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QSW-2800v2
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Chapter5 QoS Configuration

5-7

Figure Interface SP Algorithm Topology

Configuration Steps

1. Configure Host1.

//Configure fastethernet 1/0/1.

S1#configure

S1(config)#interface fastethernet 1/0/1

S1(config-ge1/0/1)#priority 1

S1(config-ge1/0/1)#quit

//Configure fastethernet 1/0/2.

S1#configure

S1(config)#interface fastethernet 1/0/2

S1(config-ge1/0/2)#priority 2

S1(config-ge1/0/2)#quit

//Configure fastethernet 1/0/3.

S1#configure

S1(config)#interface fastethernet 1/0/3

S1(config-ge1/0/3)#priority 3

S1(config-ge1/0/3#quit

2. Configure Host2.

//Configure ACL rule.

S2#configure

S2(config)#filter-list 1001

Содержание

Layer 2 ethernet switch 1
Qsw 2800 1
Content introduction 2
Customers who are familiar with network fundamentals 2
Ethernet switch telecommunication level hereinafter referred to as the qsw 2800 2
From the simple principle function configuration step and configuration example in 2
Including the basic configuration the two layers configuration operation of the qsw 2
Intended audience 2
Ip service qos configuration multicasting security reliability device 2
Management and network management etc the above operation are introduced 2
Manual instruction 2
Method of qsw 2800 and understand its application scenarios more specialized 2
Network administrators 2
Network engineers 2
Of various functional modules and service operation guidelines based on cli 2
Preface 2
Professional to use maintenance and management of qsw 2800 2
The manual is intended for the following readers 2
This manual introduces the qsw 2800 series carrier class layer 2 full giga 2
Three ways the configuration operation helps user to master the configuration 2
General format 3
Introduce general format symbol convention keyboard mouse operation and safety 3
Keyboard operation convention 3
Manual convention 3
Release update instruction 3
Symbol convention 3
Brackets 4
Caused by possible pretermission inaccuracy or error in this manual 4
Contents however does not take any legal responsibility of any loss or damage 4
During operation installation or maintenance 4
Legal disclaimer 4
Mouse operation convention 4
Qtech co commits itself to ensure accuracy fidelity and reliability to the manual 4
Safety signs 4
This manual utilizes general 3 safety signs to emphasis significances 4
Table of contents 5
Figure 10
Basic configuration 12
Chapter1 12
Interface introduction 12
Management interface 12
Summary 12
Login switch 13
Login through console port 13
Physical interface 13
Parameter description when logging qsw 2800 switch through serial 15
Please set the parameters according to table shown in table 1 1 15
Property setting of qsw 2800 switch 15
Result 15
Serial port setting please perform the settings according to serial port 15
To confirm 15
Admin and password is 12345 16
Login through telnet 16
Login through ssh 17
Generate ssh private public key 2 23
Menu of the dialog and click next for confirmation referring to figure 23
Select generation method by choosing dsa or rsa from the drop down 23
Click next button if the generation is finished referring to figure 25
Generate ssh private public key 5 25
The generation of private public key will be displayed in the pop up dialog 25
Category taking the admin user category as the example 27
Button ok referring to figure ssh login parameters input 2 29
During the creation of public key dialog i e value in step 4 and click 29
From the pop up dialog input the passphrase that has been defined 29
Keygen sshd auth ssh login metho 29
Result 29
Device file upload and download 30
Ftp configuration 30
According to the different purposes execute corresponding step please refer to the 32
Appended list 32
Following table 32
Ftp download file 32
Process 32
Purpose 32
This section introduces how to download file through ftp 32
According to the different purposes execute corresponding step please refer to the 33
Appended list 33
Following table 33
According to the different purposes execute corresponding step please refer to the 34
Appended list 34
Following table 34
Ftp delete file 34
Process 34
Purpose 34
This section introduces how to delete file through ftp 34
Fetch switch config file 36
File config from the switch the ftp client application shall be purchased and 36
Installed by the user 36
Notice 36
Start ftp client program at pc and establish ftp connection with the switch 36
Upgrade operation to the switch after the upload is finished 36
Upload switch application switch z to switch flash root and download configuration 36
Username and password configuration through command adduser 36
Able to log into remote qsw 2800 switch via telnet and download switch application 37
Backup and software upgrade 37
Boot up and reboot the switch that the switch is able to implement auto upgrade to its 37
From the ftp server to switch flash so that to implement remote upgrade to the 37
Ftp client example 37
Ftp with username 123 and password 123 pc ip address is 10 8 the user is 37
Network requirement 37
Purpose 37
Remote pc as ftp server and the switch as ftp client with configuration 37
Switch 37
The user is able to use command upgrade os as auto start application for next switch 37
This section introduces the example of switch as ftp client implementing config file 37
