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17. Storm Control

The storm control function can limit the maximum traffic rate for packet storm.
There are two traffic storms could be limited – broadcast storm and flooding

Summary of Contents for KS-2601

Page 1: ...1 Managed Switch User s Manual KS 2601 DOC 061214 ...

Page 2: ...or any particular purpose The information in this document is subject to change without notice We reserve the right to make revisions to this publication without obligation to notify any person or entity of any such changes Trademarks or brand names mentioned herein are trademarks or registered trademarks of their respective companies ...

Page 3: ...dularized model It has three 8 port module slots at front panel These 8 port modules can be 8 10 100M TX ports or 8 100M FX ports It has flexible design for hardware configuration There are two Gigabit module slots at rear panel for gigabit extension Front Side Modules 8 port Rear Side Module Slot ...

Page 4: ...HUB 2 3 3 APPLICATION 3 4 ADD REMOVE MODULE 4 4 1 ADD REMOVE MODULE 4 5 LEDS CONDITIONS DEFINITION 6 5 1 LEDS DEFINED 6 6 MANAGE CONFIGURE THE SWITCH 7 6 1 INTRODUCTION OF THE MANAGEMENT FUNCTIONS 7 6 2 MANAGEMENT WITH CONSOLE CONNECTION 10 6 3 MANAGEMENT WITH HTTP CONNECTION 39 6 4 ABOUT TELNET INTERFACE 70 6 5 ABOUT SNMP INTERFACE 70 7 SOFTWARE UPDATE AND BACKUP 71 A PRODUCT SPECIFICATIONS 72 B ...

Page 5: ... rack mount kits and screws for 24 2G model only This user s manual 2 Where To Place the Managed Switch This switch can be placed on a flat surface your desk shelf or table Place the Intelligent Switch at a location with these connection considerations in mind The switch configuration does not break the rules as specified in Section 3 The switch is accessible and cables can be connected easily to ...

Page 6: ...u can connect long distance fiber optic cable to the switch Because this switch supports Auto MDI MDI X detection on each UTP port you can use normal straight through cable for both workstation connection and hub switch cascading 3 2 Connecting to Another Ethernet Switch Hub This Intelligent Switch can be connected to existing 10Mbps 100Mbps 1000Mbps hubs switches Because all UTP ports on the Inte...

Page 7: ...dress of the packet As a result the switch can significantly reduce unnecessary traffic The example below demonstrates the switch ability to segment the network The number of nodes on each segment is reduced thereby minimizing network contention collisions and boosting the available bandwidth per port With management function of the switch network administrator is easy to monitor network status an...

Page 8: ...move the cover of the module slot 5 Follow the rails on both sides of the module slot to slide in the module slowly 6 Push the module firmly to make the module connecting well with the connector in the switch 7 Drive the screws to fix the module to the switch firmly with screwdriver Two at the front side one at bottom side 8 If the switch is rack mounted you can put the switch back to rack 9 Power...

Page 9: ...he cover of the module slot 4 Follow the rails on both sides of the module slot to slide in the module slowly 5 Push the module firmly to make the module connecting well with the connector in the switch 6 Drive the screws to fix the module to the switch firmly 7 Power ON the switch 8 Connect network cables to the connectors on the module If the connected devices are working the Link Act LED will b...

Page 10: ...individual ports For 24 2G fully modulized model LED STATUS CONDITION Power ON Switch is receiving power ON Port has established a valid link Link Act Flashing Data packets being received or sent ON The connection is Full Duplex OFF The connection is Half Duplex FDX Col Flashing Collisions happen for half duplex connection ...

Page 11: ... switches support trunk function they can treat these cables as one connection between them The traffic looping will not happen between these cables and the switches will work stable with bigger bandwidth between them This switch supports trunk function and users can configure it with the following steps a Enable trunk function b Assign ports to a trunk For example assign Port 1 2 3 for Trunk 1 No...

Page 12: ...dress to ARL table These Mac ID are called Static Mac address This switch supports static Mac address assignment The static Mac address assignment will also limit the Mac address could be used or rejected on the assigned port only with the port security configuration function For example assigning 00 00 01 11 22 33 to Port 5 will always keep this Mac ID alive on Port 5 but also limit this Mac addr...

