68: ...to search for ports associated with a particular VLAN 4 Check the box next to Port and select a slot and port number from the pull down menu to display only entries associated with a particular switch...

Страница 69: ...the table Group The group ID for the VLAN this port belongs to TbIInst Table Instance another ID for the VLAN the port belongs to Persistence The persistence of the entry in the table settable on all...

Страница 70: ...Address Configuration Screen 2 Enter the MAC address that you want to add to the table then press Tab 3 Select a VLAN for this entry from the pull down menu then press Tab 4 Enter the switch port that...

Страница 71: ...ent The address is saved in non volatile memory and is not aged out of the table Ageout Address is cleared from the address forwarding table when the timeout interval expires This is the state of all...

Страница 72: ...Viewing Statistics Intrepreting Statistics Setting Up a Mirror Port The switch interface provides a variety of statistics that enable you to monitor network performance and troubleshoot network proble...

Страница 73: ...et a fresh look at statistics being gathered This resets all of the counters in the Normalized rows to zero so that you can track the counters from a particular point forward 3 Select the port that yo...

Страница 74: ...Analyzing Network Performance Cajun P220G Switch Configuration and Operation Guide 6 3 Figure 6 2 Ethernet Interface Statistics Screen...

Страница 75: ...6 1 lists suggestions on interpreting statistics Table 6 1 Interpreting Statistics Bytes Counts the raw number of octets received at the interface Provides some indication of the amount of network ban...

Страница 76: ...In general each VLAN creates a separate broadcast domains More VLANs mean less proliferation of broadcast packets Monitor the broadcast rate of your network during normal operation Establish a baselin...

Страница 77: ...port error statistics to isolate the problem Check the transceiver or adapter card connected to the port where the problem seems to originate Also check the cable and cable connections for damage Cau...

Страница 78: ...of times that packets have collided on the network Collisions increase as network use of shared segments increases Therefore if the collision rate increases without an increase of network use it might...

Страница 79: ...sociated with a fabric port You can also choose to mirror all traffic from a particular fabric port to the mirror port You can also set up multiple source ports to mirror traffic to a single mirror po...

Страница 80: ...itch Once a particular port associated with a fabric port has been designated a mirror port other ports associated with that fabric port no longer display on the selection list Sampler Type Selects ho...

Страница 81: ...Analyzing Network Performance 6 10 Cajun P220G Switch Configuration and Operation G uide...

Страница 82: ...king Temperature Status and Setting Thresholds Checking Active Alarms Setting Log Sizes and Activating System Events Viewing the Switch Event and Shutdown Logs Checking Power and Cooling Functions Fig...

Страница 83: ...are failure Off No link Port Solid green Port enabled with link up Flashing green Port disabled with link up Flashing yellow Hardware failure Off No link HD FD Solid green Full duplex operation negoti...

Страница 84: ...en temperature thresholds are exceeded To view the Temperature System complete the following steps 1 Select Temperature from the menu on the left side of the Web Agent The Temperature System screen di...

Страница 85: ...e 7 3 Figure 7 3 Active Alarms High Warning Temperature The value in degrees Celsius that when exceeded causes the switch to send a trap to the network management station Upper Warning Temperature The...

Страница 86: ...s and to configure and activate system events To do this complete the following steps 1 Select Event Configuration from the menu on the left side of the Web Agent The Event Management screen displays...

Страница 87: ...setting for these values The system also has 11 event classes that you can configure actions for The event classes are listed in Table 7 4 Event Log A detailed ongoing record of events that occur in t...

Страница 88: ...ion is sent Configuration Determines whether or not the switch sends a notification for each configuration change enabling and disabling ports for example and how the notification is sent Temperature...

Страница 89: ...nerally in a smaller table because the table is stored in the switch s non volatile RAM NVRAM This log list is particularly useful in assessing the cause of a switch failure because the information is...

Страница 90: ...ty Level from the Severity Level pull down menu to filter on a particular severity level for events 3 Select and event type from the Event Type pull down menu to filter on a particular Event Type 4 Cl...

Страница 91: ...ilities are Informative includes events such as changes in the port status new resources such as adding a module and any spanning tree topology changes Warning includes events such as a low temperatur...

Страница 92: ...11 To check the power and cooling functions click Power System Figure 7 8 or Cooling System Figure 7 9 You cannot change the information in these screens however the information maybe helpful when tr...

Страница 93: ...Monitoring the P220G Gigabit Switch 7 12 Cajun P220G Switch Configuration and Operation Guide...

Страница 94: ...ble from the serial port RS 232 or using Telnet The command line interface works like a command line parser but it also provides a menu like interface to help guide the user through the selection proc...

