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Netgear GS724Tv4 Software Administration Manual - Page 179

RADIUS Configuration

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GS716Tv3, GS724Tv4, and GS748Tv5 Smart Switches RADIUS Configuration RADIUS servers provide additional security for networks. The RADIUS server maintains a user database, which contains per-user authentication information. The switch passes information to the configured RADIUS server, which can authenticate a user name and password before authorizing use of the network. RADIUS servers provide a centralized authentication method for: • Web access • Port access control (802.1X) The RADIUS menu contains links to the features described in the following sections. • Global Configuration • RADIUS Server Configuration • Accounting Server Configuration Global Configuration Use the Global Configuration screen to add information about one or more RADIUS servers on the network. Consideration to maximum delay time should be given when configuring RADIUS maximum retransmit and RADIUS time-out. If multiple RADIUS servers are configured, the maximum retransmit value on each will run out before the next server is attempted. A retransmit will not occur until the configured time-out value on that server has passed without a response from the RADIUS server. Therefore, the maximum delay in receiving a response from the RADIUS application equals the product of retransmit × time-out for all configured servers. If the RADIUS request was generated by a user login attempt, all user interfaces will be blocked until the RADIUS application returns a response.  To configure global RADIUS server settings: 1. Select Security > Management Security > RADIUS > Global Configuration. The Current Server IP Address field is blank if no servers are configured (see RADIUS Server Configuration on page 180). The switch supports up to three configured RADIUS servers. If more than one RADIUS servers are configured, the current server is the server configured as the primary server. If no servers are configured as the primary server, the current server is the most recently added RADIUS server. 2. In the Max Number of Retransmits field, specify the value of the maximum number of times a request packet is retransmitted to the RADIUS server. 3. In the Timeout Duration field, specify the time-out value, in seconds, for request retransmissions. 4. From the Accounting Mode list, select whether the RADIUS accounting mode is enabled or disabled on the current server. 5. Click the Apply button. Managing Device Security 179