Page 13: ...e same VLAN This protection is still valid For example Port 1 2 3 4 are marked as protected ports Port 1 2 3 4 cannot communicate with each other but they can communicate with the other ports This is for port isolation application though they are in the same VLAN 11 Software Backup Update This switch supports backup and update functions for its internal software and its network configuration It co...

Page 14: ...e switch is powered on It will stop at the following screen after some initializing messages Booting Program Version 1 05 00 built at 14 44 03 Jul 29 2005 RAM 0x00000000 0x00800000 0x0000cc78 0x007f3000 available FLASH 0x05800000 0x05900000 16 blocks of 0x00010000 bytes each enter C to abort booting within 3 seconds Start to run system initialization task System Configuration Company Name Model Na...

Page 15: ... used to configure most functions of the switch Lots of sub commands are for this command Enter set at the prompt the sub command list will be shown set Command List Help commands help Help commands 1qvlan Set 802 1q VLAN Configuration admin Set administrator name and password age Set aging time of switch arl Add a static MAC address in ARL table automode Set Auto Negotiation or Auto Detect mode o...

Page 16: ...filter sub command is used to enable disable VLAN filtering executed at ingress port Enable the VLAN filtering function will be executed when packet is received at ingress port If the ingress port is in the same VLAN of the received packet this packet will go to forwarding stage Otherwise the packet will be discarded by VLAN filtering at ingress port Disable the VLAN filtering function will be exe...

Page 17: ...al VLAN operation of switch IVL mode the switch will do packet forwarding according to its Mac address and VLAN ID both It is for some special VLAN applications SVL IVL mode its operation is the same as IVL mode but for untagged port is used as the uplink port in MDU MTU application For most VLAN applications SVL mode is suggested 2 3 set admin command This command is used to modify the user name ...

Page 18: ... but just modify its auto negotiation attribute for the speed duplex mode setting And the Auto MDIX function of the port is still enabled Its syntax is set automode Valid mode an Auto Negotiation ad Auto Detect Application If the connected device is auto negotiation enabled and you want to force the speed of the connection for example 10M Half you can select ad mode If the connected device is in f...

Page 19: ...king port number between the switch and RADIUS server It could be different for different RADIUS servers quiettime sub command is used to set the quiet time value between the switch and the user before next authentication process when authentication fail re_au sub command is used to enable the re authentication function of the switch When the re authentication time is up the switch will start the ...

Page 20: ... network devices if it receives their packets The learned remote 802 1Q VLAN will be shown in the dynamic 802 1Q VLAN table Its syntax is set gvrp Syntax set gvrp 1 0 1 enable 0 disable 2 10 set http command This command is used to enable disable the http function of the switch Because hacker or worm virus like ColdRed often attacks http server this command is provided to disable http to prevent i...

Page 21: ...back condition is removed Its syntax is Syntax set loopback enable disable release enable enable loopback detection on port disable disable loopback detection on port release release the ports that loopback are detected 2 14 set mirror command This command is used to configure mirror function of the switch The following is the sub command for it set mirror Command List Help commands help Help comm...

Page 22: ...eeds the maximum bandwidth of capture port flow control function will work on these monitored ports 2 14 5 set mirror egress command This command is used to configure the mirror operation for egress traffic Its syntax is similar to the mirror operation for ingress traffic Please refer to set mirror ingress command section 2 14 6 set mirror port command This command is used to set the capture port ...

Page 23: ...r exampe set port 1 name YYY admin enable speed 10 duplex half command will enable Port 1 and set it to 10Mbps Half Duplex and name it as YYY Note For 100FX port the port setting is allowed for 100 Full 100Mbps Full duplex only 2 17 set protected command This command can set protection enabled disabled for each connection port If a port is set as protected port it cannot communicate with other pro...

Page 24: ...on of the switch Its syntax is set qos Argument List enable Set QoS enabled disable Set QoS disabled priority Set QoS priority of specified port dot1p Set 802 1p enabled of specified port mapping Set 802 1p priority to priority queue mapping This switch supports four priority queues on each port P0 P1 P2 and P3 And both port based priority and 802 1P tag priority are supported This command can be ...

Page 25: ... ratecontrol ingress 1 10 Description Set port 1 ingress rate control with 10 64K 640K No Limit of rate control with N 0 Rate N 64 Kb with N 1 28 Rate N 27 1Mb with N 29 127 Rate N 115 8Mb with N 128 240 only for Gigabit port set ratecontrol drop 0 1 this subcommand is used to enable disable the packet dropping operation when ingress traffic exceeds the maximum ingress rate If it is set to disable...

