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15.3 Port

Schedulers

This section provides an overview of QoS Egress Port Schedulers for all switch ports
and the ports belong to the currently selected stack unit, as reflected by the page
header.

Web Interface

To display the QoS Port Schedulers in the web interface:

1.

Click Configuration, QoS, Port Schedulers.

2.

Display the QoS Egress Port Schedulers.

Figure 3-15.3: The QoS Egress Port Schedules

Click the Port index to set the QoS
Egress Port Schedulers

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Содержание MAXIINET VI3010

Страница 1: ...Inc All rights reserved All brand and product names are trademarks or registered trademarks of their respective companies MaxiiNetTM VI3010 Operational Manual 10 Port Series PoE L2 Plus Managed Switch...

Страница 2: ...is manual gives specific information on how to operate and use the management functions of the Vi3010 The manual is intended for use by network administrators who are responsible for operating and mai...

Страница 3: ...to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates...

Страница 4: ...ilege Level 19 2 4 IP 21 2 4 1 IPV4 21 2 4 2 IPV6 23 2 5 Syslog 24 2 5 1 Configuration 24 2 5 2 Log 25 2 5 3 Detailed Log 26 2 6 SNMP 27 2 6 1 System 27 2 6 2 Configuration 28 2 6 3 Communities 29 2 6...

Страница 5: ...P Snooping 77 3 5 1 Basic Configuration 77 3 5 2 VLAN Configuration 79 3 5 3 Port Group Filtering 81 3 5 4 Status 83 3 5 5 Group Information 84 3 5 6 IPV4 SSM Information 85 3 6 MLD Snooping 87 3 6 1...

Страница 6: ...Port Status 137 3 11 5 Private VLANs 139 3 11 6 MAC Based VLAN 141 3 11 6 1 Configuration 141 3 11 7 Protocol Based VLAN 144 3 12 Voice VLAN 149 3 12 1 Configuration 149 3 12 2 OUI 151 3 13 GARP 152...

Страница 7: ...ty 193 3 22 UpnP 195 Chapter 4 Security 196 4 1 Source Guard 196 4 1 1 Configuration 196 4 1 2 Static Table 198 4 1 3 Dynamic Table 199 4 2 ARP Inspection 200 4 2 1 Configuration 200 4 2 2 Static Tabl...

Страница 8: ...start 245 5 2 Firmware 246 5 2 1 Firmware Upgrade 246 5 2 2 Firmware Selection 247 5 3 Save Restore 249 5 3 1 Factory Defaults 249 5 3 2 Save Start 250 5 3 3 Save User 251 5 3 4 Restore User 252 5 4 E...

Страница 9: ...width to deliver information and applications more effectively They provides the ideal combination of affordability and capabilities for entry level networking for the small business or enterprise app...

Страница 10: ...168 1 100 The default username is admin and password should be left empty The first time logging in enter the default username and then click the Login button The Vi3010 supports a simple user managem...

Страница 11: ...enables DHCP so you do not need to have a DHCP server to provide IP addresses to the switch The switch s default IP is 192 168 1 1 Figure 1 Login Page The server 192 168 20 15 at Vi3010 requires a use...

Страница 12: ...Firmware Version Hardware Mechanical Version Serial Number Host IP Address Host Mac Address Device Port RAM Size and Flash Size With this information you will know the software version used MAC addres...

Страница 13: ...is switch Hardware Mechanical version The version of hardware and mechanical The figure before the hyphen is the version of electronic hardware The one after the hyphen is the version of mechanical Se...

Страница 14: ...contact this person The allowed string length is 0 to 255 and the allowed content is the ASCII characters from 32 to 126 System Name An administratively assigned name for this managed node By conventi...

Страница 15: ...tomatic options to set the system time via NTP Manual setting is simple All you have to input is the Year Month Day Hour Minute and Second within the valid value range indicated in each item Web Inter...

Страница 16: ...r And when the time passes over the ending time the system time will be decreased one hour after one minute at the time since it passed over The valid configurable daylight saving time is 5 to 5 step...

Страница 17: ...he switch supports configurable time zone from 12 to 13 in 1 hour steps Default Time Zone 8 Hrs Web Interface To configure Time in the web interface 1 Click SYSTEM NTP 2 Specify the Time parameter in...

Страница 18: ...istrator guest identity in the field of Authorization in advance before configuring the username and password Only one administrator is allowed to exist and cannot be deleted In addition up to 4 guest...

Страница 19: ...5 it can access all groups e g Level 15 is granted the full control of the device But others value need to refer to each group privilege level User s privilege should be same or greater than the group...

Страница 20: ...DP MED MAC Table MRP MVR MVRP Maintenance Mirroring POE Ports Private VLANs QoS SMTP SNMP Security Spanning Tree System Trap Event VCL VLANs Voice VLAN and Privilege Levels from 1 to 15 Web Interface...

Страница 21: ...IP source guard IP Everything except ping Port Everything except VeriPHY Diagnostics ping and VeriPHY Maintenance CLI System Reboot System Restore Default System Password Configuration Save Configura...

Страница 22: ...ubstantial movement to adopt a new version of the Internet Protocol IPv6 which would have 128 bits Internet Protocol addresses This number can be represented roughly by a three with thirty nine zeroes...

Страница 23: ...DNS lookup IP Address Provides the IP address of this switch in dotted decimal notation IP Mask Provides the IP mask of this switch dotted decimal notation IP Gateway Provides the IP address of the r...

Страница 24: ...conds the total time needed to complete auto configuration can be significantly longer Address Provides the IPv6 address of this switch IPv6 address is in 128 bit records represented as eight fields o...

Страница 25: ...ble it 4 Click Apply Figure 2 5 1 The System Log Configuration Server Mode Indicates the server mode operation When the mode operation is enabled the syslog message will send out to syslog server The...

Страница 26: ...Level Level of the system log entry The following level types are supported Information level of the system log Warning Warning level of the system log Error Error level of the system log All All leve...

Страница 27: ...n the web interface 1 Click Syslog Detailed Log 2 Display the log information Figure 2 5 3 The Detailed System Log Information ID The ID 1 of the system log entry Message The detailed message of the s...

Страница 28: ...Trap Host IP Address Trap and all MIB counters will be ignored This section describes how to configure SNMP System on the switch This function is used to configure SNMP settings including community na...

Страница 29: ...string will be associated with SNMPv3 communities table It provides more flexibility to configure the security name than a SNMPv1 or SNMPv2c community string In addition to the community string a par...

Страница 30: ...6 2 The SNMPv1 v2 Communities Security Configuration Delete Check to delete the entry It will be deleted during the next save Community Indicates the community access string to permit access to SNMPv...