Topology 37
Tftp configuration 38
According to the different purposes execute corresponding step please refer to the 39
Address ipv4 and ipv6 39
Addresses of tftp client side and server side and make sure that the routing 39
Before tftp configuration the network administrator needs to configure ip 39
Between client and server is available 39
Configure tftp server on off 39
Following table 39
Process 39
Purpose 39
The qsw 2800 switch supports tftp functionality under two types of network 39
This section introduces how to open or close tftp server of the switch 39
According to the different purposes execute corresponding step please refer to the 40
Confirmation from it the following commands can be applied for file upload 40
Following table 40
Notice 40
Parameter description 40
Process 40
Purpose 40
Request packet towards tftp server and sends data to the server along with 40
Tftp upload file 40
When the switch needs to upload file to tftp server the switch as client side sends 40
According to the different purposes execute corresponding step please refer to the 41
Following table 41
Notice 41
Os is downloaded from the host to the device for config modification or os upgrade 41
Practical device operation and maintenance it is usually required that the config file or 41
Process 41
Purpose 41
Server and receives data from the server along with configuration towards it in 41
Tftp download file 41
The command is applied for file downloading to the device 41
When file download is required the client side sends request packet to the tftp 41
Application program switch z is saved in the pc the switch downloads 42
Backup and software upgrade 42
Connecting with switch and pc is belonging to particular vlan pc ip address is 42
Network requirement 42
Parameter description 42
Purpose 42
Switch z from tftp server through the tftp and uploads switch config file to 42
Tftp client example 42
The switch as tftp client and pc as tftp server the tftp server has been tftp 42
This section introduces the example of switch as tftp client implementing config file 42
Working category configured inband switch ip address is 1 and the port 42
Zmodem configuration 43
According to the different purposes execute corresponding step please refer to the 45
Appended list 45
Following table 45
Process 45
Section 45
To implement file download through device serial port with operation introduced in this 45
Chapter2 46
Ethernet interface configuration 46
Layer 2 ethernet configuration 46
Summary 46
According to the different purposes execute corresponding step please refer to the 47
Background 47
Enter the ethernet interface view 47
Ethernet interface 47
Ethernet interface basic attribute configuration 47
Following table 47
It needs to enter the ethernet interface configuration view first and then configure the 47
Open shutdown ethernet interface 47
Procedure 47
According to the different purposes execute corresponding step please refer to the 48
Background 48
Before using the command the command negotiation auto must be used to 48
Can be provisioned as full duplex mode if port receiving and sending data packet is 48
Configure ethernet interface duplex state 48
Following table 48
From the device as info please configure negotiation auto disable first 48
If it is required that the port is able to receive data packet while sending then the port 48
Implement that only when the fast ethernet port is working under non auto negotiation 48
Mode that it can be configured as port duplex mode otherwise there will be prompt 48
Negotiated by both the local port and peer port 48
Precondition 48
Procedure 48
Required to be separated then it can be provisioned as half duplex mode similarly if 48
The port is configured as auto negotiation the duplex mode can be automatically 48
According to the different purposes execute corresponding step please refer to the 49
And determined by both the local port and peer port 49
Background 49
Configure ethernet interface flow control 49
Configure ethernet interface rate 49
Congestion happens to local switch on the other side the peer switch will stop 49
Following table 49
Longer send flow control frame to peer 49
Message sending to local switch once it receives the inform message and vice versa 49
Procedure 49
Rate provisioned is working under auto negotiation mode its rate is auto negotiated 49
Sends message to peer switch to inform peer switch to stop sending message if 49
The following command can be used to set the ethernet port rate when the port to be 49
The mechanism is able to avoid message loss the following command can be used 49
To enable or disable local ethernet port flow control once disabled the port will no 49
When local and peer switches both start function of flow control the local switch 49
According to the different purposes execute corresponding step please refer to the 50
Configure ethernet interface broadcast multicast message suppression function 50
Following table 50
In order to prevent port congestion caused by flush of broadcast multicast message 50
Procedure 50
Purpose 50
The command 50
The switch provides storm suppression function to broadcast multicast message the 50
User is allowed to restrain broadcast multicast message by configuring bandwidth via 50
According to the different purposes execute corresponding step please refer to the 51
Background 51
