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Time Commands

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DGS-3630 Layer 3 Stackable Managed Switch CLI Reference Guide 21. Time Commands 21-1 clock set This command is used to manually set the system's clock. clock set HH:MM:SS DAY MONTH YEAR Parameters HH:MM:SS DAY MONTH YEAR Specifies the current time in hours (24-hour format), minutes and seconds. Specifies the current day (by date) in the month. Specifies the current month (by name, January, Jan, February, Feb, and so on). Specifies the current year (no abbreviation). Default None. Command Mode Privileged EXEC Mode. Command Default Level Level: 12. Usage Guideline Generally, if the system is synchronized by a valid outside timing mechanism, such as SNTP, there is no need to set the software clock. Use this command if no other time sources are available. The time specified in this command is assumed to be in the time zone specified by the configuration of the clock timezone command. The clock configured by this command will be applied to RTC if it is available. The configured clock will not be stored in the configuration file. If the clock is manually set and the SNTP server is configured, the system will still try to sync the clock with the server. If the clock is manually set, but a new clock time is obtained by the SNTP server, the clock will be replaced by the new synced clock. Example This example shows how to manually set the software clock to 6:00 p.m. on Jul 4, 2013. Switch# clock set 18:00:00 4 Jul 2013 Switch# 21-2 show clock This command is used to display the time and date information. show clock Parameters None. 164

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