Страница 31: ...he allowed content is ASCII characters from 33 to 126 Security Level Indicates the security model that this entry should belong to Possible security models are NoAuth NoPriv No authentication and no p...

Страница 32: ...to 40 The allowed content is ASCII characters from 33 to 126 Privacy Protocol Indicates the privacy protocol that this entry should belong to Possible privacy protocols are DES An optional flag to ind...

Страница 33: ...MP Groups Configuration Delete Check to delete the entry It will be deleted during the next save Security Model Indicates the security model that this entry should belong to Possible security models a...

Страница 34: ...ave View Name A string identifying the view name that this entry should belong to The allowed string length is 1 to 32 and the allowed content is ASCII characters from 33 to 126 View Type Indicates th...

Страница 35: ...me A string identifying the group name that this entry should belong to The allowed string length is 1 to 32 and the allowed content is ASCII characters from 33 to 126 Security Model Indicates the sec...

Страница 36: ...lowed content is ASCII characters from 33 to 126 Write View Name The name of the MIB view defines the MIB objects so this request may potentially set new values The allowed string length is 1 to 32 an...

Страница 37: ...hosts information table 3 Choose an entry to display and modify the detail parameters or click the delete button to delete the trap hosts entry Figure 2 6 7 The SNMP Trap Host Configuration Delete Che...

Страница 38: ...thentication and no privacy Auth NoPriv Authentication and no privacy Auth Priv Authentication and privacy Authentication Protocol You can choose MD5 or SHA for authentication Authentication Password...

Страница 39: ...This chapter describes how to view the current port configuration and how to configure ports to non default settings including Linkup Linkdown Speed Current and Configured Flow Control Current Rx Cur...

Страница 40: ...re obeyed and the Current Tx column indicates whether pause frames on the port are transmitted The Rx and Tx settings are determined by the result of the last Auto Negotiation Check the configured col...

Страница 41: ...pplication Web Interface To configure a port description in the web interface 1 Click Configuration Port and then Port Description 2 Specify the detailed port alias or description an alphanumeric stri...

Страница 42: ...o auto refresh then you need to evoke the Auto Refresh 3 Click Refresh to refresh the port statistics or clear all information by pressing Clear Figure 3 1 3 The Port Statistics Overview Port The logi...

Страница 43: ...led port statistic overview 3 If you want to auto refresh the information then you need to evoke the Auto Refresh 4 Click Refresh to refresh the port detailed statistics or clear all information by pr...

Страница 44: ...s congestion Rx CRC Alignment The number of frames received with CRC or alignment errors Rx Undersize The number of short 1 frames received with valid CRC Rx Oversize The number of long 2 frames recei...

Страница 45: ...refresh the information then you need to evoke the Auto Refresh 3 Click Refresh to refresh the queuing counters or clear all information by pressing Clear Figure 3 1 5 The Queuing Counters Overview P...

Страница 46: ...SC ST LC and so on Fiber Type Displays the fiber mode e g Multi Mode or Single Mode Tx Central Wavelength Displays the fiber optical transmitting central wavelength e g 850nm 1310nm 1550nm and so on B...

Страница 47: ...Bias mA Shows the Bias current of SFP module Mon2 TX PWR Shows the transmit power of SFP module Mon3 RX PWR Shows the receiver power of SFP module NOTE Only SFP modules that are UL and CDRH Certified...

Страница 48: ...it s queued until 3000 bytes of data are ready to be transmitted To avoid a large delay in case there is data less than 3000 bytes waiting to be transmitted data are always transmitted after 48 us giv...

Страница 49: ...page header Port The switch port number of the logical EEE port EEE Enabled Controls whether EEE is enabled for this switch port EEE Urgent Queues Queues set will activate transmission of frames as s...

Страница 50: ...to determine what type of ACL policy you will be working with The section describes how to configure the ACL parameters ACE of the each switch port These parameters will affect frames received on a po...

Страница 51: ...eration of this port The allowed values are Enabled Frames received on the port are stored in the system log Disabled Frames received on the port are not logged The default value is Disabled Please no...

Страница 52: ...700 3 Scroll the Unit to pps or kbps 4 Click Save to save the setting 5 If you want to cancel the setting click the reset button to revert back to previously saved values Figure 3 2 2 The ACL Rate Lim...

Страница 53: ...h Click on the lowest plus sign to add a new ACE to the list The reserved ACEs used for internal protocol cannot be edited or deleted The order sequence cannot be changed and the priority is highest W...

Страница 54: ...that hits this ACE is granted permission for the ACE operation Deny The frame that hits this ACE is dropped Rate Limiter Indicates the rate limiter number of the ACE The allowed range is 1 to 16 When...

Страница 55: ...ecifies the tag priority for this ACE A frame that hits this ACE matches this tag priority The allowed number range is 0 to 7 The value Any means that no tag priority is specified tag priority is don...

Страница 56: ...e EType The ACE will match Ethernet Type frames Note that an Ethernet Type based ACE will not get matched by IP and ARP frames ARP The ACE will match ARP RARP frames IPv4 The ACE will match all IPv4 f...

Страница 57: ...first packet that matched the specific ACE to CPU Counter The counter indicates the number of times the ACE was hit by a frame Conflict Indicates the hardware status of the specific ACE The specific A...

Страница 58: ...d the bandwidth aggregation Ports using static trunk as their trunk method can choose their unique static Group ID to form a logic trunked port The benefit of using Static Trunk method is that a port...

Страница 59: ...the IP address or uncheck to disable By default the IP Address is enabled TCP UDP Port Number The TCP UDP port number can be used to calculate the destination port for the frame Check to enable the us...

Страница 60: ...rations A LACP trunk group with more than one ready member ports is a Real Trunked group A LACP trunk group with only one or less than one ready member ports is not a Real Trunked group Web Interface...

Страница 61: ...rred by the port ranging from 1 to 65535 The auto setting will set the key as appropriate by the physical link speed 10Mb 1 100Mb 2 1 GB 3 By using the Specific setting a user defined value can be ent...

Страница 62: ...to evoke the Auto Refresh 3 Click Refresh to refresh the LACP System Status Figure 3 3 2 2 The LACP System Status Aggr ID The aggregation ID associated with this aggregation instance For LLAG the id i...

Страница 63: ...Figure 3 3 2 3 The LACP Status Port The switch port number LACP Yes means that LACP is enabled and the port link is up No means that LACP is not enabled or that the port link is down Backup means that...

Страница 64: ...ation LACP Port Statistics 2 If you want to auto refresh the information then you need to evoke the Auto refresh 3 Click Refresh to refresh the LACP Statistics Figure 3 3 2 4 The LACP Statistics Port...