Configure ethernet interface rate suppression function 51
Different due to different interface type 51
Following table 51
Procedure 51
Provide different bandwidth for different users the function of rate suppression 51
Provides such ability the particular input output bandwidth control granularity may be 51
There are particular situations that port rate is required to be controlled so that to 51
According to the different purposes execute corresponding step please refer to the 52
Background 52
By configuring the priority of different interfaces it assures that the most important 52
Command to configure the frame size 52
Configure ethernet interface mtu 52
Configure ethernet interface priority 52
Ethernet _snap form is 1492 52
Following table 52
Or packet disassembly the mtu of using ethernet _ii form is 1500 the mtu of using 52
Procedure 52
Running at the same time 52
Service cannot be influenced by delay or discard and guarantees the network efficient 52
The long frame more than the standard ethernet frame length use the following 52
The mtu of ethernet interface only influences the ip packaging on ethernet interface 52
When exchanging data in high throughput such as file transmission it may encounter 52
According to the different purposes execute corresponding step please refer to the 53
Clear current ethernet interface statistics information 53
Configure cable type adaptation 53
Following table 53
Interface when there is a large amount of information to be cleared 53
Procedure 53
Purpose 53
Support cross cable type default 53
Type it needs to configure the connected cable adaption method interface does not 53
Use this section operation to clear the statistics information of current ethernet 53
When the connection cable type of interface needs to match with the real used cable 53
According to the different purposes execute corresponding step please refer to the 54
Configure interface loopback detection 54
Descript ethernet interface 54
Distinguish each port 54
Ethernet interface senior attribution configuration 54
Following table 54
Procedure 54
Purpose 54
Use the following command to configure interface description character string to 54
According to the different purposes execute corresponding step please refer to the 55
And configure the interval of timing monitoring outside loopback situation so as to 55
Display ethernet interface state 55
Following table 55
Loop switch will make this interface be in controllable working state 55
Procedure 55
Timing monitor each interface whether to be outer loop if finding one interface to be 55
Use the following configuration task to enable interface loopback monitoring function 55
According to the different purposes execute corresponding step please refer to the 56
Address table switch will update the corresponding table if mac source has not been 56
After configuring the attributes of the current interface this section operation can be 56
Following table 56
In order to quickly forward message switch needs to maintain mac address table the 56
Interface number of switch connected with the device the dynamic item not configured 56
Mac address is as the following if one port supposed to be porta receives a data frame 56
Mac address table includes the mac address of device connected with switch and the 56
Mac table configuration 56
Manually in the mac address table is learned by switch the method of switch learning 56
Procedure 56
Purpose 56
Source and consider that the message with the destination mac address of mac 56
Source can be forwarded by porta if mac source has been existed in the mac 56
Switch to different ethernet interface configuration view 56
Switch will analyze the source mac address of this data frame supposed to be mac 56
Used to configure attributes of other interfaces 56
Configure mac address table 57
According to the changes in the network if user configures the aging time too short 58
According to the different purposes execute corresponding step please refer to the 58
Background 58
Broadcast many data messages which cannot find destination mac address and it will 58
Configure system mac address aging time 58
Following table 58
Hole list will not be aged and lost 58
Influence the running performance of switch if user configures the aging time too long 58
Notice 58
Once the system is reset dynamic list will be lost but the stored static list and black 58
Procedure 58
Switch may delete effective mac address item 58
Switch may save many old mac address items and this will exhaust mac address 58
Table resources and cause that the switch cannot update mac address table 58
The appropriate aging time can realize the mac address aging function effectively 58
The longer or shorter aging time configured by user may result in that switch will 58
According to the different purposes execute corresponding step please refer to the 59
Add delete static arp mapping item manually 59
Arp configuration 59
Arp mapping table can dynamically be maintained or manually maintained usually 59
By arp mapping table aging time and at the same time also cannot dynamically 59
Can check add and delete arp mapping item in arp table by related manually 59
Display layer 2 mac address table 59
During the working time of device 59
Following table 59
Mac table item for user to query for specific information conveniently 59
Maintained commands 59
