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DGS-3630 Layer 3 Stackable Managed Switch CLI Reference Guide Command Mode Global Configuration Mode. Command Default Level Level: 15. Usage Guideline When using the boot image command, the associated specified boot image file will be the startup boot image file for the next reboot. Use this command to assign a file as the next-boot image file. The system will check the model and checksum to determine whether the file is a valid image file. The purpose of the check parameter is for checking the file information to let the user understand whether the specified file is suitable to be a boot image or not. The setting of the boot image command will immediately be stored in the NVRAM, which is a space separated from the start-up configuration. The backup image is decided automatically and is the newest valid image other than the boot-up one. Example This example shows how to specify that the Switch should use the image file named 'switch-image1.had' as the boot image file for the next startup. Switch# configure terminal Switch(config)# boot image c:/switch-image1.had Switch(config)# This example shows how to check a specified image file called "c:/runtime.switch.had". The checksum of the image file has been verified is okay and the information of the image file is displayed. Switch#configure terminal Switch(config)#boot image check c:/runtime.switch.had Image information Version: 2.10.012 Description: D-Link Corporation Gigabit Ethernet Switch Switch(config)# This example shows how to checks a specified image file called "runtime.wrongswitch.had". The checksum of the image file has been verified wrong and an error message is displayed. Switch# configure terminal Switch(config)# boot image check runtime.wrongswitch.had ERROR: Invalid firmware image. Switch(config)# 19-3 clear running-config This command is used to clear the system's running configuration. clear running-config Parameters None. 143

Section	Page
Table of Contents	2
1. Introduction	3
Audience	3
Other Documentation	3
Conventions	3
Notes, Notices, and Cautions	3
Command Descriptions	4
Command Modes	4
User EXEC Mode at Basic User Level	5
Privileged EXEC Mode at Operator Level	5
Privileged EXEC Mode at Administrator Level	6
Global Configuration Mode	6
Interface Configuration Mode	6
Creating a User Account	6
Interface Notation	7
Error Messages	8
Editing Features	8
Display Result Output Modifiers	9
2. Basic CLI Commands	11
2-1 help	11
Parameters	11
Default	11
Command Mode	11
Command Default Level	11
Usage Guideline	11
Example	11
2-2 enable	12
Parameters	12
Default	12
Command Mode	13
Command Default Level	13
Usage Guideline	13
Example	13
2-3 disable	13
Parameters	13
Default	13
Command Mode	13
Command Default Level	13
Usage Guideline	13
Example	14
2-4 configure terminal	14
Parameters	14
Default	14
Command Mode	14
Command Default Level	14
Usage Guideline	14
Example	14
2-5 login (EXEC)	14
Parameters	14
Default	15
Command Mode	15
Command Default Level	15
Usage Guideline	15
Example	15
2-6 login (Line)	15
Parameters	15
Default	15
Command Mode	15
Command Default Level	15
Usage Guideline	16
Example	16
2-7 logout	17
Parameters	17
Default	17
Command Mode	17
Command Default Level	17
Usage Guideline	17
Example	17
2-8 end	17
Parameters	17
Default	17
Command Mode	17
Command Default Level	18
Usage Guideline	18
Example	18
2-9 exit	18
Parameters	18
Default	18
Command Mode	18
Command Default Level	18
Usage Guideline	18
Example	18
2-10 show history	19
Parameters	19
Default	19
Command Mode	19
Command Default Level	19
Usage Guideline	19
Example	19
2-11 password-recovery	19