Страница 65: ...oot ports and designated ports and disables all other ports Therefore the network packets are only forwarded between root ports and designated ports to eliminate any possible network loops Once a stab...

Страница 66: ...tted by the Bridge when it is the Root Bridge Valid values are in the range 6 to 40 seconds and MaxAge must be FwdDelay 1 2 Maximum Hop Count This defines the initial value of remaining Hops for MSTI...

Страница 67: ...certain time If recovery is not enabled ports have to be disabled and re enabled for normal STP operation The condition is also cleared by a system reboot Port Error Recovery Timeout The time to pass...

Страница 68: ...STI should be left empty e g not having any VLANs mapped to it This section allows the user to inspect and change the current STP MSTI bridge instance priority configuration Web Interface To configure...

Страница 69: ...he name is at most 32 characters Configuration Revision The revision of the MSTI configuration named above This must be an integer between 0 and 65535 MSTI Mapping MSTI The bridge instance The CIST is...

Страница 70: ...riority configurations Web Interface To configure the Spanning Tree MSTI Priorities parameters in the web interface 1 Click Configuration Spanning Tree MSTI Priorities 2 Scroll the Priority maximum is...

Страница 71: ...t back to previously saved values Figure 3 4 4 The STP CIST Port Configuration Port The switch port number of the logical STP port STP Enabled Controls whether STP is enabled on this switch port Path...

Страница 72: ...nd topology changes to other ports If set it can cause temporary loss of connectivity after changes in a spanning tree s active topology as a result of persistently incorrect learned station location...

Страница 73: ...port settings for physical and aggregated ports The aggregation settings are stack global Web Interface To configure the Spanning Tree MSTI Port Configuration parameters in the web interface 1 Click...

Страница 74: ...a user defined value can be entered The path cost is used when establishing the active topology of the network Lower path cost ports are chosen as forwarding ports in favor of higher path cost ports...

Страница 75: ...mation then you need to evoke the Auto Refresh 3 Click Refresh to refresh the STP Bridges Figure 3 4 6 The STP Bridges status MSTI The Bridge Instance This is also a link to the STP Detailed Bridge St...

Страница 76: ...o auto refresh the information then you need to evoke the Auto Refresh 3 Click Refresh to refresh the STP Bridges Figure 3 4 7 The STP Port status Port The switch port number of the logical STP port C...

Страница 77: ...ick Refresh to refresh the STP Bridges Figure 3 4 8 The STP Statistics Port The switch port number of the logical STP port MSTP The number of MSTP Configuration BPDU s received transmitted on the port...

Страница 78: ...specified IP multicast group before The packets will be discarded by the IGMP Snooping if the user transmits multicast packets to the multicast group that had not been built up in advance IGMP mode en...

Страница 79: ...an be used to avoid forwarding unnecessary join and leave messages to the router side Router Port Specifies which ports act as router ports A router port is a port on the Ethernet switch that leads to...

Страница 80: ...set button to revert back to previously saved values Figure 3 5 2 The IGMP Snooping VLAN Configuration VLAN ID This displays the VLAN ID of the entry Snooping Enabled Enables the per VLAN IGMP Snoopin...

Страница 81: ...itions of a host s initial report of membership in a group The allowed range is 0 to 31744 seconds The default unsolicited report interval is 1 second Buttons Apply Click to apply changes Reset Click...

Страница 82: ...If an IGMP profile denies access to a multicast group on a switch port the IGMP join report requesting the stream of IP multicast traffic is dropped and the port is not allowed to receive IP multicast...

Страница 83: ...the next save Port To evoke the port enable the IGMP Snooping Port Group Filtering function Filtering Groups The IP Multicast Group that will be filtered Buttons Apply Click Apply to save changes Rese...

Страница 84: ...f the entry Querier Version Working Querier Version currently Host Version Current Working Host Version Querier Status Shows the Querier status is ACTIVE or IDLE Queries Transmitted The number of Tran...

Страница 85: ...u need to evoke the Auto Refresh 3 Click Refresh to refresh a entry of the IGMP Snooping Groups Information 4 Click or to move to previous or next entry Figure 3 5 5 The IGMP Snooping Groups Informati...

Страница 86: ...SSM does not require group address allocation within the network only within each source host Different applications running on the same source host must use different SSM groups Different applicatio...

Страница 87: ...y to allow continuous refresh with the same start address The switch will use the last entry of the currently displayed table as a basis for the next lookup When the end is reached the text No More En...

Страница 88: ...ooperates to determine what multicast address to use This is a function of the application software not of MLD When MLD snooping is enabled on a VLAN the switch acts to minimize unnecessary multicast...

Страница 89: ...e groups in the address using IPv6 Address range Proxy Enabled Enables MLD Proxy This feature can be used to avoid forwarding unnecessary join and leave messages to the router side Port The Port index...

Страница 90: ...Enables to limit the number of multicast groups to which a switch port can belong Buttons Apply Click Apply to save changes Reset Click Reset to undo any changes made locally and revert to previously...

Страница 91: ...entry Snooping Enabled Enables the per VLAN MLD Snooping Only up to 32 VLANs can be selected MLD Querier A router sends MLD Query messages onto a particular link This Router is called the Querier It e...

Страница 92: ...allowed range is 0 to 31744 in tenths of seconds The default last listener query interval is 10 in tenths of seconds 1 second URI Unsolicited Report Interval The Unsolicited Report Interval is the tim...

Страница 93: ...fy the Filtering Groups with entries per page 4 Click Save to save the setting 5 If you want to cancel the setting click the reset button to revert back to previously saved values Figure 3 6 3 The MLD...

Страница 94: ...oping Status VLAN ID The VLAN ID of the entry Querier Version Working Querier Version currently Host Version Current working Host Version Querier Status Shows the Querier status is ACTIVE or IDLE Quer...

Страница 95: ...rom the MLD Group table The default is 20 and can be selected through the Entries Per Page input field During the initial visit the web page will show the first 20 entries from the beginning of the ML...

Страница 96: ...ting point in the MLDv2 Information Table Web Interface To display the MLDv2 IPv6 SSM Information in the web interface 1 Click Configuration MLD Snooping IPv6 SSM Information 2 If you want to auto ref...

Страница 97: ...Switch A to join the appropriate multicast Uplink ports that send and receive multicast data to and from the multicast VLAN are called MVR source ports The section describes how the user could set the...

Страница 98: ...es the Multicast VLAN ID Mode Enables MVR on the port Type Specifies the MVR port type on the port Immediate Leave Enables the fast leave on the port Buttons Apply Click Apply to save changes Reset Cl...

Страница 99: ...e Add New Allow Group button 3 Evoke the Port No Start Address and End Address 4 To click the Apply to apply the configuration of MVR Port Group Allow Table Figure 3 7 2 The MVR Groups Information Del...