Section	Page
GS716Tv3, GS724Tv4, and GS748Tv5 Smart Switches	1
Contents	3
1. Getting Started	9
Getting Started with the NETGEAR Switch	10
Switch Management Interface	11
Connect the Switch to the Network	12
Discover a Switch in a Network with a DHCP Server	13
Discover a Switch in a Network without a DHCP Server	15
Configure the Network Settings on the Administrative System	16
Access the Management Interface from a Web Browser	19
Understand the User Interfaces	19
Use the Web Interface	19
Use SNMPv3	26
Interface Naming Convention	27
Configuring Interface Settings	28
Online Help	33
Support	33
User Guide	33
Registration	34
2. Configure System Information	35
Management	36
System Information	36
IP Configuration	37
IPv6 Network Configuration	39
IPv6 Network Neighbor	40
Time	41
Denial of Service	46
DNS	48
Green Ethernet	50
License	55
SNMP	56
Configure the SNMPv1/v2 Community	56
LLDP	59
LLDP Configuration	60
LLDP Port Settings	61
LLDP-MED Network Policy	62
LLDP-MED Port Settings	63
Local Information	63
Neighbors Information	66
Services	70
DHCP Snooping	70
Statistics	74
Dynamic ARP Inspection	75
3. Configuring Switching	80
Ports	81
Port Configuration	81
Flow Control	82
Link Aggregation Groups	83
LAG Configuration	83
LAG Membership	85
LACP Configuration	86
LACP Port Configuration	86
VLANs	87
Basic VLAN Configuration	88
VLAN Membership Configuration	89
VLAN Status	90
Port VLAN ID Configuration	91
MAC-Based VLAN	92
Protocol-Based VLAN Group Configuration	93
Protocol-Based VLAN Group Membership	94
Voice VLAN	94
Auto-VoIP Configuration	95
Configure Protocol-Based Auto VoIP Settings	95
OUI-Based Properties	96
Port Settings	96
OUI Table	97
Spanning Tree Protocol	98
STP Configuration	99
CST Configuration	100
CST Port Configuration	101
CST Port Status	102
Rapid STP	103
MST Configuration	104
MST Port Configuration	105
STP Statistics	107
Multicast	108
MFDB Table	108
MFDB Statistics	109
Auto-Video	110
IGMP Snooping	110
IGMP Snooping Querier	115
MLD Snooping	117
MVR Configuration	123
MVR Configuration	124
MVR Group Configuration	125
MVR Interface Configuration	126
MVR Group Membership	126
MVR Statistics	127
Address Table	128
MAC Address Table	128
Dynamic Address Configuration	129
Static MAC Address	130
Multiple Registration Protocol Configuration	131
MRP Configuration	133
MRP Port Settings	134
MMRP Statistics	135
MVRP Statistics	136
MSRP Statistics	137
MSRP Reservation Parameters	138
Qav Parameters	139
MSRP Streams Information	140
802.1AS	142
802.1AS Configuration	142
802.1AS Port Settings	143
802.1AS Statistics	145
4. Configuring Routing	147
Configure IP Settings	148
IP Configuration	148
IP Statistics	149
Configure VLAN Routing	152
VLAN Routing Wizard	152
VLAN Routing Configuration	153
Configure Router Discovery	154
Configure and View Routes	155
Configure ARP	157
ARP Cache	158
Create a Static ARP Entry	159
Configure Global ARP Settings	159
Remove an ARP Entry From the ARP Cache	160
5. Configuring Quality of Service	161
Class of Service	162
CoS Configuration	162
CoS Interface Configuration	164
Interface Queue Configuration	165
802.1p to Queue Mapping	166
DSCP to Queue Mapping	166
Differentiated Services	167
Defining DiffServ	167
Diffserv Configuration	168
Class Configuration	169
IPv6 Class Configuration	172
Policy Configuration	173
Service Configuration	176
Service Statistics	176
6. Managing Device Security	177
Management Security Settings	178
Change Password	178
RADIUS Configuration	179
Configure TACACS+	183
Authentication List Configuration	185
Configuring Management Access	188
HTTP Configuration	188
Secure HTTP Configuration	189
Certificate Management	190
Certificate Download	190
Access Control	192
Port Authentication	194
802.1X Configuration	194
Port Authentication	195
Port Summary	198
Client Summary	199
Traffic Control	200
MAC Filter Configuration	200
MAC Filter Summary	201
Storm Control	202
Port Security Configuration	203
Port Security Interface Configuration	203
Security MAC Address	204
Protected Ports Membership	205
Configure Access Control Lists	206
ACL Wizard	207
MAC ACL	210
MAC Rules	211
MAC Binding Configuration	213
MAC Binding Table	214
IP ACL	215
IP Rules	216
IP Extended Rules	218
IPv6 ACL	221
IPv6 Rules	222
IP Binding Configuration	224
IP Binding Table	225
VLAN Binding Table	225
7. Monitoring the System	227
Ports	227
Switch Statistics	228
Port Statistics	230
Port Detailed Statistics	231
EAP Statistics	237
Cable Test	238
Logs	239
Memory Logs	240
Server Log	242
Trap Logs	244
Event Logs	245
Mirroring	245
8. Maintenance	247
Reset	247
Device Reboot	247
Factory Default	248
Upload	248
TFTP File Upload	249
HTTP File Upload	250
Download	251
TFTP File Download	251
HTTP File Download	253
File Management	254
Copy	254
Dual Image Configuration	255
Dual Image Status	256
9. Troubleshooting	257
Troubleshooting Configuration Menu	257
Ping	257
Ping IPv6	258
TraceRoute IPv4	259
TraceRoute IPv6	260
Troubleshooting Chart	261
A. Configuration Examples	262
Virtual Local Area Network Configuration Example	263
Access Control Lists (ACLs)	266
MAC ACL Configuration Example	266
Standard IP ACL Configuration Example	268
Differentiated Services	269
Class	269
DiffServ Traffic Classes	270
Creating Policies	270
DiffServ Configuration Example	272
802.1X Configuration Example	273
MSTP	276
MSTP Configuration Example	278
VLAN Routing Interface Configuration Example	280
B. Hardware Specifications and Default Values	282
Switch Specifications	282
Switch Features and Defaults	283

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Managing Device Security

179

GS716Tv3, GS724Tv4, and GS748Tv5 Smart Switches

RADIUS Configuration

RADIUS servers provide additional security for networks. The RADIUS server maintains a

user database, which contains per-user authentication information. The switch passes

information to the configured RADIUS server, which can authenticate a user name and

password before authorizing use of the network. RADIUS servers provide a centralized

authentication method for:

•

Web access

•

Port access control (802.1X)

The RADIUS menu contains links to the features described in the following sections.

•

Global Configuration

•

RADIUS Server Configuration

•

Accounting Server Configuration

Global Configuration

Use the Global Configuration screen to add information about one or more RADIUS servers

on the network.

Consideration to maximum delay time should be given when configuring RADIUS maximum

retransmit and RADIUS time-out. If multiple RADIUS servers are configured, the maximum

retransmit value on each will run out before the next server is attempted. A retransmit will not

occur until the configured time-out value on that server has passed without a response from

the RADIUS server. Therefore, the maximum delay in receiving a response from the RADIUS

application equals the product of retransmit × time-out for all configured servers. If the

RADIUS request was generated by a user login attempt, all user interfaces will be blocked

until the RADIUS application returns a response.



To configure global RADIUS server settings:

Select

Security

Management Security

RADIUS

Global Configuration.

The Current Server IP Address field is blank if no servers are configured (see

RADIUS

Server Configuration

on page 180). The switch supports up to three configured RADIUS

servers. If more than one RADIUS servers are configured, the current server is the server

configured as the primary server. If no servers are configured as the primary server, the

current server is the most recently added RADIUS server.

In the Max Number of Retransmits field, specify the value of the maximum number of times

a request packet is retransmitted to the RADIUS server.

In the Timeout Duration field, specify the time-out value, in seconds, for request

retransmissions.

From the Accounting Mode list, select whether the RADIUS accounting mode is enabled or

disabled on the current server.

Click the

Apply

button.