Parameters	19
Default	20
Command Mode	20
Command Default Level	20
Usage Guideline	20
Example	20
2-12 show environment	20
Parameters	20
Default	21
Command Mode	21
Command Default Level	21
Usage Guideline	21
Example	21
Display Parameters	21
2-13 show unit	21
Parameters	22
Default	22
Command Mode	22
Command Default Level	22
Usage Guideline	22
Example	22
2-14 show cpu utilization	22
Parameters	22
Default	23
Command Mode	23
Command Default Level	23
Usage Guideline	23
Example	23
2-15 show version	23
Parameters	24
Default	24
Command Mode	24
Command Default Level	24
Usage Guideline	24
Example	24
2-16 environment temperature threshold	24
Parameters	24
Default	25
Command Mode	25
Command Default Level	25
Usage Guideline	25
Example	25
2-17 show memory utilization	25
Parameters	25
Default	25
Command Mode	25
Command Default Level	25
Usage Guideline	26
Example	26
3. Access Management Commands	27
3-1 banner login	27
Parameters	27
Default	27
Command Mode	27
Command Default Level	27
Usage Guideline	27
Example	27
3-2 prompt	28
Parameters	28
Default	28
Command Mode	28
Command Default Level	28
Usage Guideline	28
Example	28
3-3 enable password	29
Parameters	29
Default	29
Command Mode	29
Command Default Level	29
Usage Guideline	29
Example	29
3-4 ip telnet server	29
Parameters	30
Default	30
Command Mode	30
Command Default Level	30
Usage Guideline	30
Example	30
3-5 ip telnet service port	30
Parameters	30
Default	30
Command Mode	30
Command Default Level	30
Usage Guideline	31
Example	31
3-6 line	31
Parameters	31
Default	31
Command Mode	31
Command Default Level	31
Usage Guideline	31
Example	31
3-7 service password-recovery	31
Parameters	32
Default	32
Command Mode	32
Command Default Level	32
Usage Guideline	32
Example	32
3-8 service password-encryption	32
Parameters	32
Default	32
Command Mode	32
Command Default Level	32
Usage Guideline	33
Example	33
3-9 show terminal	33
Parameters	33
Default	33
Command Mode	33
Command Default Level	33
Usage Guideline	33
Example	34
3-10 show users	34
Parameters	34
Default	34
Command Mode	34
Command Default Level	34
Usage Guideline	34
Example	34
3-11 terminal length	35
Parameters	35
Default	35
Command Mode	35
Command Default Level	35
Usage Guideline	35
Example	35
3-12 terminal speed	36
Parameters	36
Default	36
Command Mode	36
Command Default Level	36
Usage Guideline	36
Example	36
3-13 session-timeout	36
Parameters	36
Default	36
Command Mode	36
Command Default Level	37
Usage Guideline	37
Example	37
3-14 terminal width	37
Parameters	37
Default	37
Command Mode	37
Command Default Level	37
Usage Guideline	37
Example	38
3-15 username	38
Parameters	38
Default	39
Command Mode	39
Command Default Level	39
Usage Guideline	39
Example	39
3-16 password	39
Parameters	39
Default	40
Command Mode	40
Command Default Level	40
Usage Guideline	40
Example	40
3-17 banner exec	40
Parameters	40
Default	40
Command Mode	40
Command Default Level	41
Usage Guideline	41
Example	41
3-18 exec-banner	41
Parameters	41
Default	41
Command Mode	41
Command Default Level	41
Usage Guideline	41
Example	42
3-19 terminal monitor	42
Parameters	42
Default	42
Command Mode	42
Command Default Level	42
Usage Guideline	42
Example	42
4. Authentication, Authorization, and Accounting (AAA) Commands	43
4-1 aaa accounting commands	43
Parameters	43
Default	43
Command Mode	43
Command Default Level	43
Usage Guideline	43
Example	43
4-2 aaa accounting exec	44
Parameters	44
Default	44
Command Mode	44
Command Default Level	44
Usage Guideline	44
Example	44
4-3 aaa accounting system	45
Parameters	45
Default	45
Command Mode	45
Command Default Level	45
Usage Guideline	45
Example	45
4-4 aaa authentication enable	46