Страница 100: ...auto refresh the information then you need to evoke the Auto Refresh 3 To Click the Refresh to refresh a entry of the MVR Groups Information 4 Click or to move to previous or next entry Figure 3 7 2...

Страница 101: ...Refresh to refresh a entry of the MVR Statistics Information 4 Click or to move to previous or next entry Figure 3 7 4 The MVR Statistics Information VLAN ID The Multicast VLAN ID V1 Reports Received...

Страница 102: ...a IEEE 802 local area network principally wired Ethernet The protocol is formally referred to by the IEEE as Station and Media Access Control Connectivity Discovery specified in standards document IE...

Страница 103: ...P Port Configuration The LLDP port settings relate to the currently selected stack unit as reflected by the page header Port The switch port number of the logical LLDP port Mode Select LLDP mode Rx on...

Страница 104: ...information isn t removed immediately It gets removed when the hold time is exceeded Port Descr Optional TLV When checked the port description is included in LLDP information transmitted Sys Name Opti...

Страница 105: ...s LLDP frames Remote Port ID The remote port ID is the identification of the neighbor port System Name System mame is the name advertised by the neighbor unit Port Description Port description is the...

Страница 106: ...105 Auto refresh Check Auto Refresh so the device can refresh the information automatically Upper right icon Refresh Click Refresh to refresh the LLDP neighbors information manually...

Страница 107: ...rnet PoE end points Inventory management allows network administrators to track their network devices and determine their characteristics manufacturer software and hardware versions serial or asset nu...

Страница 108: ...the neighbors receiving the LLDP frame With fast start repeat count it is possible to specify the number of times the fast start transmission would be repeated The recommended value is 4 times when an...

Страница 109: ...I letters Example DK DE or US State National subdivisions state canton region province prefecture County County parish gun Japan district City City township shi Japan Example Copenhagen City district...

Страница 110: ...video services The network policy attributes advertised are Layer 2 VLAN ID IEEE 802 1Q 2003 Layer 2 priority value IEEE 802 1D 2004 Layer 3 Diffserv code point DSCP value IETF RFC 2474 This network p...

Страница 111: ...gged data specific VLAN When a network policy is defined for use with an untagged VLAN see tagged flag below then the L2 priority field is ignored and only the DSCP value has relevance Video Conferenc...

Страница 112: ...as defined in RFC 2475 Adding a new policy Click to add a new policy Specify the application type Tag VLAN ID L2 Priority and DSCP for the new policy Click Save Port Policies Configuration Every port...

Страница 113: ...ces A LLDP MED network connectivity device is a LAN access device based on any of the following technologies 1 LAN Switch Router 2 IEEE 802 1 Bridge 3 IEEE 802 3 Repeater included for historical reaso...

Страница 114: ...imited to Voice Media Gateways Conference Bridges Media Servers and similar products Discovery services defined in this class include media type specific network layer policy discovery LLDP MED Commun...

Страница 115: ...deo services that require specific network policy treatment Video applications relying on TCP with buffering would not be an intended use of this application type 9 Video Signaling For use in network...

Страница 116: ...an hold off sending data after deassertion of LPI Rx Tw The link partner s time that receiver would like the transmitter to hold off allowing time for the receiver to wake from sleep Fallback Receive...

Страница 117: ...partner The resolved value that is the actual Tx wakeup time used for this link based on EEE information exchanged via LLDP EEE activated Shows if the switch and the link partner have agreed upon whic...

Страница 118: ...ed It shows the time when the last entry was last deleted or added It also shows the time elapsed since the last change was detected Total Neighbors Entries Added Shows the number of new entries added...

Страница 119: ...ages out TLVs Discarded Each LLDP frame can contain multiple pieces of information known as TLVs TLV is short for Type Length Value If a TLV is malformed it is counted and discarded TLVs Unrecognized...

Страница 120: ...how all PoE Supply Watts Web Interface To configure Power over Ethernet in the web interface 1 Click configuration 2 Specify the Reserved Power determined and Power Management Mode Specify the PoE or...

Страница 121: ...ty represents the ports priority There are three levels of power priority named Low High and Critical The priority is used in the case where the remote devices require more power than the power supply...

Страница 122: ...fied by 802 3 at af protocol The PD class shown is a reference It is not related to the actual PD power requested The PD class that the switch read from PD might be inconsistent with the PD specificat...

Страница 123: ...Power Allocated The Power Allocated shows the amount of power the switch has allocated for the PD Power Used The Power Used shows how much power the PD currently is using Current Used The Power Used...

Страница 124: ...change NOTE There might be a 15 seconds gap between the delay time and actual time During this gap the switch implements the action of PD detection by PoE and configuration loading Meanwhile the PD p...

Страница 125: ...nable the Ping Check function 3 Specify the PD s IP address checking interval retry time failure action and reboot time 4 Click Apply to apply the change Figure 3 9 4 The POE Auto Checking CAUTION Whe...

Страница 126: ...E port is unable to ping the PD it will retry to send detection again After the third try it will trigger failure action Failure Log Failure loggings counter Failure Action The action when the third f...

Страница 127: ...in the web interface 1 Click Configuration PoE and Scheduling 2 Select the local port and enable 3 Select time and day for the supply power 4 Click Apply to apply the change Figure 3 9 5 The POE Sched...

Страница 128: ...MAC address SMAC address It shows the MAC address of the equipment sending the frame The SMAC address is used by the switch to automatically update the MAC table with these dynamic MAC addresses Dynam...

Страница 129: ...out another module is in control of the mode and cannot be changed by the user An example of such module is the MAC Based Authentication under 802 1X Each port can do learning based upon the followin...

Страница 130: ...l be deleted during the next save VLAN ID The VLAN ID of the entry MAC Address The MAC address of the entry Port Members Checkmarks indicate which ports are members of the entry Check or uncheck as ne...

Страница 131: ...MAC Address Table information MAC Table Columns Switch stack only The stack unit where the entry is learned Type Indicates whether the entry is a static or a dynamic entry VLAN The VLAN ID of the ent...

Страница 132: ...Ns are supported The user is allowed to add and delete VLANs and port members of each VLAN Web Interface To configure VLAN membership configuration in the web interface 1 Click VLAN membership Configu...

Страница 133: ...ereafter presented on the other stack switch units but with no port members The check box is greyed out when VLAN is displayed on other stacked switches but user can add member ports to it A VLAN with...

Страница 134: ...the web interface 1 Click VLAN Ports 2 Specify the VLAN Port Configuration parameters 3 Click Apply Figure 3 11 2 The VLAN Port Configuration Ethertype for Custom S ports This field specifies the Eth...

