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Authentication Policy Settings

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xStack® DES-3528/DES-3552 Series Layer 2 Stackable Fast Ethernet Managed Switch Web UI Reference Guide Possible authentication methods for this function include TACACS/XTACACS/TACACS+/RADIUS, user defined server groups, local enable (local account on the Switch), or no authentication (none). Because XTACACS and TACACS do not support the enable function, the user must create a special account on the server host, which has the username "enable", and a password configured by the administrator that will support the "enable" function. This function becomes inoperable when the authentication policy is disabled. To view this window, click Security > Access Authentication Control > Enable Admin, as shown below: Figure 8-60 Enable Admin window When this window appears, click the Enable Admin button revealing a window for the user to enter authentication (password, username), as seen below. A successful entry will promote the user to Administrator level privileges on the Switch. Authentication Policy Settings Users can enable an administrator-defined authentication policy for users trying to access the Switch. When enabled, the device will check the Login Method List and choose a technique for user authentication upon login. To view this window, click Security > Access Authentication Control > Authentication Policy Settings, as shown below: Figure 8-61 Authentication Policy Settings window The fields that can be configured are described below: Parameter Description Authentication Policy Use the pull-down menu to enable or disable the Authentication Policy on the Switch. Response Timeout (0255) This field will set the time the Switch will wait for a response of authentication from the user. The user may set a time between 0 and 255 seconds. The default setting is 30 seconds. User Attempts (1-255) This command will configure the maximum number of times the Switch will accept authentication attempts. Users failing to be authenticated after the set amount of attempts will be denied access to the Switch and will be locked out of further authentication attempts. Command line interface users will have to wait 60 seconds before another authentication attempt. Telnet and Web users will be disconnected from the Switch. The user may set the number of attempts from 1 to 255. The default setting is 3. Click the Apply button to accept the changes made. 258

Section	Page
Intended Readers	10
Typographical Conventions	10
Notes, Notices and Cautions	10
Chapter 1 Web-based Switch Configuration	11
Introduction	11
Login to the Web Manager	11
Web-based User Interface	12
Web Pages	13
Chapter 2 System Configuration	14
Device Information	14
System Information Settings	15
Dual Configuration Settings	16
Firmware Information Settings	17
Port Configuration	18
PoE	21
Serial Port Settings	24
System Log configuration	25
Time Range Settings	29
Time Settings	29
User Accounts Settings	30
Stacking	31
Chapter 3 Management	35
ARP	35
Gratuitous ARP	37
IPv6 Neighbor Settings	38
IP Interface	39
Management Settings	43
Session Table	44
Single IP Management	44
SNMP Settings	54
Telnet Settings	64
Web Settings	64
Chapter 4 L2 Features	65
VLAN	65
Q-in-Q	88
Layer 2 Protocol Tunneling Settings	90
Spanning Tree	91
Link Aggregation	100
FDB	103
L2 Multicast Control	107
Multicast Filtering	132
ERPS Settings	136
LLDP	139
Chapter 5 L3 Features	149
Local Route Settings	149
IPv4 Static/Default Route Settings	149
IPv4 Route Table	150
IPv6 Static/Default Route Settings	151
IPv6 Route Table	151
Policy Route Settings	152
IP Forwarding Table	153
Chapter 6 QoS	154
802.1p Settings	156
Bandwidth Control	159
Traffic Control Settings	161
DSCP	164
HOL Blocking Prevention	167
Scheduling Settings	168
SRED	171
Chapter 7 ACL	174
ACL Configuration Wizard	174
Access Profile List	175
CPU Access Profile List	193
ACL Finder	207
ACL Flow Meter	208
Chapter 8 Security	211
802.1X	211
RADIUS	224
IP-MAC-Port Binding (IMPB)	229
MAC-based Access Control (MAC)	236
Web-based Access Control (WAC)	240
Japanese Web-based Access Control (JWAC)	245
Compound Authentication	252
Port Security	256
ARP Spoofing Prevention Settings	258
BPDU Attack Protection	259
Loopback Detection Settings	261
Traffic Segmentation Settings	262
NetBIOS Filtering Settings	263
DHCP Server Screening	264
Access Authentication Control	265
SSL Settings	274
SSH	276
Trusted Host Settings	280
Safeguard Engine Settings	281
Chapter 9 Network Application	284
DHCP	284
DNS	296
PPPoE Circuit ID Insertion Settings	298
SNTP	299
Chapter 10 OAM	302
CFM	302
Ethernet OAM	311
DULD Settings	315
Cable Diagnostics	316
Chapter 11 Monitoring	318
Utilization	318
Statistics	320
Mirror	332
sFlow	334
Ping Test	337
Trace Route	338
Peripheral	340
Chapter 12 Save and Tools	341
Save Configuration ID 1	341
Save Configuration ID 2	341
Save Log	342
Save All	342
Stacking Information	342
Download Firmware	344
Download Configuration File	344
Upload Configuration File	345
Upload Log File	346
Reset	347
Reboot System	347
Appendix A Mitigating ARP Spoofing Attacks Using Packet Content ACL	348
How Address Resolution Protocol Works	348
How ARP Spoofing Attacks a Network	350
Prevent ARP Spoofing via Packet Content ACL	351
Configuration	351
Appendix B System Log and Trap List	354
System Log Entries	354
DES-3528/DES-3552 Series Trap List	362
Proprietary Trap List	362
Appendix C Password Recovery Procedure	365

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xStack® DES-3528/DES-3552 Series Layer 2 Stackable Fast Ethernet Managed Switch Web UI Reference Guide

Possible authentication methods for this function include TACACS/XTACACS/TACACS+/RADIUS, user defined server

groups, local enable (local account on the Switch), or no authentication (none). Because XTACACS and TACACS do

not support the enable function, the user must create a special account on the server host, which has the username

"enable", and a password configured by the administrator that will support the "enable" function. This function becomes

inoperable when the authentication policy is disabled.

To view this window, click

Security > Access Authentication Control > Enable Admin

, as shown below:

Figure 8-60 Enable Admin window

When this window appears, click the

Enable Admin

button revealing a window for the user to enter authentication

(password, username), as seen below. A successful entry will promote the user to Administrator level privileges on the

Switch.

Authentication Policy Settings

Users can enable an administrator-defined authentication policy for users trying to access the Switch. When enabled,

the device will check the Login Method List and choose a technique for user authentication upon login.

To view this window, click

Security > Access Authentication Control > Authentication Policy Settings

, as shown

below:

Figure 8-61 Authentication Policy Settings window

The fields that can be configured are described below:

Parameter

Description

Authentication Policy

Use the pull-down menu to enable or disable the Authentication Policy on the Switch.

Response Timeout (0-

255)

This field will set the time the Switch will wait for a response of authentication from the

user. The user may set a time between

and

255

seconds. The default setting is

seconds.

User Attempts (1-255)

This command will configure the maximum number of times the Switch will accept

authentication attempts. Users failing to be authenticated after the set amount of

attempts will be denied access to the Switch and will be locked out of further

authentication attempts. Command line interface users will have to wait 60 seconds

before another authentication attempt. Telnet and Web users will be disconnected from

the Switch. The user may set the number of attempts from

255

. The default setting

Click the

Apply

button to accept the changes made.

258