Map the ip address manually configured to mac address it is called static arp user 59
Procedure 59
Purpose 59
Static arp mapping table can only be configured manually and will not be influenced 59
This section introduces how to add delete static arp mapping table manually 59
This section introduces how to quickly locate the relevant information of the specified 59
Update this mapping relationship static arp mapping table continues to be effective 59
According to the different purposes execute corresponding step please refer to the 60
Address and may result in that user cannot access some nodes so user needs to use 60
Check arp information 60
Clear dynamic arp table 60
Execute this command to cancel the mapping relationship of ip address and mac 60
Following table 60
Manually when necessary 60
Procedure 60
Purpose 60
This command carefully 60
This section helps user to delete device all dynamic arp mapping table items 60
This section introduces how to clear dynamic arp mapping table 60
According to the different purposes execute corresponding step please refer to the 61
Configure dynamic arp mapping item aging time 61
Corresponding relationship between network address and local hardware address 61
Debug arp 61
Each corresponding record keeps a period of time in cache and then gives up 61
Following table 61
Procedure 61
Purpose 61
The aging time of arp mapping item can reduce the address parse error problem that 61
The dynamic arp table is not updated in time 61
This section introduces how to check arp related information this section helps user 61
This section introduces how to configure the aging time of dynamic arp mapping 61
This section introduces how to debug arp 61
To check arp mapping table in lan and detect fault of lan arp established 61
According to the different purposes execute corresponding step please refer to the 62
Aggregation only 62
Background 62
Configure aggregation group 62
Connecting reliability link aggregation can be divided into manual aggregation 62
Dynamic aggregation and static lacp aggregation pots in a same aggregation trunk 62
Following table 62
Group shall have a same port type i e if one of the ports is electric optical port all the 62
Group to implement egress load sharing of each member ports as well as provide high 62
Interface aggregation introduction 62
Link aggregation configuration 62
Link aggregation is to aggregate multiple ports into one single aggregation trunk 62
Others must be the same 62
Purpose 62
The qsw 2800 is currently supporting manual aggregation and static lacp 62
According to the different purposes execute corresponding step please refer to the 63
Following table 63
Functions as well as add member ports for enhancement of bandwidth and reliability 63
Operations in this section can be used to provision trunk group with its basic 63
Procedure 63
Appendix list 64
Port priority 64
System priority 64
According to the different purposes execute corresponding step please refer to the 65
Following table 65
Maintenance and debug 65
Procedure 65
Purpose 65
When lacp function is abnormal it needs to check and debug 65
Appendix list 66
As the following 66
Bandwidth and reliability between the two devices and the detailed requirements are 66
Configure link aggregation group on two directly connected switches to increase the 66
Example 66
Network requirement 66
The link between two devices has the ability of redundant backup when part of 66
The links is failed the backup link can be used to replace the fault link and keep 66
The transmission no break 66
Active link has the ability of load sharing 67
Configuration of one peer 67
Configuration step 67
Network topology 67
Note the configuration of two peers is the same and this only display 67
Divide lan local area network into multiple subclasses in logic and each subclass 68
Enhance the network robust 68
Generally speaking vlan divides the devices in the lan into multiple network 68
Has its own broadcast domain that is vlan virtual local area network 68
In the large scale of network it can restrict the network fault in vlan and 68
Isolate broadcast domain and reduce broadcast storm and enhance the security 68
Lan technologically 68
Segments logically but not physically to realize the isolated broadcast domains in a 68
Vlan configuration 68
Vlan function 68
Vlan introduction 68
Vlan meaning 68
According to the different purposes execute corresponding step please refer to the 69
Appendix list 69
Configure vlan based on interface 69
Create vlan 69
Following table 69
Procedure 69
Purpose 69
This section introduces how to create vlan and it is the basic precondition for other 69
Vlan function configuration 69
According to the different purposes execute corresponding step please refer to the 70
Following table 70
Procedure 70
This section introduces how to configure vlan based on interface 70
According to the different purposes execute corresponding step please refer to the 71
Appendix list 71
Configure vlan based on mac address 71
Following table 71
Procedure 71
Purpose 71
This section introduces how to configure divided vlan based on mac address 71
According to the different purposes execute corresponding step please refer to the 72
Appendix list 72
Configure vlan based on ip sub network 72
Following table 72
Procedure 72
Purpose 72
This section introduces how to configure vlan divided based on ip sub network 72