Страница 135: ...g terminal work station If the port connect to VLAN aware devices the trunk link should be used e g switch connect to switch Hybrid link is used for more flexible application Hybrid If the tag of tagg...

Страница 136: ...VLAN bridged network GVRP GARP VLAN Registration Protocol GVRP allows dynamic registration and deregistration of VLANs on ports on a VLAN bridged network Voice VLAN Voice VLAN is a VLAN configured spe...

Страница 137: ...ership allows the frames classified to the VLAN ID to be forwarded on the respective VLAN member ports Auto refresh Check Auto Refresh so the device can refresh the information automatically Upper rig...

Страница 138: ...e Port VLAN ID and tags are not removed C port is Customer Port S port is Service port Custom S port is S port with Custom TPID Ingress Filtering Shows the ingress filtering on a port This parameter a...

Страница 139: ...conflict between user modules Auto refresh Check Auto Refresh so the device can refresh the information automatically Upper right icon Refresh Click Refresh to refresh the VLAN Port Status informatio...

Страница 140: ...r of multiple Private VLANs Web Interface To configure Private VLAN configuration in the web interface 1 Click add new Private VLAN Membership 2 Specify the Private VLAN ID and Port Members 3 Click Ap...

Страница 141: ...data packet based upon the destination address on the data packet Then the data packet is sent to the plurality of ports pursuant to the forwarding map generated based upon whether the ingress port w...

Страница 142: ...to use the resources in the old VLAN On the other hand if Port A and Port B belong to the same VLAN after terminal devices access the network through Port B they will have access to the same resource...

Страница 143: ...d Adding a New MAC based VLAN Click to add a new MAC based VLAN entry An empty row is added to the table and the MAC based VLAN entry can be configured as needed Any unicast MAC address can be configu...

Страница 144: ...o display MAC based VLAN configured in the web interface 1 Click MAC based VLAN Status 2 Specify the Static NAS Combined 3 Display MAC based information Figure 3 11 6 2 The MAC based VLAN Membership S...

Страница 145: ...P is a mechanism for multiplexing on networks using IEEE 802 2 LLC More protocols can be distinguished by the 8 bit 802 2 Service Access Point SAP fields SNAP supports identifying protocols by Etherne...

Страница 146: ...ifferent sub values a OUI OUI Organizationally Unique Identifier is value in format of xx xx xx where each pair xx in string is a hexadecimal value ranges from 0x00 0xff b PID If the OUI is hexadecima...

Страница 147: ...y Click Apply to save changes Reset Click Reset to undo any changes made locally and revert to previously saved values Upper right icon Refresh Click Refresh to refresh the Protocol Group Mapping info...

Страница 148: ...ial character is allowed The group name you re trying to map to a VLAN must be present in Protocol to Group mapping table and must not be previously used by any other existing mapping entry on this pa...

Страница 149: ...set to undo any changes made locally and revert to previously saved values Auto refresh Check Auto Refresh so the device can refresh the information automatically Upper right icon Refresh Click Refres...

Страница 150: ...the switch can classify and schedule network traffic It is recommended that there are two VLANs on a port one for voice and one for data Before connecting the IP device to the switch the IP phone shou...

Страница 151: ...must disable MSTP feature before we enable Voice VLAN It can avoid the conflict of ingress filtering Possible port modes are Disabled Disjoins from Voice VLAN Auto Enables auto detect mode It detects...

Страница 152: ...the entry It will be deleted during the next save Telephony OUI A telephony OUI address is a globally unique identifier assigned to a vendor by IEEE It must be 6 characters long and the input format...

Страница 153: ...RP application component and a GARP Information Declaration GID component associated with each port or the switch The propagation of information between GARP participants for the same application in a...

Страница 154: ...or Leave Timer is 600ms Leave All Timer The default value for Leave All Timer is 10000ms Application Currently the only supported application is GVRP Attribute Type Currently the only supported Attrib...

Страница 155: ...ant to display the GARP counter information 3 Click Refresh to modify the GARP statistics information Figure 3 13 2 The GARP Port Statistics Port The port column shows the list of all ports for which...

Страница 156: ...ons With GID information and GIP GVRP state machine maintains the contents of Dynamic VLAN Registration Entries for each VLAN and propagate these information to other GVRP aware devices to setup and u...

Страница 157: ...GVRP Mode on a particular port locally Disable Select to disable GVRP mode on this port Enable Select to enable GVRP mode on this port The default value of configuration is disable 2 GVRP rrole This...

Страница 158: ...t you want to display the GVRP Counter information 3 Click Refresh to modify the GVRP statistics information Figure 3 14 2 The GVRP Port Statistics Port The port column shows the list of ports for whi...

Страница 159: ...s The switch supports advanced memory control mechanisms to provide excellent performance of all QoS classes under any traffic scenario including jumbo frame A super priority queue with dedicated memo...

Страница 160: ...in any other way PCP Controls the default PCP for untagged frames DEI Controls the default DEI for untagged frames Tag Class Shows the classification mode for tagged frames on this port Disabled Uses...

Страница 161: ...ll to select the Rate limit Unit with Kbps Mbps Fps and Kfps 4 Click Apply to save the configuration Figure 3 15 2 The QoS Ingress Port Policers Configuration Port The logical port for the settings co...

Страница 162: ...ong to the currently selected stack unit as reflected by the page header Web Interface To display the QoS Port Schedulers in the web interface 1 Click Configuration QoS Port Schedulers 2 Display the Q...

Страница 163: ...default value is Kbps Queue Shaper Excess Controls whether the queue is allowed to use excess bandwidth Queue Scheduler Weight Controls the weight for this queue The default value is 17 This value is...

Страница 164: ...ormation to the ports that belong to the currently selected stack unit as reflected by the page header Web Interface To display the QoS Port Shapers in the web interface 1 Click Configuration QoS Port...

Страница 165: ...ode is Strict Priority or Weighted on this switch port Queue Shaper Enable Controls whether the queue shaper is enabled for this queue on this switch port Queue Shaper Rate Controls the rate for the q...

Страница 166: ...ghted Port Shaper Enable Controls whether the port shaper is enabled for this switch port Port Shaper Rate Controls the rate for the port shaper The default value is This value is restricted to 100000...

Страница 167: ...port number in order to configure tag remarking Mode Shows the tag remarking mode for this port Classified Use classified PCP DEI values Default Use default PCP DEI values Mapped Use mapped versions...

Страница 168: ...S Port DSCP parameters in the web interface 1 Click Configuration QoS Port DSCP 2 Evoke to enable or disable the Ingress Translate and scroll the classify 3 Parameter configuration 4 Scroll to select...