Page 26: ...ac 1 can access network through Port 1 But there is also a limitation for Mac 1 it can access network through Port 1 only because it is a static fixed address on Port 1 2 22 set rmon command This command is used to configure the RMON function of the switch Its syntax is set rmon Syntax set rmon 1 0 1 enable 0 disable You can enable disable RMON function here 2 23 set snmp command This command is u...

Page 27: ...age Set bridge maximum age delay Set bridge forward delay time priority 0 65535 Bridge priority is for selecting the root device root port and designated port The device with the highest priority lowest value becomes the STA root device If all devices have the same priority the device with the lowest MAC address will then become the root device hello 0 65535 the period to send the spanning tree ma...

Page 28: ...on rate for Storm control bc Set Broadcast Control for each Port fd Set Flooding Control for each Port set stormcontrol rate this subcommand is used to set the maximum storm rate that is allowed for the control Its syntax is set stormcontrol rate Syntax set stormcontrol rate rate value Examples 1 Set stormcontrol rate 10 Description Set suppression rate for Storm Control function as 640Kb Rate No ...

Page 29: ... sub command to add remove ports to from trunk groups Only Port 1 8 is available for trunk operation 3 show command This command is used to show configurations of the switch Here is the sub command for showing different configuration show Command List Help commands help Help commands 1qvlan Show 802 1q VLAN configuration age Show aging tim arl Show ARL table automode Show Auto mode setting cfg Sho...

Page 30: ...tatic show STATIC VLAN table content table show ALL VLAN table content port show the PVID and Priority for tag of ports For example show 1qvlan status 802 1Q VLAN Enable Ingress Filter Enable VLAN Mode SVL show 1qvlan static Static 802 1Q VLAN Table VLAN ID 1 0x001 VLAN Name Default VLAN Tagged Member Port Untagged Member Port 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 Fi...

Page 31: ...set in ARL table and dynamic Mac address learned in ARL table Its syntax is show arl Syntax show arl static dynamic static show static Mac address set in ARL table dynamic show dynamic Mac address learned in ARL table For example show arl dynamic Dynamic Address Learning Table Item Port Mac Address VID 1 CPU 00 00 01 64 64 64 1 0x001 2 8 00 00 e2 82 8c e6 1 0x001 3 4 00 20 14 95 0a 32 1 0x001 3 5 ...

Page 32: ... System Configuration Company Name Model Name Intelligent Switch MAC Address 00 00 01 23 45 67 Firmware Version 3 02 02 Mar 13 2006 15 13 36 3 7 show dot1x command will show current 802 1x status and settings Its syntax is show dot1x Syntax show dot1x config radius port config show 802 1x protocol settings radius show settings for radius server port show ALL ports status For example show dot1x con...

Page 33: ...sername guest Password 3 9 show gvrp command will show current GVRP function status for 802 1Q VLAN operation For example show gvrp GVRP Protocol Disable 3 10 show http command will show http enable disable state If it is disabled the web management interface of the switch will be OFF For example show http HTTP Protocol Setting HTTP Setting Enabled 3 11 show idle command will show the idle time fo...

Page 34: ...show mirror command will show mirror function configuration of the switch For example show mirror Mirror Configuration Mirror Switch Disabled Capture port 1 Ingress DIV 3 Mode SA MAC 00 00 01 11 22 33 Port List 2 Egress DIV 1 Mode ALL MAC 00 00 00 00 00 00 Port List This setting will mirror those packets that with source Mac address 00 00 01 11 22 33 ingress to Port 2 to Port 1 for every three mat...

Page 35: ...N 10 Half OFF 13 10 100M base T DOWN NO ON 10 Half OFF 14 10 100M base T DOWN NO ON 10 Half OFF 15 10 100M base T DOWN NO ON 10 Half OFF Press any key to continue 3 17 show protect command will show current protected port setting Protected ports cannot communicate with each other For example show protect Protected Port Setting Protected Function Disabled Port No Protected 1 Disabled 2 Disabled 3 D...

