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Initialize, Disconnected, Connecting, Authenticating, Authenticated, Aborting, Force_auth,

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DGS-1250 Series Gigabit Ethernet Smart Managed Switch CLI Reference Guide 802.1X Backend State  INITIALIZE - Indicates the authenticator is initializing the state machine and ready to authenticate the supplicant.  DISCONNECTED - Indicates that the state machine initialization has finished, but no supplicant connects to this port.  CONNECTING - Indicates that the Switch has detected a supplicant connecting to this port. The PAE will attempt to establish communication with a supplicant.  AUTHENTICATING - Indicates that a supplicant is being authenticated.  AUTHENTICATED - Indicates that the Authenticator has successfully authenticated the supplicant.  ABORTING - Indicates that the authentication procedure is being prematurely aborted due to the receipt of a re-authentication request, an EAPOL-Start frame, an EAPOL-Logoff frame, or an authentication timeout.  HELD - Indicates that the state machine ignores and discards all EAPOL packets in order to discourage brute force attacks. This state is entered from the AUTHENTICATING state following an authentication failure.  FORCE_AUTH - Indicates that the supplicant is always authorized.  FORCE_UNAUTH - Indicates that the supplicant is always unauthorized. Indicates the 802.1X backend PAE state. It can be one of the following values:  REQUEST - Indicates that the state machine has received an EAP request packet from the authentication server and is relaying that packet to the Supplicant as an EAPOL-encapsulated frame.  RESPONSE - Indicates that the state machine has received an EAPOLencapsulated EAP Response packet from the supplicant and is relaying the EAP packet to the authentication Server.  SUCCESS - Indicates that the authentication server has confirmed that the supplicant is a legal client. The backend state machine will notify the authenticator PAE state machine and the supplicant.  FAIL - Indicates that the authentication server has confirmed the supplicant is an illegal client. The backend state machine will notify the authenticator PAE state machine and the supplicant.  TIMEOUT - Indicates that the authentication server or supplicant has time out.  IDLE - In this state, the state machine is waiting for the Authenticator state machine to signal the start of a new authentication session.  INITIALIZE - Indicates the authenticator is initializing the state machine. 337