Страница 95: ...telnet Telnet protocol telnet host user User Account configuration verbose Toggle verbose mode version vlan VLAN configuration 3 The basic keyboard commands are listed in Table 8 1 Table 8 1 Basic Key...

Страница 96: ...menu levels To get help for net type in net followed by the Enter key or type in net Also in verbose mode typing in net followed by a space character will also display the help You can add the CPU to...

Страница 97: ...ograms including the Element Manager Syntax Table 8 3 lists the community command syntax Table 8 3 community Syntax community set access 1 none 2 readonly 3 readwrite addrType 1 any 2 IP comString str...

Страница 98: ...to this string currentIndex Selects which community string you are working on currently ipAddress Assigns a specific IP address to the currentIndex If the address type is set to 2 IP the switch uses...

Страница 99: ...ndex so that subsequent commands affect the newly added string Sets the IP address associated with the string to 146 115 0 0 1 P220 com set comString private 2 P220 com get all Index String IP Address...

Страница 100: ...ommunications parameters for the serial port on the front panel Syntax Table 8 5 lists the console command syntax Table 8 5 console Command Syntax Parameters Table 8 6 lists the console command parame...

Страница 101: ...change your console terminal to new baudrate baudrate Enter the baud rate of the attached terminal The default is 9 600 databit Number of data bits in each byte The default is 8 flowctrl None hardware...

Страница 102: ...he following chart lists the download command syntax Parameters Table 8 7 lists the download command parameters Table 8 7 download Command Parameters Example P220 download app2 146 0 227 125 tftpboot...

Страница 103: ...n and Operation Guide event Purpose Enables you to view switch based event and alarm logs Syntax Table 8 8 lists the event command syntax Table 8 8 event Command Syntax Parameters Table 8 9 lists the...

Страница 104: ...le 1 Module 1 3 5 97 Aug 27 17 57 41 Informative 20 0 New Resource Module 6 Module 6 alarm Displays the table of currently active alarms This table is a good indicator of the current system health cle...

Страница 105: ...Using the Command Line Interface 8 12 Cajun P220G Switch Configuration and Operation Guide exit Purpose Exits the system Syntax exit Parameters None Example P220 exit Login...

Страница 106: ...on and Operation Guide 8 13 feprom Purpose Establishes what code area the switch will run operational code from after the next reboot Syntax feprom set area feprom get Parameters area Determines which...

Страница 107: ...t Protocol Suite This allows you to connect to the switch inband over the network or using IP over the Ethernet and serial console ports Syntax Table 8 10 lists the net command syntax Table 8 10 net C...

Страница 108: ...location IP address of the router port for the subnetwork that interface resides on address IP address expressed on decimal dot notation nnn nnn nnn nnn mask Subnetwork mask for the subnetwork The su...

Страница 109: ...ajun P220G Switch Configuration and Operation Guide nvram Purpose Use this command to erase all configuration information saved in the switch restoring factory defaults Syntax nvram initialize Paramet...

Страница 110: ...n P220G Switch Configuration and Operation Guide 8 17 pause Purpose Pauses execution of operational code Use this command to delay script execution Syntax Parameters Example P220 pause 1200 pause time...

Страница 111: ...vity with a host named jefferson P220 ping 146 115 106 5 host 146 115 106 5 max tries 5 delay 1 000 1 ok RTT 0 010 seconds 2 ok RTT 0 000 seconds 3 ok RTT 0 010 seconds 4 ok RTT 0 000 seconds 5 ok RTT...

Страница 112: ...itch ports Syntax Parameters Table 8 13 lists the port command parameters Table 8 13 port Command Parameters port set mode slot port enable or disable get module slot port slot port all mode Sets the...

Страница 113: ...uration and Operation Guide Example The port command displays port information for the first port in the sixth slot on the switch P220 port get port 6 1 Port Configuration for module 6 Port Type Conne...

Страница 114: ...Line Interface Cajun P220G Switch Configuration and Operation Guide 8 21 reset Purpose Enables you to perform a warm reboot of the switch system Syntax reset Parameters None Example P220 reset Confirm...

Страница 115: ...Table 8 14 lists the rtc command parameters Table 8 14 rtc Command Parameters Example Use the rtc command to set the system date to August 28 1997 P220 rtc set date 08 28 1997 The date is currently s...

Страница 116: ...the super user password Yes y Old Password New Password Re type New Password User Password Changed Successfully What do you want the switch manager s console Ethernet IP Address to be ex 255 111 222 3...