Page 36: ...riority 4 P2 802 1p Priority 3 P1 802 1p Priority 2 P1 802 1p Priority 1 P0 802 1p Priority 0 P0 Port Priority Port Priority Port Priority Port Priority 1 Low 2 Low 3 Low 4 Low 5 Low 6 Low 7 Low 8 Low 9 Low 10 Low 11 Low 12 Low 13 Low 14 Low 15 Low 16 Low 17 Low 18 Low 19 Low 20 Low 21 Low 22 Low 23 Low 24 Low 25 Low 26 Low Port 802 1p Port 802 1p Port 802 1p Port 802 1p 1 OFF 2 OFF 3 OFF 4 OFF 5 ...

Page 37: ...No Limit 4 No Limit No Limit 5 20Mb No Limit 6 No Limit No Limit 7 No Limit No Limit 8 No Limit No Limit 9 No Limit No Limit 10 No Limit No Limit 11 No Limit No Limit 12 No Limit No Limit 13 No Limit No Limit 14 No Limit 70Mb 15 No Limit No Limit Press any key to continue 3 21 show rmon command will show current RMON setting enable disable of the switch Its syntax is show rmon RMON Funciton Disabl...

Page 38: ...ocation Contact name Get Community public Set Community private Trap IP Address Community 1 0 0 0 0 public 2 0 0 0 0 public 3 0 0 0 0 public 4 0 0 0 0 public 5 0 0 0 0 public 3 24 show sta command will show spanning tree configuration of the switch For example show sta Spanning Tree Configuration Spanning Tree Function Disabled Bridge Priority 32768 Bridge Hello Time 2 Bridge Max Age 20 Bridge For...

Page 39: ...nd you can find the maximum storm rate setting and the port list doing the storm control For example show stormcontrol Storm Control Configuration Suppression Rate No Limit Broadcast Control By Port Flooding Control By Port Port Broadcast Flooding 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Press any key to continue 3 26 show trunk command will show trunk configuration of the switch For example show trunk...

Page 40: ... 1qvlan this sub command can delete an 802 1Q VLAN Its syntax is del 1qvlan Syntax del 1qvlan Vid For example del 1qvlan 5 will delete the 802 1Q VLAN with VLAN ID 5 arl this sub command can delete a static Mac address in ARL table Its syntax is del arl Del ARL xx xx xx xx xx xx port For example del arl 00 11 22 33 44 55 3 will delete the static Mac ID 00 11 22 33 44 55 for Port 3 from ARL table p...

Page 41: ...e It could be username for administrator or guest For example whoami Current USER admin 8 reset command This command can be used to reset switch Enter reset at the prompt you will be asked to confirm the reset operation reset Are you sure to reset switch now Y N 9 ping command User can use this command to ping another network device to verify the network connection and activity Enter ping at the p...

Page 42: ...server 192 168 1 80 and its file name is abcd 11 upgrade command This switch supports firmware or configuration upgrade with TFTP protocol This command is used to upgrade firmware or configuration to the switch Its syntax is upgrade Syntax upgrade firmware config ip filename ip is the IP address of TFTP server filename is the upgrade file name in the TFTP server For example upgrade config 192 168 ...

Page 43: ...guration is 192 168 1 5 and mask 255 255 255 0 After IP address configuration done and the switch is connected to network you can start Http connection by entering IP address of the switch to the web address line in Web Browser A login screen will be prompted for user name and password The default user name and password is admin 123456 Then the management homepage will appear Left part of the home...

Page 44: ...40 1 System Configuration ...

Page 45: ... b DHCP IP Address Network Mask Gateway You can set IP address configuration of the switch here By DHCP or static settings c Administrator Configuration This is for network administrator to change his her username and password Default is admin 123456 d Guest Configuration This is for you to change the username and password for Guest account Default is guest 123456 The Guest account can see the set...

Page 46: ...rt forced setting here Port forced setting means forcing it to some special setting e g 10M Half instead of fully auto negotiation For Auto Negotiation mode the switch will do auto negotiation ON OFF when the auto mode of port is enabled disabled But the Auto MDIX function will also be disabled when the auto negotiation function of port is OFF ...

Page 47: ...s to do it 1 Select the port in Port Number first 2 Modify the settings 3 Click Apply About these items Name It is the name of the port That will help users to identify the connection Admin You can enable disable a port here Auto You can enable disable the auto mode of ports here If auto is disabled the Speed and Duplex setting will become active The auto mode could be auto negotiation or auto det...