Section	Page
Table of Contents	2
1. Introduction	4
Audience	4
Other Documentation	4
Conventions	4
Notes, Notices, and Cautions	4
Connecting to the Console Port	5
Command Descriptions	5
Command Modes	5
EXEC Mode	5
Global Configuration Mode	6
Creating a User Account	6
Error Messages	7
Editing Features	7
Display Result Output Modifiers	8
2. Basic CLI Commands	10
2-1 help	10
Parameters	10
Default	10
Command Mode	10
Usage Guideline	10
Example	11
2-2 configure terminal	11
Parameters	11
Default	11
Command Mode	12
Usage Guideline	12
Example	12
2-3 login (EXEC)	12
Parameters	12
Default	12
Command Mode	12
Usage Guideline	12
Example	12
2-4 logout	12
Parameters	13
Default	13
Command Mode	13
Usage Guideline	13
Example	13
2-5 end	13
Parameters	13
Default	13
Command Mode	13
Usage Guideline	13
Example	13
2-6 exit	14
Parameters	14
Default	14
Command Mode	14
Usage Guideline	14
Example	14
2-7 show environment	14
Parameters	14
Default	14
Command Mode	14
Usage Guideline	15
Example	15
Display Parameters	15
2-8 show unit	15
Parameters	15
Default	15
Command Mode	15
Usage Guideline	15
Example	16
2-9 show cpu utilization	16
Parameters	16
Default	16
Command Mode	16
Usage Guideline	16
Example	16
2-10 show version	17
Parameters	17
Default	17
Command Mode	17
Usage Guideline	17
Example	17
2-11 snmp-server enable traps environment	17
Parameters	17
Default	18
Command Mode	18
Usage Guideline	18
Example	18
2-12 environment temperature threshold	18
Parameters	18
Default	18
Command Mode	18
Usage Guideline	18
Example	19
2-13 show memory utilization	19
Parameters	19
Default	19
Command Mode	19
Usage Guideline	19
Example	19
3. 802.1X Commands	20
3-1 clear dot1x counters	20
Parameters	20
Default	20
Command Mode	20
Usage Guideline	20
Example	20
3-2 dot1x control-direction	20
Parameters	20
Default	21
Command Mode	21
Usage Guideline	21
Example	21
3-3 dot1x default	21
Parameters	21
Default	21
Command Mode	21
Usage Guideline	22
Example	22
3-4 dot1x port-control	22
Parameters	22
Default	22
Command Mode	22
Usage Guideline	22
Example	22
3-5 dot1x forward-pdu	23
Parameters	23
Default	23
Command Mode	23
Usage Guideline	23
Example	23
3-6 dot1x initialize	23
Parameters	23
Default	23
Command Mode	24
Usage Guideline	24
Example	24
3-7 dot1x max-req	24
Parameters	24
Default	24
Command Mode	24
Usage Guideline	24
Example	24
3-8 dot1x pae authenticator	25
Parameters	25
Default	25
Command Mode	25
Usage Guideline	25
Example	25
3-9 dot1x re-authenticate	25
Parameters	25
Default	26
Command Mode	26
Usage Guideline	26
Example	26
3-10 dot1x system-auth-control	26
Parameters	26
Default	26
Command Mode	26
Usage Guideline	26
Example	27
3-11 dot1x timeout	27
Parameters	27
Default	27
Command Mode	27
Usage Guideline	27
Example	27
3-12 show dot1x	28
Parameters	28
Default	28
Command Mode	28
Usage Guideline	28
Example	28
3-13 show dot1x diagnostics	29
Parameters	29
Default	29
Command Mode	29
Usage Guideline	29
Example	29
3-14 show dot1x statistics	30
Parameters	30
Default	30
Command Mode	30
Usage Guideline	30
Example	30
3-15 show dot1x session-statistics	30
Parameters	31
Default	31
Command Mode	31
Usage Guideline	31
Example	31
3-16 snmp-server enable traps dot1x	31
Parameters	31
Default	32
Command Mode	32
Usage Guideline	32
Example	32
4. Access Control List (ACL) Commands	33
4-1 access-list resequence	33
Parameters	33
Default	33
Command Mode	33
Usage Guideline	33
Example	34
4-2 acl-hardware-counter	34
Parameters	34
Default	34
Command Mode	35
Usage Guideline	35
Example	35
4-3 clear acl-hardware-counter	35
Parameters	35
Default	35
Command Mode	35
Usage Guideline	35
Example	35
4-4 ip access-group	35
Parameters	36
Default	36
Command Mode	36
Usage Guideline	36
Example	36
4-5 ip access-list	36
Parameters	36
Default	37
Command Mode	37
Usage Guideline	37
Example	37
4-6 ipv6 access-group	37
Parameters	37
Default	37
Command Mode	37
Usage Guideline	37
Example	38
4-7 ipv6 access-list	38
Parameters	38
Default	38
Command Mode	38
Usage Guideline	38
Example	38
4-8 list-remark	39
Parameters	39
Default	39
Command Mode	39
Usage Guideline	39
Example	39
4-9 mac access-group	39
Parameters	40
Default	40
Command Mode	40
Usage Guideline	40
Example	40
4-10 mac access-list	40
Parameters	40
Default	41
Command Mode	41
Usage Guideline	41
Example	41
4-11 permit \| deny (ip access-list)	41
Parameters	41
Default	43
Command Mode	43
Usage Guideline	43
Example	43
4-12 permit \| deny (ipv6 access-list)	43
Parameters	44
Default	45
Command Mode	45
Usage Guideline	45
Example	45
4-13 permit \| deny (mac access-list)	46
Parameters	46
Default	46
Command Mode	46
Usage Guideline	47
Example	47
4-14 show access-group	47
Parameters	47
Default	47
Command Mode	47
Usage Guideline	47
Example	48
4-15 show access-list	48
Parameters	48
Default	48
Command Mode	48
Usage Guideline	48
Example	49
5. Access Management Commands	50
5-1 access-class	50
Parameters	50
Default	50
Command Mode	50
Usage Guideline	50
Example	50
5-2 do	50
Parameters	50
Default	50
Command Mode	51
Usage Guideline	51
Example	51
5-3 ip http server	51
Parameters	51
Default	52
Command Mode	52
Usage Guideline	52
Example	52
5-4 ip http secure-server	52
Parameters	52
Default	52
Command Mode	52
Usage Guideline	52
Example	52
5-5 ip {http \| https} access-class	53
Parameters	53
Default	53
Command Mode	53
Usage Guideline	53
Example	53
5-6 ip http service-port	53
Parameters	53
Default	53
Command Mode	54
Usage Guideline	54
Example	54
5-7 ip http timeout-policy idle	54
Parameters	54
Default	54
Command Mode	54
Usage Guideline	54
Example	54
5-8 ip telnet server	54
Parameters	55
Default	55
Command Mode	55
Usage Guideline	55
Example	55
5-9 ip telnet service-port	55
Parameters	55
Default	55
Command Mode	55
Usage Guideline	55
Example	56
5-10 line	56
Parameters	56
Default	56
Command Mode	56
Usage Guideline	56
Example	56
5-11 show terminal	56
Parameters	56
Default	56
Command Mode	57
Usage Guideline	57
Example	57
5-12 show ip telnet server	57
Parameters	57
Default	57
Command Mode	57
Usage Guideline	57
Example	57
5-13 show ip http server	58
Parameters	58
Default	58
Command Mode	58
Usage Guideline	58
Example	58
5-14 show ip http secure-server	58
Parameters	58
Default	58
Command Mode	58
Usage Guideline	58
Example	59
5-15 show users	59
Parameters	59
Default	59
Command Mode	59
Usage Guideline	59
Example	59
5-16 terminal length	59
Parameters	60
Default	60
Command Mode	60
Usage Guideline	60
Example	60
5-17 terminal speed	60
Parameters	60
Default	60
Command Mode	61
Usage Guideline	61
Example	61
5-18 session-timeout	61
Parameters	61
Default	61
Command Mode	61
Usage Guideline	61
Example	61
5-19 terminal width	61
Parameters	62
Default	62
Command Mode	62
Usage Guideline	62
Example	62
5-20 username	62
Parameters	62
Default	63
Command Mode	63
Usage Guideline	63
Example	63
6. ARP Spoofing Prevention Commands	64
6-1 ip arp spoofing-prevention	64
Parameters	64
Default	64
Command Mode	64
Usage Guideline	64
Example	64
6-2 show ip arp spoofing-prevention	65
Parameters	65
Default	65
Command Mode	65
Usage Guideline	65
Example	65
Display Parameters	65
7. Asymmetric VLAN Commands	66
7-1 asymmetric-vlan	66
Parameters	66
Default	66
Command Mode	66
Usage Guideline	66
Example	66
8. Authentication, Authorization, and Accounting (AAA) Commands	67
8-1 aaa authentication dot1x	67
Parameters	67
Default	67
Command Mode	67
Usage Guideline	67
Example	67
8-2 aaa group server radius	67
Parameters	68
Default	68
Command Mode	68
Usage Guideline	68
Example	68
8-3 aaa new-model	68
Parameters	68
Default	68
Command Mode	68
Usage Guideline	68
Example	69
8-4 clear aaa counters servers	69
Parameters	69
Default	69
Command Mode	69
Usage Guideline	69
Example	69
8-5 radius-server deadtime	69
Parameters	70
Default	70
Command Mode	70
Usage Guideline	70
Example	70
8-6 radius-server host	70
Parameters	70
Default	71
Command Mode	71
Usage Guideline	71
Example	71
8-7 server (RADIUS)	71
Parameters	71
Default	71
Command Mode	71
Usage Guideline	71
Example	72
8-8 show aaa	72
Parameters	72
Default	72
Command Mode	72
Usage Guideline	72
Example	72
8-9 show radius statistics	72
Parameters	72
Default	73
Command Mode	73
Usage Guideline	73
Example	73
Display Parameters	73
9. Basic IPv4 Commands	75
9-1 arp	75
Parameters	75
Default	75
Command Mode	75
Usage Guideline	75
Example	75
9-2 arp timeout	75
Parameters	75
Default	75
Command Mode	76
Usage Guideline	76
Example	76
9-3 clear arp-cache	76
Parameters	76
Default	76
Command Mode	76
Usage Guideline	76
Example	76