Страница 117: ...0 r5 0x00000000 r6 0x00000000 r7 0x00000000 r8 0x00000000 r9 0x00000000 r10 0x00000000 r11 0x00000000 r12 0x00000000 r13 0x00000000 r14 0x00000000 r15 0x00000000 r16 0x00000000 r17 0x00000000 r18 0x00...

Страница 118: ...osts Syntax telnet host Parameters Example The following command establishes a connection to another switch P220 telnet 146 115 106 231 translating 146 115 106 231 ok connecting to host 146 115 106 23...

Страница 119: ...up and administer switch user names and passwords These passwords are used by the web server interface as well Syntax Parameters Table 8 15 lists the user command parameters and Table 8 16 lists the u...

Страница 120: ...ated user user_id Identification number of a user in the user list Use the user list command to see a list of currently created users add Adds a new user to the user list name Login name for the new u...

Страница 121: ...bar displays options automatically verbose on and a mode where the interface requires the key before providing help Syntax Parameters Table 8 17 lists the verbose command parameters Table 8 17 verbose...

Страница 122: ...names and ID numbers delete VLANs display VLAN configurations Syntax Parameters Table 8 18 lists the vlan command parameters vlan display vlan vlan_id 3ComTable tableIndex IEEEProtocolType create del...

Страница 123: ...IEEE Protocol identifier or 3Com VLAN map table create Creates the specified VLAN VLAN assignment 3Com Mapping Table or 3Com Mapping Table assignment delete Deletes the specified VLAN VLAN assignment...

Страница 124: ...entify the location of the TFTP server using the FEPROM Update screen 4 Select the appropriate download location 5 Start the download 6 Reboot the switch after the download successfully completes To p...

Страница 125: ...gure 1 1 Figure 1 1 FEPROM Contents Window 5 Decide which version of code you want to keep as a backup in the event of problems with the newly downloaded image and make sure that you download to the o...

Страница 126: ...nal image in the File Name field 5 Use the pull down menu at the TFTP Target Section prompt to select either APP1 or APP2 This ensures that the switch downloads the file to the correct memory location...

Страница 127: ...configuration complete the following steps 1 Select Memory Subsystem from the navigation bar of the web agent 2 Select TFTP Update 3 Enter the IP address of the TFTP server you want to access 4 Enter...

Страница 128: ...to Increment Table Size 5 4 Hash Table Size 5 4 instance IDs 5 3 MAC addresses 1 3 persistence options 5 8 reconfiguration 5 3 Super Age Time 5 1 5 2 Address Forwarding Table Configuration screen 5 2...

Страница 129: ...nity 8 4 console 8 7 download 8 9 event 8 10 exit 8 12 feprom 8 13 keyboard 8 2 net 8 14 nvram 8 16 pause 8 17 ping 8 18 port 8 19 reset 8 21 rtc 8 22 setup 8 23 telnet 8 25 user 8 26 verbose 8 28 vla...

Страница 130: ...7 Event Log Selected Entries screen 7 9 Event Log screen 7 8 Event logs 7 6 Event Management screen 7 5 Event type log 7 10 exit command 8 12 Expansion module optional 1 1 Fabric ports 1 2 4 3 4 5 Age...

Страница 131: ...l 7 1 Link aggregation 3 16 Link discovery protocol 3 16 LinkSwitch 3Com 3 6 Listening State Spanning Tree 3 14 Load Sharing 3 19 load sharing 3 19 Log Event 7 6 event 7 8 event type 7 10 events 7 6 s...

Страница 132: ...2 Configuring 2 12 Enabling 2 11 endstation 3 12 I O 4 1 Priority 5 6 Priority Threshold fabric port 4 5 Queues Service ratio 4 2 service ratio 1 7 Switch queues 4 1 READ_ONLY User user account access...

Страница 133: ...s ports 2 11 terminal 2 1 setup command 8 23 Shutdown Log 7 6 Shutdown log 7 8 Shutdown Log screen 7 9 Single copy replication 1 2 Smart Agent 1 8 SNMP 1 8 SNMP Administration 2 19 SNMP communities se...

Страница 134: ...eceiver Create SNMP Community screen 2 20 Undersize and Oversize Packets statistics 6 6 Upper Warning Temperature 7 4 User account password 2 10 user name 2 10 User account access level ADMINSTRATOR 2...

Страница 135: ...2 4 managing spanning tree 3 10 Physical Ports 2 11 Sampling 6 8 screen 2 4 SNMP Administration 2 19 Spanning Tree 3 10 3 12 Table Configuration 5 2 5 3 temperature 7 3 Virtual LANs 3 2 3 4 Web based...

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