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Authenticator State, Limitations Using the Guest VLAN

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xStack® DES-3528/DES-3552 Series Layer 2 Stackable Fast Ethernet Managed Switch Web UI Reference Guide target VLAN placement information, the client will be returned to its originating VLAN. Yet, if the client is denied authentication by the authenticator, it will be placed in the Guest VLAN where it has limited rights and access. The adjacent figure should give the user a better understanding of the Guest VLAN process. Limitations Using the Guest VLAN 1. Ports supporting Guest VLANs cannot be GVRP enabled and vice versa. 2. A port cannot be a member of a Guest VLAN and a static VLAN simultaneously. 3. Once a client has been accepted into the target VLAN, it can no longer access the Guest VLAN. Remember, to set an 802.1X guest VLAN, the user must first configure a normal VLAN, which can be enabled here for guest VLAN status. Only one VLAN may be assigned as the 802.1X guest VLAN. To view this window, click Security > 802.1X > Guest VLAN Settings, as shown below: Figure 8-13 Guest VLAN Settings window The fields that can be configured are described below: Parameter Description VLAN Name Enter the pre-configured VLAN name to create as an 802.1X guest VLAN. Unit Use the drop-down menu to select a unit to configure. Port Set the ports to be enabled for the 802.1X guest VLAN. Click the All button to select all the ports. Click the Apply button to accept the changes made. Click the Delete button to remove the specific entry based on the information entered. Authenticator State The following section describes the 802.1X Authenticator State on the Switch. This window displays the Authenticator State for individual ports on a selected device. In Port-based mode if one of the attached hosts is successfully authorized, all hosts on the same port will be granted access to the network. If the port authorization fails, the specified port(s) will continue authenticating. In Host-based mode each user can individually authenticate and access the network. To view this window, click Security > 802.1X > Authenticator State, as shown below: 209

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

target VLAN placement information, the client will be returned to its originating VLAN. Yet, if the client is denied

authentication by the authenticator, it will be placed in the Guest VLAN where it has limited rights and access. The

adjacent figure should give the user a better understanding of the Guest VLAN process.

Limitations Using the Guest VLAN

Ports supporting Guest VLANs cannot be GVRP enabled and vice versa.

A port cannot be a member of a Guest VLAN and a static VLAN simultaneously.

Once a client has been accepted into the target VLAN, it can no longer access the Guest VLAN.

Remember, to set an 802.1X guest VLAN, the user must first configure a normal VLAN, which can be enabled here for

guest VLAN status. Only one VLAN may be assigned as the 802.1X guest VLAN.

To view this window, click

Security > 802.1X > Guest VLAN Settings

, as shown below:

Figure 8-13 Guest VLAN Settings window

The fields that can be configured are described below:

Parameter

Description

VLAN Name

Enter the pre-configured VLAN name to create as an 802.1X guest VLAN.

Unit

Use the drop-down menu to select a unit to configure.

Port

Set the ports to be enabled for the 802.1X guest VLAN. Click the

All

button to select all the ports.

Click the

Apply

button to accept the changes made.

Click the

Delete

button to remove the specific entry based on the information entered.

Authenticator State

The following section describes the 802.1X Authenticator State on the Switch. This window displays the Authenticator

State for individual ports on a selected device. In Port-based mode if one of the attached hosts is successfully

authorized, all hosts on the same port will be granted access to the network. If the port authorization fails, the specified

port(s) will continue authenticating. In Host-based mode each user can individually authenticate and access the

network.

To view this window, click

Security > 802.1X > Authenticator State

, as shown below:

209