Match case Limit results 1 per page

DGS-1250 Series Gigabit Ethernet Smart Managed Switch CLI Reference Guide

337



INITIALIZE

- Indicates the authenticator is initializing the state machine

and ready to authenticate the supplicant.



DISCONNECTED

- Indicates that the state machine initialization has

finished, but no supplicant connects to this port.



CONNECTING

- Indicates that the Switch has detected a supplicant

connecting to this port. The PAE will attempt to establish communication

with a supplicant.



AUTHENTICATING

- Indicates that a supplicant is being authenticated.



AUTHENTICATED

- Indicates that the Authenticator has successfully

authenticated the supplicant.



ABORTING

- Indicates that the authentication procedure is being

prematurely aborted due to the receipt of a re-authentication request, an

EAPOL-Start frame, an EAPOL-Logoff frame, or an authentication timeout.



HELD

- Indicates that the state machine ignores and discards all EAPOL

packets in order to discourage brute force attacks. This state is entered

from the AUTHENTICATING state following an authentication failure.



FORCE_AUTH

- Indicates that the supplicant is always authorized.



FORCE_UNAUTH

- Indicates that the supplicant is always unauthorized.

802.1X Backend State

Indicates the 802.1X backend PAE state. It can be one of the following values:



REQUEST

- Indicates that the state machine has received an EAP

request packet from the authentication server and is relaying that packet

to the Supplicant as an EAPOL-encapsulated frame.



RESPONSE

- Indicates that the state machine has received an EAPOL-

encapsulated EAP Response packet from the supplicant and is relaying

the EAP packet to the authentication Server.



SUCCESS

- Indicates that the authentication server has confirmed that

the supplicant is a legal client. The backend state machine will notify the

authenticator PAE state machine and the supplicant.



FAIL

- Indicates that the authentication server has confirmed the

supplicant is an illegal client. The backend state machine will notify the

authenticator PAE state machine and the supplicant.



TIMEOUT

- Indicates that the authentication server or supplicant has time

out.



IDLE

- In this state, the state machine is waiting for the Authenticator state

machine to signal the start of a new authentication session.



INITIALIZE

- Indicates the authenticator is initializing the state machine.