According to the different purposes execute corresponding step please refer to the 73
Appendix list 73
Configure vlan based on protocol 73
Following table 73
Procedure 73
Purpose 73
This section introduces how to configure vlan divided based on protocol 73
Appendix list 74
According to the different purposes execute corresponding step please refer to the 75
Configure vlan other parameters 75
Following table 75
Parameters according to real situation 75
Procedure 75
Purpose 75
User can choose to use this section operation to configure other vlan related 75
According to the different purposes execute corresponding step please refer to the 77
Appendix list 77
Following table 77
Maintenance and debug 77
Procedure 77
Purpose 77
When vlan function is abnormal it needs to check and debug 77
Access server1 and the staff of market department can access server2 and the two 79
And switchb to connect it requires that the staff of development department can 79
Appendix list 79
Departments cannot communicate with each other 79
Example 79
Network requirement 79
The development department and market department of enterprise user use switcha 79
Bind vlan translation item with interface 82
Vlan translation configuration 82
According to the different purposes execute corresponding step please refer to the 83
Appendix list 83
Configure or delete vlan translation item 83
Following table 83
Procedure 83
Purpose 83
This section introduces how to configure or delete vlan translation item 83
Appendix list 89
According to the different purposes execute corresponding step please refer to the 90
Check vlan translation item related information 90
Following table 90
Interface or egress binding of interface or ingress and egress binding of interface at 90
Procedure 90
Purpose 90
The same time 90
This operation helps user to check the device interface whether to bind vlan 90
This section introduces how to configure the related information of vlan translation 90
Translation item including vlan translation item index information ingress binding of 90
Access to the carrier network at last 91
After passing the swticha the voice service data with vlan10 of user1 is transmitted 91
Example 91
In the access network family user connects with switcha through family gateway and 91
Internet online business data with vlan12 of user2 is transmitted to be tagged 91
Network requirement 91
Tagged vlan11 through the gateway internet online business data of user2 is tagged 91
To be tagged vlan100 of carrier operator and the internet online business data with 91
Vlan101 91
Vlan11 of user1 is transmitted to be tagged vlan101 of carrier operator the 91
Vlan12 through the gateway 91
Voice service data of user1 is tagged vlan10 and internet online business data is 91
Chapter3 95
Dhcp configuration 95
Dhcp introduction 95
Ip service configuration 95
Summary 95
Dhcp server 99
Dhcp relay 100
Configure dhcp server 103
According to the different purposes execute corresponding step please refer to the 104
Following table 104
Procedure 104
Appendix list 105
Configure dhcp server supported option 105
Dchp server has been configured already 105
Precondition 105
According to the different purposes execute corresponding step please refer to the 106
Appendix list 106
Following table 106
Procedure 106
According to the different purposes execute corresponding step please refer to the 107
Appendix list 107
Configure dhcp server security function 107
Dchp server has been configured already 107
Following table 107
Precondition 107
Procedure 107
According to the different purposes execute corresponding step please refer to the 108
Configure dhcp relay 108
Configure dhcp relay to realize ip address assigned to user of dhcp server 108
Crossing network 108
Following table 108
Procedure 108
Purpose 108
Appendix list 109
According to the different purposes execute corresponding step please refer to the 110
Following table 110
Maintenance and debug 110
Procedure 110
Purpose 110
When dhcp function is abnormal it can use this section operation to check and 110
Appendix list 113
Dhcp server assigns ip address dynamically for clients of different network segment 113
Example 113
Network requirement 113
The detailed requirements are as follows 113
The network segments of user are 10 24 and 10 24 113
Chapter4 routing configuration 116
Configure static routing 116
Static routing configuration 116
Static routing introduction 116
Summary 116
According to the different purposes execute corresponding step please refer to the 118
Appended list 118
Following table 118
Maintenance and debug 118
Process 118
Purpose 118
Requires function check debug and defection orientation 118
The operation in this section is for situation when static route works abnormal and 118
Appended list 119
Chapter5 120
Qos configuration 120
Queue scheduling and congestion control configuration 120
Queue scheduling and congestion control introduction 120
Summary 120
According to different destination please execute corresponding steps refer to the 123
Balance delay and delay jitter of all kinds of packets in this way message of key 123
Before configuring queue scheduling and congestion control it needs to configure 123
Can be dealt fairly 123
Capability of queue scheduling drr scheduling allows negative weight to 123
Configure queue scheduling and congestion control 123