Страница 169: ...t values Disable No Ingress DSCP Classification DSCP 0 Classify if incoming or translated if enabled DSCP is 0 Selected Classify only selected DSCP for which classification is enabled as specified in...

Страница 170: ...croll to select QoS Class and DPL parameters 4 Click Save to save the setting 5 If you want to cancel the setting click the reset button to revert back to previously saved values Figure 3 15 7 The DSC...

Страница 171: ...he DSCP Translation parameters in the web interface 1 Click Configuration QoS DSCP Translation 2 Scroll to set the Ingress Translate and Egress Remap DP0 and Remap DP1 Parameters 3 Evoke to enable or...

Страница 172: ...e classification at Ingress side Egress There are following configurable parameters for Egress side 1 Remap DP0 Selects the DSCP value from select menu that you want to remap DSCP value ranges from 0...

Страница 173: ...s 3 Click Save to save the setting 4 If you want to cancel the setting click the reset button to revert back to previously saved values Figure 3 15 9 The DSCP Classification Configuration QoS Class Av...

Страница 174: ...a new QCE to the list Web Interface To configure the QoS Control List parameters in the web interface 1 Click Configuration QoS QoS Contol List 2 Click the to add a new QoS Control List 3 Scroll all p...

Страница 175: ...ses are allowed The default value is Any VID Indicates VLAN ID either a specific VID or range of VIDs VID can be in the range 1 4095 or Any PCP Priority Code Point Valid value PCP are specific 0 1 2 3...

Страница 176: ...N ID can be any value in the range 1 4095 or Any user can enter either a specific value or a range of VIDs PCP Priority Code Point Valid value PCP are specific 0 1 2 3 4 5 6 7 or range 0 1 2 3 4 5 6 7...

Страница 177: ...e Point value DSCP It can be specific value range of value or Any DSCP values are in the range 0 63 including BE CS1 CS7 EF or AF11 AF43 IP Fragment IPv4 frame fragmented option yes no any Sport Sourc...

Страница 178: ...cates the index of QCE Frame Type Indicates the type of frame to look for incoming frames Possible frame types are Any The QCE will match all frame type Ethernet Only Ethernet frames with Ether Type 0...

Страница 179: ...ays be No Please note that that conflict can be resolved by releasing the resource required by the QCE and pressing Refresh button Auto refresh Check Auto Refresh so the device can refresh the informa...

Страница 180: ...me type to enable storm control 3 Scroll to set the Rate Parameters 4 Click Save to save the setting 5 If you want to cancel the setting click the reset button to revert back to previously saved value...

Страница 181: ...Current field displays the currently configured sFlow Collector The Configured field displays the new Collector Configuration Web Interface To configure the sFlow Agent in the web interface 1 Click Co...

Страница 182: ...s to be configured for the collector The value of the port number has to be typed into the text box The value accepted is within the range of 1 65535 But an appropriate port number not used by other p...

Страница 183: ...it does provide a result with quantifiable accuracy Web Interface To configure the sFlow Agent in the web interface 1 Click Configuration sFlow Agent Sampler 2 Click the to edit the sFlow sampler par...

Страница 184: ...Rate Configures the sampling rate on the ports Max Hdr Size Configures the size of the header of the sampled frame Polling Interval Configures the polling interval for the counter sampling Buttons Edi...

Страница 185: ...received the looping protection frames The section describes how to set the loop protection Web Interface To configure the Loop Protection parameters in the web interface 1 Click Configuration Loop P...

Страница 186: ...0 seconds 7 days A value of zero will keep a port disabled until next device restart Port Configuration Port The switch port number of the port Enable Controls whether loop protection is enabled on th...

Страница 187: ...tion Status Port The switch port number of the logical port Action The currently configured port action Transmit The currently configured port transmit mode Loops The number of loops detected on this...

Страница 188: ...P group It could be accessed from the master switch Web Interface To configure the single IP parameters in the web interface 1 Click Configuration Single IP Configuration Figure 3 19 1 The Single IP C...

Страница 189: ...k Configuration Single IP Information 2 Evoke the auto refresh or click to refresh the Single IP slave member manually Figure 3 19 2 The Single IP Information Index The ID of the active Slave Switch M...

Страница 190: ...rformance Web Interface To configure the Easy Port in the web interface 1 Click Configuration Easy Port 2 Set the parameters 3 Scroll to select what kind device you want to set on the Easy Port and co...

Страница 191: ...he port security function on the port If you turn on the function then you need to set port security limit to allow how many device can access the port via MAC address Port Security Action Scroll to s...

Страница 192: ...ume that Port A and Port B are Monitoring Port and Monitored Port respectively Thus the traffic received by Port B will be copied to Port A for monitoring Web Interface To configure the Mirror in the...

Страница 193: ...e mirror port Frames transmitted are not mirrored Tx only Frames transmitted on this port are mirrored on the mirror port Frames received are not mirrored Disabled Neither frames transmitted nor frame...

Страница 194: ...le pre defined trap events occurred Web Interface To configure the Trap Event Severity Configuration in the web interface 1 Click Configuration Trap Event Severity Configuration 2 Scroll to select the...

Страница 195: ...System is unusable 1 Alert Action must be taken immediately 2 Critical Critical conditions 3 Error Error conditions 4 Warning Warning conditions 5 Notice Normal but significant conditions 6 Informatio...

Страница 196: ...s UPnP mode operation When the mode is enabled two ACEs are added automatically to trap UPNP related packets to CPU The ACEs are automatically removed when the mode is disabled TTL The TTL value is us...

Страница 197: ...e or disable with the port of the switch This section describes how to configure IP Source Guard setting including Mode Enabled and Disabled Maximum Dynamic Clients 0 1 2 Unlimited Web Interface To co...

Страница 198: ...enabled then the IP Source Guard is enabled on this given port Max Dynamic Clients Specifies the maximum number of dynamic clients that can be learned on given port This value can be 0 1 2 or unlimite...

Страница 199: ...he entry 3 Click Apply Figure 4 1 2 The Static IP Source Guard Table Delete Check to delete the entry It will be deleted during the next save Port The logical port for the settings VLAN ID The VLAN ID...

Страница 200: ...rt from port VLAN ID IP Address and entries per page 2 Checked Auto Refresh Figure 4 1 3 The Dynamic Table Port Switch port number for which the entries are displayed VLAN ID VLAN ID in which the IP t...

Страница 201: ...Select Enabled in the Mode of ARP Inspection Configuration 2 Select Enabled of the specific port in the Mode of Port Mode Configuration 3 Click Apply Figure 4 2 1 The ARP Inspection Configuration Mod...

Страница 202: ...4 2 2 The Static ARP Inspection Table Delete Check to delete the entry The entry will be deleted during the next save Port The logical port for the settings VLAN ID The VLAN ID for the settings MAC Ad...