Page 48: ...se parameters Press Apply after any modification Configuring port parameters for spanning tree press Configuration STA Port and the configuration page will appear Users can select a port number and check its spanning tree status Users can also modify these parameters Please refer to 2 24 of Section 6 2 for the details of these parameters Press Apply after any modification ...

Page 49: ...left side of the web page to check the static address assignment For the details about Static Address please refer to Section for Static Address Table Note Because of aging time operation of switch wrong Mac addresses could be found in the Mac Address Table sometimes These wrong Mac addresses are the machines that had ever accessed to the port and the switch learns them into the learning table The...

Page 50: ...or these static Mac addresses they are allowed to work on the assigned port only because they are static fixed on the assignment port If you want to delete an entry in the static Mac address table click Delete button of the entry and the static Mac address will be removed from the table About Port Security function You can configure Mac Security Configuration function for port access security with...

Page 51: ...access limitation for the port i e every Mac address could access network through the port 2 Accept function The port can accept the static Mac address only i e only the user with the static Mac address can access network through the port 3 Reject function Only the static address will be rejected by the port i e other Mac address except the static Mac address can access network through the port ...

Page 52: ...ode Selecting With VLAN Function you can change the VLAN mode as 802 1Q VLAN Port based VLAN and Disabled 2 VLAN Creating Modifying You can create modify a Port based VLAN with the following steps a Select the VLAN ID number b Enter the Name for the VLAN c Select the ports for the VLAN You can click Select All to select all ports or click Remove All to remove all ports from the VLAN ...

Page 53: ...49 d Click Apply to activate it 3 Current Port based VLAN Table You can see current Port based VLAN settings in the table ...

Page 54: ...AN function VLAN Function This function is used to select VLAN mode 802 1Q VLAN Port based VLAN and Disabled GVRP Protocol The GVRP protocol can learn remote 802 1Q VLAN on other devices and add to dynamic 802 1Q VLAN table You can enable disable the operation of this protocol ...

Page 55: ... VLAN ID SVL IVL mode its operation is the same as IVL mode but for untagged port is used as the uplink port in MDU MTU application For most VLAN applications SVL mode is OK Management Port VID This is the VLAN ID for the switch management interface Only users in the same VLAN can manage the switch by network That could be applied for security of switch management Port VID This setting is for unta...

Page 56: ...e new setting Delete an 802 1Q VLAN 1 Select the VLAN in Show Static VLAN Table 2 Click Delete to delete the 802 1Q VLAN About Tagged Untagged The tagged port will always send out packets with tag If untagged packet is received tag will be added with the PVID setting of ingress port before forwarded to tagged port The 802 1Q VLAN information will be carried in the tag The untagged port will always...

Page 57: ...anagement from Users Only the users in the same VLAN as Management Port PVID set in 802 1Q VLAN Configuration page can manage the switch via Web Telnet SNMP The users in other VLAN cannot manage the switch from network ...

Page 58: ...ic and dynamic 802 1Q VLAN will be shown in the table Follow the steps to show the 802 1Q VLAN 1 Select a VLAN in Show VLAN Table 2 The 802 1Q VLAN activity status will be shown for the selected VLAN If GVRP protocol is enabled this table will also show the learned remote 802 1Q VLAN ...

Page 59: ...x function Transparent only forwarding 802 1x packets 2 Re authentication enable disable Timeout Period and Max Count The re authentication function will re authenticate users after the timeout period The Max Count is the maximum re try count between the switch and users before authentication fail 3 Max Request Count and Server Timeout Period The Server Timeout Period is the timeout period for the...

Page 60: ... user before next authentication process when authentication fails 6 Tx Timeout Period This is the timeout value for the identification request from the switch to users The request will be re tried until the Re authentication Max Count is met After that authentication fail message will be sent The valid value is 0 65535 7 Radius Server Configuration This function is for configuration between switc...

Page 61: ...ed depends on the authentication result of port 2 Force Authorized This mode will force the port always being authentication successful in 802 1x process and the real authentication result will be ignored 3 Force Unauthorized This mode will force the port always being authentication fail in 802 1x process and the real authentication result will be ignored 4 None This mode will disable 802 1x opera...

Page 62: ... in the same VLAN But they still can communicate with other ports in the same VLAN This function is for security application of switch Follow the steps to enable this function and complete the setting 1 Select Enable and click Apply in Protected Function 2 Select the ports that will be isolated from each other and click Apply You can click Select All to select all ports and click Remove All to rem...