Filter rule of acl please refer to command of 7 to configure acl action to specify 123
Following table 123
Guarantee that the long message can be scheduled but at the next time of round 123
Interface queue priority for data to pass 123
Prerequisite 123
Process 123
Purpose 123
Robin this queue will not be scheduled until its weight is positive 123
Scheduling in accordance with message length if message length exceeds the 123
Service can be processed with high priority and non key service with same priority 123
Using the operation in this section when there is congestion in the network qsw 123
Will deal with message according to the configured scheduling policy so as to 123
Wrr is a scheduling in accordance with the message number drr is a 123
Attached list 124
According to different destination please execute corresponding steps refer to the 125
Attached list 125
Configure sp scheduling 125
Example 125
Flow is from interface 1 0 1 1 0 2 1 0 3 of host1 to host2 there is congestion on 125
Following table 125
Interface 1 0 1 of host2 require to use sp algorithm 125
Maintenance and debug 125
Network diagram 125
Network requirements 125
Process 125
Purpose 125
This operation to check or debug 125
When queue scheduling and congestion of qos function is abnormal user can use 125
Chapter6 128
Igmp configuration 128
Igmp snooping configuration 128
Summary 128
Configure static layer 2 multicast 130
Appendix list 131
According to the different purposes execute corresponding step please refer to the 132
Configure multicast vlan copy 132
Following table 132
Procedure 132
According to the different purposes execute corresponding step please refer to the 133
Appendix list 133
Background 133
Configure igmp snooping 133
Following table 133
Igmp snooping based on vlan runs on the switch between router and user host by 133
Listening the igmp snooping message sent between upper router and host to 133
Maintain the igmp message forwarding table so it can manage and control to 133
Procedure 133
Transmit the multicast data message to realize the multicast of layer 2 133
Appendix list 135
According to the different purposes execute corresponding step please refer to the 136
Configure controllable multicast 136
Following table 136
It is usually used in the multicast of layer 2 scenarios to control iptv program 136
Number and guarantee the service quality of most users 136
Procedure 136
Purpose 136
According to the different purposes execute corresponding step please refer to the 138
Following table 138
Maintenance and debug 138
Procedure 138
Purpose 138
User can use operation of this section 138
When igmp snooping is abnormal and it needs to check debug or locate problem 138
Example 141
Acl configuration 155
Acl introduction 155
Chapter7 155
Security configuration 155
Summary 155
According to different destination please execute corresponding steps refer to the 156
Acl type number to be from 1 to 1000 156
Background information 156
Before configuring layer2 acl rules first need to create one layer2 acl and specify 156
Configure layer2 acl 156
Destination ip source port number destination port number protocol type priority 156
Destination port number protocol type hop limitation the next head traffic class 156
Destination port number protocol type priority fragment lifetime rate limitation 156
Flow flag rate limitation template time range template and etc to classify the 156
Following table 156
Layer2 acl mainly based on source mac destination mac vlan priority 156
Layer3 acl mainly based on source ip destination ip source port number 156
Layer3 acl6 mainly based on source ipv6 destination ipv6 source port number 156
Mixed acl mainly based on source mac destination mac source ip 156
One acl is composed of some rules and actions 156
Process 156
Protocol type rate limitation template time range template and etc to classify the 156
Template time range template and etc to classify the data 156
Vlan rate limitation template time range template and etc to classify the data 156
Acl type number to be from 1001 to 2000 159
Attached list 159
Background information 159
Before configuring layer3 acl rules first need to create one layer3 acl and specify 159
Configure layer3 acl 159
One acl is composed of some rules and actions 159
Process 159
According to different destination please execute corresponding steps refer to the 160
Following table 160
Attached list 163
According to different destination please execute corresponding steps refer to the 164
Acl type number to be from 2001 to 3000 164
Background information 164
Before configuring mixed acl rules first need to create one mixed acl and specify 164
Configure mixed acl 164
Following table 164
One acl is composed of some rules and actions 164
Process 164
According to different destination please execute corresponding steps refer to the 166
Attached list 166
Background information 166
Before configuring layer3 acl6 rules first need to create one layer3 acl6 and 166
Configure layer3 acl6 166
Following table 166
One acl is composed of some rules and actions 166
Process 166
Specify acl type number to be from 3001 to 4000 166
Attached list 169
Configure acl optional function 170
Attached list 172
According to different destination please execute corresponding steps refer to the 173
Following table 173
Maintenance and debug 173
Process 173
Purpose 173