Страница 203: ...1 Specify the Start from port VLAN ID MAC Address IP Address and entries per page 2 Checked Auto Refresh Figure 4 2 3 The Dynamic ARP Inspection Table Port Switch port number for which the entries are...

Страница 204: ...rt Mode Configuration 3 Click Apply Figure 4 3 1 The DHCP Snooping Configuration Snooping Mode Indicates the DHCP snooping mode operation Possible modes are Enabled Enables the DHCP snooping mode oper...

Страница 205: ...3 with value 2 packets received and transmitted Rx and Tx Request The number of request option 53 with value 3 packets received and transmitted Rx and Tx Decline The number of decline option 53 with v...

Страница 206: ...x Lease Active The number of lease active option 53 with value 13 packets received and transmitted Auto refresh Check Auto Refresh so the device can refresh the information automatically Upper right i...

Страница 207: ...er IP Setting Relay Information Mode Enabled and Disabled Relay Information Mode Policy Replace Keep and Drop Web Interface To configure a DHCP Relay in the web interface 1 Select Enabled in the Relay...

Страница 208: ...agent inserts specific information option 82 into a DHCP message when forwarding to the DHCP server The agent removes it from a DHCP message when transferring to DHCP client It only works when DHCP r...

Страница 209: ...Receive Missing Agent Option The number of packets received without agent information options Receive Missing Circuit ID The number of packets received with the Circuit ID option missing Receive Missi...

Страница 210: ...ay agent information was retained Drop Agent Option The number of packets that were dropped which were received with relay agent information Auto refresh Check Auto Refresh so the device can refresh t...

Страница 211: ...eb Interface To configure a System Configuration of Network Access Server in the web interface 1 Select Enabled in the Mode of Network Access Server Configuration 2 Checked Reauthentication Enabled 3...

Страница 212: ...y to secure MAC addresses Single 802 1X Multi 802 1X MAC Based Auth When the NAS module uses the port security module to secure MAC addresses the port security module needs to check for activity on th...

Страница 213: ...etting determines whether RADIUS assigned VLAN is enabled on that port When unchecked RADIUS server assigned VLAN is disabled on all ports Guest VLAN Enabled A Guest VLAN is a special VLAN typically w...

Страница 214: ...as the middle man forwarding requests and responses between the supplicant and the authentication server Frames sent between the supplicant and the switch are special 802 1X frames known as EAPOL EAP...

Страница 215: ...but features many of the same characteristics as does port based 802 1X In Single 802 1X only one supplicant can get authenticated on the port at a time Normal EAPOL frames are used in the communicati...

Страница 216: ...thentication is complete the RADIUS server sends a success or failure indication which causes the switch to open or block traffic for that particular client using the port security module Only then wi...

Страница 217: ...Once assigned all traffic arriving on the port will be classified and switched on the RADIUS assigned VLAN ID If re authentication fails or the RADIUS Access Accept packet no longer carries a VLAN ID...

Страница 218: ...APOL frame has previously been received on the port this history is cleared if the port link goes down or the port s Admin State is changed and if not the port will be placed in the Guest VLAN Otherwi...

Страница 219: ...cation reauthentication will be attempted immediately The button only has effect for successfully authenticated clients on the port and will not cause the clients to get temporarily unauthorized o Rei...

Страница 220: ...ate for a description of the individual states Last Source The source MAC address carried in the most recently received EAPOL frame for EAPOL based authentication and the most recently received frame...

Страница 221: ...LAN Guest is appended to the VLAN ID Read more about Guest VLANs here Auto refresh Check Auto Refresh so the device can refresh the information automatically Upper right icon Refresh Click Refresh to...

Страница 222: ...Refresh Figure 4 5 3 The NAS Statistics Port State Admin State The port s current administrative state Refer to NAS Admin State for a description of possible values Port State The current state of th...

Страница 223: ...bled in the Failback to Local Authorization 3 Selects Enabled in the Account To configure a RADIUS Authentication Server Configuration of AAA in the web interface 1 Checks Enabled 2 Specifies IP addre...

Страница 224: ...ommon Server Configuration Figure 4 5 3 2 The TACACS Accounting Configuration Figure 4 5 3 3 The RADIUS Configuration Figure 4 5 3 4 The RADIUS Accounting Configuration Figure 4 5 3 5 The TACACS Authe...

Страница 225: ...accept STP command but deny VLAN command The server will block the command related to STP which is entered by user but it will allow the VLAN command to configure successfully when the user enters a V...

Страница 226: ...and the switch stack TACACS Authentication Server Configuration The table has one row for each TACACS authentication server and a number of columns which are The TACACS authentication server number f...

Страница 227: ...e server is enabled but the IP communication is not yet up and running Ready The server is enabled the IP communication is up and running and the RADIUS module is ready to accept access attempts Dead...

Страница 228: ...tempts were made to this server but it did not reply within the configured timeout The server has temporarily been disabled but will get re enabled when the dead time expires The number of seconds lef...

Страница 229: ...ounting servers The statistics map closely to those specified in RFC4668 RADIUS Authentication Client MIB Web Interface To configure a RADIUS Details Configuration in the web interface 1 Specify the p...

Страница 230: ...ntaining invalid authenticators or Message Authenticator attributes received from the server Rx Unknown Types radiusAuthClientExtUnk nownTypes The number of RADIUS packets that were received with unkn...

Страница 231: ...s attempts Dead X seconds left Access attempts were made to this server but it did not reply within the configured timeout The server has temporarily been disabled but will get re enabled when the dea...

Страница 232: ...of RADIUS packets of unknown types that were received from the server on the accounting port Rx Packets Dropped radiusAccClientExtPacketsDropp ed The number of RADIUS packets that were received from...

Страница 233: ...igured timeout The server has temporarily been disabled but will get re enabled when the dead time expires The number of seconds left before this occurs is displayed in parentheses This state is only...

Страница 234: ...e by limiting and identifying MAC addresses Web Interface To configure a System Configuration of Limit Control in the web interface 1 Select Enabled in the Mode of System Configuration 2 Checked Aging...

Страница 235: ...he timer expires the switch starts looking for frames from the end host If such frames are not seen within the next Aging Period the end host is assumed to be disconnected and the corresponding resour...

Страница 236: ...e of four values Disabled Limit control is either globally disabled or disabled on the port Ready The limit is not yet reached This can be shown for all actions Limit Reached Indicates that the limit...

Страница 237: ...asks all user modules whether to allow this new MAC address or to block it In order for a MAC address to be set in the forwarding state all enabled user modules must unanimously agree on allowing the...