Parameters	46
Default	46
Command Mode	46
Command Default Level	46
Usage Guideline	46
Example	46
4-5 aaa authentication login	46
Parameters	47
Default	47
Command Mode	47
Command Default Level	47
Usage Guideline	47
Example	47
4-6 aaa group server radius	48
Parameters	48
Default	48
Command Mode	48
Command Default Level	48
Usage Guideline	48
Example	48
4-7 aaa group server tacacs+	48
Parameters	48
Default	49
Command Mode	49
Command Default Level	49
Usage Guideline	49
Example	49
4-8 aaa new-model	49
Parameters	49
Default	49
Command Mode	49
Command Default Level	49
Usage Guideline	49
Example	50
4-9 accounting commands	50
Parameters	50
Default	50
Command Mode	50
Command Default Level	50
Usage Guideline	50
Example	50
4-10 accounting exec	51
Parameters	51
Default	51
Command Mode	51
Command Default Level	51
Usage Guideline	51
Example	51
4-11 clear aaa counters servers	51
Parameters	51
Default	52
Command Mode	52
Command Default Level	52
Usage Guideline	52
Example	52
4-12 login authentication	52
Parameters	52
Default	52
Command Mode	52
Command Default Level	53
Usage Guideline	53
Example	53
4-13 radius-server attribute 4	53
Parameters	53
Default	53
Command Mode	53
Command Default Level	53
Usage Guideline	53
Example	54
4-14 radius-server deadtime	54
Parameters	54
Default	54
Command Mode	54
Command Default Level	54
Usage Guideline	54
Example	54
4-15 radius-server host	54
Parameters	55
Default	55
Command Mode	55
Command Default Level	55
Usage Guideline	55
Example	55
4-16 server (RADIUS)	55
Parameters	56
Default	56
Command Mode	56
Command Default Level	56
Usage Guideline	56
Example	56
4-17 server (TACACS+)	56
Parameters	56
Default	56
Command Mode	57
Command Default Level	57
Usage Guideline	57
Example	57
4-18 show aaa	57
Parameters	57
Default	57
Command Mode	57
Command Default Level	57
Usage Guideline	57
Example	58
4-19 tacacs-server host	58
Parameters	58
Default	58
Command Mode	58
Command Default Level	58
Usage Guideline	58
Example	59
4-20 show radius statistics	59
Parameters	59
Default	59
Command Mode	59
Command Default Level	59
Usage Guideline	59
Example	60
Display Parameters	60
4-21 show tacacs statistics	61
Parameters	61
Default	61
Command Mode	61
Command Default Level	61
Usage Guideline	61
Example	61
Display Parameters	62
5. Basic IPv4 Commands	63
5-1 ip address	63
Parameters	63
Default	63
Command Mode	63
Command Default Level	63
Usage Guideline	63
Example	63
5-2 ip default-gateway	63
Parameters	63
Default	64
Command Mode	64
Command Default Level	64
Usage Guideline	64
Example	64
5-3 show ip interface	64
Parameters	64
Default	64
Command Mode	64
Command Default Level	64
Usage Guideline	64
Example	65
6. Command Logging Commands	66
6-1 command logging enable	66
Parameters	66
Default	66
Command Mode	66
Command Default Level	66
Usage Guideline	66
Example	66
7. CPU Port Statistics Commands	67
7-1 debug show cpu port	67
Parameters	67
Default	67
Command Mode	67
Command Default Level	67
Usage Guideline	67
Example	68
7-2 debug clear cpu port	68
Parameters	68
Default	68
Command Mode	68
Command Default Level	68
Usage Guideline	68
Example	69
8. Debug Commands	70
8-1 debug enable	70
Parameters	70
Default	70
Command Mode	70
Command Default Level	70
Usage Guideline	70
Example	70
8-2 debug output	70
Parameters	70
Default	71
Command Mode	71
Command Default Level	71
Usage Guideline	71
Example	71
8-3 debug reboot on-error	71
Parameters	71
Default	71
Command Mode	71
Command Default Level	71
Usage Guideline	71
Example	72
8-4 debug copy	72
Parameters	72
Default	72
Command Mode	72
Command Default Level	72
Usage Guideline	72
Example	73
8-5 debug clear buffer	73
Parameters	73
Default	73