When acl function is abnormal user can use this operation to check or debug 173
Attached list 175
Example 176
Chapter8 183
Mstp configuration 183
Reliability configuration 183
Summary 183
Rstp introduction 184
Mstp introduction 186
A cist priority vector calculation 187
Assumptions 187
Bridge b from the pd port of bridge d is as follow the total root is rd the 187
Cost is ercb the domain root is rrb the inner root path cost is ircb the 187
Designated bridge id is b the designated port is b the designated port id 187
In cist priority vector is composed of the total root outer root path cost domain 187
In order to facilitate the subsequent description we make the following 187
In the initial condition the information carried in the message sent out by the 187
Is pb the id of port receiving bpdu message is pb 187
Msti priority vector calculation method as follow 187
Pb port of the bridge b is as follow the total root is rb the outer root path 187
Port receiving bpdu message 187
Priority vector calculation 187
Priority vector of the spanning tree we will introduce the cist priority vector and 187
Root inner root path cost designated bridge id designated port id and the id of 187
The information carried in the message which is received by pb port of 187
The message the most important information carried in the message is the 187
The mstp role of all bridges is computed according to the carrying information in 187
A switch a role selection process 190
And the switchb is better than switchc the link path costs are 4 5 and 10 190
Another domain alone 190
Figure 8 1 supposing that the bridge priority of switcha is better than switch b 190
In initial state the port of every device will be calculated to be the designated port and 190
Role selection process 190
State of the figure 8 1 is shown in the table 8 2 190
Switcha and switchb belong to the same domain and switchc belongs to 190
The cist instance calculation process will be introduced briefly as follow with the 190
The message priority vector carried in the message sent out by the device in initial 190
The port priority vector of all ports of device keep the same as the message priority 190
Vector in initial state 190
Will send out the message priority vector which makes it to be the root bridge 190
According to different destination please execute corresponding steps refer to the 193
As long as the same configuration the two switches belong to the same domain 193
Background information 193
Before configuring switch to join designated mst domain it needs to configure 193
Configure device to join designated mst domain 193
Following table 193
Mst domain name 193
Mst domain revision level 193
Msti and vlan mapping relationship 193
Physical attribute of interface and interface vlan characteristic 193
Process 193
Purpose 193
This section introduces how to configure switch to join mst domain 193
Attached list 194
According to different destination please execute corresponding steps refer to the 195
Background information 195
Before modifying mstp parameters please first finish the following tasks 195
Configure interface physical attribute 195
Configure interface to join in vlan 195
Configure mstp parameter 195
Configure switch to join in designated mst domain 195
Following table 195
In some specific network environment user can modify mstp parameters to achieve 195
Introduce how to modify mstp parameters in this section 195
Process 195
Purpose 195
The best result 195
Default to configure 196
Attached list 197
Anyone forges configuration message and attacks switch maliciously when the 198
Background information 198
Bpdu protection 198
Circumstances the edge interface will not receive bpdu message of stp but if 198
Configure mstp protection function 198
Configured the as edge interface to realize interface fast switching under normal 198
Edge interface receives the configuration message system will configure these 198
For the access layer device the access interface usually connects with user 198
Interfaces to be non edge interface automatically and will calculate stp again 198
Prevent this network attack 198
Terminal such as pc or file server at this time the access interface can be 198
This will results in network topology concussion bpdu protection function can 198
According to different destination please execute corresponding steps refer to the 200
After enabling tc bpdu message attack function the number of times which 200
Deletion operation will cause great burden to the device and bring great hidden 200
Following table 200
It can avoid frequent deletion of mac table item and arp table item so as to 200
Mstp processes bpdu message of tc type can be configured per unit time if 200
Process 200
Protect the switch 200
Purpose 200
Specified by threshold for other bpdu messages of tc type beyond the 200
The configured threshold the mstp process only deals with the designated times 200
The number of bpdu messages of tc type received by mstp process exceeds 200
Threshold after the timer expires mstp process only deals with once in this way 200
Trouble to the network stability 200
When need to configure mstp protection user can use this section operation 200
According to different destination please execute corresponding steps refer to the 201
Attached list 201
Following table 201
Maintenance and debug 201
Process 201
Purpose 201