Страница 238: ...awaiting frames from unknown MAC addresses to arrive Limit Reached The port security service is enabled by at least the Limit Control user module and that module has indicated that the limit is reache...

Страница 239: ...ID The MAC address and VLAN ID that is seen on this port If no MAC addresses are learned a single row stating No MAC addresses attached is displayed State Indicates whether the corresponding MAC addr...

Страница 240: ...ch The maximum entry number is 16 If the application s type match any one of the access management entries it will allow access to the switch Web Interface To configure a Access Management Configurati...

Страница 241: ...management entry HTTP HTTPS Indicates that the host can access the switch from HTTP HTTPS interface if the host IP address matches the IP address range provided in the entry SNMP Indicates that the h...

Страница 242: ...h Received Packets Number of received packets from the interface when access management mode is enabled Allowed Packets Number of allowed packets from the interface when access management mode is enab...

Страница 243: ...nication Web Interface To configure a SSH Configuration in the web interface 1 Select Enabled in the Mode of SSH Configuration 2 Click Apply Figure 4 9 1 The SSH Configuration Mode Indicates the SSH m...

Страница 244: ...omatic Redirect of HTTPS Configuration 3 Click Apply Figure 4 10 1 The HTTPS Configuration Mode Indicates the HTTPS mode operation Possible modes are Enabled Enables HTTPS mode operation Disabled Disa...

Страница 245: ...tication Method Authentication method can be set to one of the following values None Authentication is disabled and login is not possible Local Uses the local user database on the switch stack for aut...

Страница 246: ...e switch for any maintenance needs Any configuration files or scripts that you saved in the switch should still be available afterwards Web Interface To configure a Restart Device Configuration in the...

Страница 247: ...e firmware URL and filename Upload Click the Upload button then the switch will start to upload the firmware from firmware stored location PC or Server NOTE This page facilitates an update of the firm...

Страница 248: ...are or operating firmware This page provides information about the active and alternate backup firmware images in the device and allows you to revert to the alternate image Web Interface To configure...

Страница 249: ...n of the firmware image Date The date when the firmware was produced NOTE 1 In case the active firmware image is the alternate image only the Active Image table is shown In this case the Activate Alte...

Страница 250: ...describes how to reset the switch configuration to factory defaults Any configuration files or scripts will recover to factory default values Web Interface To configure a Factory Defaults Configuratio...

Страница 251: ...nfiguration Any current configuration files will be saved as XML format Web Interface To configure a Save Start Configuration in the web interface 1 Click Save Start 2 Click Yes Figure 5 3 2 Save Star...

Страница 252: ...on Any current configuration files will be saved as XML format Web Interface To configure a Save User Configuration in the web interface 1 Click Save User 2 Click Yes Figure 5 3 3 Save as Backup Confi...

Страница 253: ...switch Any current configuration files will be restored via XML format Web Interface To configure a Restore User Configuration in the web interface 1 Click Restore User 2 Click Yes Figure 5 3 4 The R...

Страница 254: ...is section describes to export the swith configuration for maintenance needs Any current configuration files will be exported as XML format Web Interface To configure the Export Config Configuration i...

Страница 255: ...XML format Web Interface To configure an Import Config Configuration in the web interface 1 Click Browse to select the config file in your device 2 Click Upload Figure 5 4 2 The Import Config Browse C...

Страница 256: ...om 2 bytes to 1452 bytes Ping Count The count of the ICMP packet The values range from 1 time to 60 times Ping Interval The interval of the ICMPv6 packet The values range from 0 second to 30 seconds S...

Страница 257: ...acket The values range from 0 second to 30 seconds Start Click the Start button then the switch will start to ping the device using ICMPv6 packet size what set on the switch After you press start 5 IC...

Страница 258: ...e for cables that are 7 140 meters in length 10 and 100 Mbps ports will be linked down while VeriPHY is running Therefore running VeriPHY on a 10 or 100 Mbps management port will cause the switch to s...

Страница 259: ...lacement It is recommended that only qualified service personnel replace the internal battery CAUTION Risk of explosion if battery is replaced by an incorrect type Dispose of used batteries according...

Страница 260: ...o firewalls There are 3 webpages associated with the manual ACL configuration ACL Access Control List The web page shows the ACEs from highest top to lowest bottom The default the table is empty An in...

Страница 261: ...sed to convert an IP address into a physical address such as an Ethernet address ARP allows a host to communicate with other hosts when only the internet address of its neighbors is known Before using...

Страница 262: ...manage the task This means that a new computer can be added to a network without the hassle of manually assigning it a unique IP address DHCP Relay DHCP Relay is used to forward and to transfer DHCP...

Страница 263: ...address has the form x y z w The values x y z and w are decimal numbers between 0 and 255 DSCP DSCP is an acronym for Differentiated Services Code Point It is a field in the header of IP packets for...

Страница 264: ...e HTTP connection HTTPS provide authentication and encrypted communication and is widely used on the World Wide Web for security sensitive communication such as payment transactions and corporate logo...

Страница 265: ...dresses This number is reduced drastically by the practice of webmasters taking addresses in large blocks the bulk of which remain unused There is a rather substantial movement to adopt a new version...

Страница 266: ...switch builds a table that maps MAC addresses to switch ports for knowing which ports the frames should go to based upon the DMAC address in the frame This table contains both static and dynamic entri...

Страница 267: ...1X NetBIOS NetBIOS is an acronym for Network Basic Input Output System It is a program that allows applications on separate computers to communicate within a Local Area Network LAN It is not supporte...

Страница 268: ...that sends a series of packets over a network or the Internet to a specific computer in order to generate a response from that computer The other computer responds with an acknowledgment that it rece...

Страница 269: ...ality video and delay sensitive data such as real time voice Networks must provide secure predictable measurable and sometimes guaranteed services Achieving the required QoS becomes the secret to a su...

Страница 270: ...participate in network management architecture It enables network management systems to learn network problems by receiving traps or change notices from network devices implementing SNMP SNTP SNTP is...

Страница 271: ...ervers TACACS provides separate authentication authorization and accounting services Tag Priority Tag Priority is a 3 bit field storing the priority level for the 802 1Q frame TCP TCP is an acronym fo...

Страница 272: ...t provide the service of dividing a message into packet datagrams UDP doesn t provide reassembling and sequencing of the packets This means that the application program that uses UDP must make sure th...

Страница 273: ...s connected to the service provider are VLAN aware members of multiple VLANs and set up to tag all frames Untagged frames received on a subscriber port are forwarded to the provider port with a single...

Страница 274: ...273 Contact Information Vigitron Inc 7810 Trade Street Suite 100 San Diego CA 92121 support vigitron com Tel 858 484 5209 Fax 858 484 1205 www vigitron com...

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