Page 63: ... trunk connection by gigabit ports you can enable Trunk 3 and the gigabit ports will be in a trunk 3 If Trunk 1 or Trunk 2 is selected you can select the ports for them And click Apply to activate it If you want to disable trunk function select Disable and click Apply button The switch will clear the Trunk configuration About redundant application The trunk connection supports redundant function I...

Page 64: ...orwarded to this port 3 Select the monitored port from Ingress or Egress table depending on the traffic direction 4 Select the capture mode All packets or for some special DA SA address If DA SA is selected enter the special Mac address in xx xx xx xx xx xx format 5 Enter the capture frequency 6 Click Apply button If you want to disable Mirror function select Disable and click Apply ...

Page 65: ...d to highest priority queue on egress port And the packets from Low priority port will be forwarded to lowest priority queue on egress port 3 For 802 1P tagged packet its priority value is 0 7 Select the ports that enable the 802 1P priority function i e it will forward packet with the priority information in tag Then you can configure the 802 1P priority mapping to priority queue of port 4 Click ...

Page 66: ...62 16 Rate Control The rate control function can limit the maximum traffic rate for each physical port The traffic could be ingress traffic or egress traffic ...

Page 67: ... you want to limit the download traffic rate of Port 2 to 512Kbps you should set the Egress Rate Control of Port 2 to 8 8 512 64 and egress is for download operation and ingress is for upload operation The Packet Drop for Ingress Limit is for packet dropping operation when ingress traffic rate exceeds the Ingress Rate Control If it is enabled the extra packets will be dropped to limit the ingress ...

Page 68: ...64 17 Storm Control The storm control function can limit the maximum traffic rate for packet storm There are two traffic storms could be limited broadcast storm and flooding ...

Page 69: ...led and which ports will be applied all of the ports none of the ports or selected by port in the table 3 If By Port is selected select the ports that will apply the storm control Note Broadcast it is one to all traffic Every port will receive the packets Flooding it is one to all traffic caused by Mac address not found in the switch Every port will receive the packets ...

Page 70: ...MP In this page you can enable disable RMON function configure GET SET Trap Community Name and the IP address for trap operation Then you can manage this switch with these settings from SNMP management program ...

Page 71: ... to get the IP multicast group information from IGMP active device The learned IP multicast member group will be shown in the IGMP web page This switch will forward IP multicast traffic to these member ports that it learned in the group information The IGMP snooping function can be enabled disabled in this page ...

Page 72: ...e Select port number to get the counters for different port Users can modify the refresh interval to get different counter updating period Click Refresh button can update the counter immediately Users can reset counters to zero with the Reset Statistics button ...

Page 73: ...ill restore the switch configuration to factory default setting c System Backup Restore Backup Setting will backup the configuration of the switch to the web management PC Restore Setting will get the configuration backup file from the web management PC and restore it to the switch d System Upgrade This function will upgrade the system operation software from the web management PC ...

Page 74: ... use NMS to management the switch from remote site you have to set the IP Mask Gateway address to the switch and configure the SNMP setting of the switch from console first Then you can use SNMP management program to manage this switch This switch supports SNMP Version 1 agent function and MIB II Interface Bridge MIB Etherlike MIB and Private MIB The default GET community name is public and SET co...

Page 75: ...run time code main code from terminal program with Xmodem protocol If this option is selected the following message will be shown Waiting to receive file by Xmodem Then you can select Send File function of terminal program and select Xmodem protocol and the update file then start the file upgrade c Upgrade Boot Code This option will try to update boot code from terminal program with Xmodem protoco...

Page 76: ...tering Forwarding Rate Line speed Maximum Packet Size 1536 Bytes tagged packet Flow Control 802 3x for full duplex backpressure for half duplex VLAN 802 1Q VLAN Port based VLAN QoS 4 priority queues per ports for port based 802 1P tagged based priority operation Spanning Tree Support IEEE 802 1D protocol Trunking 3 groups max Mirror Port 1 capture port for Ingress Egress traffic DA SA filtering fu...

Page 77: ...tection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference in which case the user at his own expense will be required to take whatever measures are required to correct the interference CE Mark Declaration of Conformance for EMI and Safety This is to certify that this product complies with ISO IEC Gui...

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