When mstp function is abnormal user can use this operation to check or debug 201
Attached list 203
Basic function as following 203
Example 203
Network requirements 203
Now there are four switches to support mstp protocol they are switcha switchb 203
Switchc and switchd are other series switch produced by qtech configure mstp 203
Switchc and switchd switcha and switchb are the qsw 2800 series switch 203
Rlink configuration 208
Rlink introduction 208
Configure resilient link group function 209
According to different destination please execute corresponding steps refer to the 210
Following table 210
Function to realize redundancy link backup and fast switching under double uplinks 210
Network environment 210
Process 210
Purpose 210
Using the operation in this section to configure resilient link group and its basic 210
According to different destination please execute corresponding steps refer to the 211
Attached list 211
Background information 211
Configure monitor link group function 211
Following table 211
Function to realize interface linkage function 211
Process 211
Purpose 211
To use the operation in this section to configure monitor link group and its basic 211
Attached list 212
Background information 212
Configure rlink other related parameter 212
Enable rlink returning function after returning timer terminating it will switch to 212
Keeps blocked state and do not preempt if needing to recover it to be the main link 212
The main link 212
The original main link fault recovers in order to keep flow stability the main link 212
Use manual main standby switching of rlink group to enforce link switching 212
User can use the following two methods 212
When there is fault in the main link of rlink group it will switch to standby link after 212
According to different destination please execute corresponding steps refer to the 213
Can choose which step to use according to your need but first rlink group or mlink 213
Following table 213
Group should be configured 213
Process 213
Purpose 213
Use the operation in this section to configure other related parameters of rlink user 213
According to different destination please execute corresponding steps refer to the 214
Attached list 214
Following table 214
Maintenance and debug 214
Process 214
Purpose 214
When rlink function is abnormal user can use this operation to check or debug 214
Attached list 216
Configuration steps 217
Configure protection vlan rlink group based on vlan 217
Configure single point uplink 217
Create rlink group1 217
Example 217
In single point uplink network environment configure rlink function the master and 217
Network diagram 217
Network requirements 217
Optional default to be single mode 217
Slave interfaces are on the same switch they are fe1 1 and fe1 2 217
Switch config rlink group 1 217
Switch config rlink1 type single 217
Switch configure 217
Chapter9 224
Enable or disable poe power supply function 224
Poe configuration 224
Poe function configuration 224
Summary 224
According to the different purposes execute corresponding step please refer to the 225
Auto mode it is recommended that user uses the force standard or force high mode 225
Background information 225
Configure power supply mode 225
Following table 225
Function 225
Generally it is recommended that user uses the default mode of half auto 225
If using one of the two modes user must enable the enhanced detection power supply 225
Progress 225
Qsw 2800 pe pe supports four power supply modes they are auto force 225
Standard force high and half auto 225
When the device cannot supply electricity normally using non standard pd in half 225
According to the interface number the interface number is greater the priority is 226
Background information 226
Configure poe power supply parameter 226
Configure the pd device description connected with the interface on the device it is 226
Convenient for user to manage the downstream pd device 226
Critical equipment can be first powered when the power consumption of pd equipment 226
Currently qsw 2800 pe pe only supports power supply in signal line mode timing 226
Electricity for it 226
Higher and the port with greater interface number will be powered first 226
Insufficient if the priority of different ports is the same it will order the priority 226
Is greater than the total power supplied by the pse when the pse power is 226
Poe power supply port supports three priorities the port priority ensures that the 226
Power supply and power supply alarm function 226
Progress 226
Pse can only detect the standard pd and supply electricity for it after enabling pse 226
The command of configuring the threshold power of pse in the global configuration 226
The pd device according with the 802 af protocol is the standard pd device usually 226
To detect the non standard pd pse can detect the non standard pd and supply 226
View is used to protect the switch to avoid the influence of the unstable power supply 226
According to the different purposes execute corresponding step please refer to the 227
Following table 227
According to the different purposes execute corresponding step please refer to the 228
Check poe configuration information 228
Following table 228
Progress 228
Purpose 228
Right or wrong 228
This operation is mainly used to check the configured poe function and its parameters 228
Appendix a 229

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