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Time Interval 5-600, Threshold 0-255000, Traffic Control Type, Traffic Trap Settings

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xStack® DES-3528/DES-3552 Series Layer 2 Stackable Fast Ethernet Managed Switch Web UI Reference Guide immediately. Time Interval (5-600) The Time Interval will set the time between Multicast and Broadcast packet counts sent from the Switch's chip to the Traffic Control function. These packet counts are the determining factor in deciding when incoming packets exceed the Threshold value. The Time Interval may be set between 5 and 600 seconds, with a default setting of 5 seconds. Threshold (0-255000) Traffic Control Type Specifies the maximum number of packets per second that will trigger the Traffic Control function to commence. The configurable threshold range is from 0-255000 with a default setting of 131072 packets per second. Specifies the desired Storm Control Type: None, Broadcast, Multicast, Unknown Unicast, Broadcast + Multicast, Broadcast + Unknown Unicast, Multicast + Unknown Unicast, and Broadcast + Multicast + Unknown Unicast. Traffic Trap Settings Enable sending of Storm Trap messages when the type of action taken by the Traffic Control function in handling a Traffic Storm is one of the following: None - Will send no Storm trap warning messages regardless of action taken by the Traffic Control mechanism. Storm Occurred - Will send Storm Trap warning messages upon the occurrence of a Traffic Storm only. Storm Cleared - Will send Storm Trap messages when a Traffic Storm has been cleared by the Switch only. Both - Will send Storm Trap messages when a Traffic Storm has been both detected and cleared by the Switch. This function cannot be implemented in the hardware mode. (When Drop is chosen for the Action parameter) Traffic Log Settings Use the drop-down menu to enable or disable traffic log. Traffic Auto Recover Time (0-65535) Enter a time for traffic auto recovery. Click the Apply button to accept the changes made for each individual section. NOTE: Traffic Control cannot be implemented on ports that are set for Link Aggregation (Port Trunking). NOTE: Ports that are in the Shutdown mode will be seen as Discarding in Spanning Tree windows and implementations though these ports will still be forwarding BPDUs to the Switch's CPU. NOTE: Ports that are in Shutdown Forever mode will be seen as link down in all windows and screens until the user recovers these ports. NOTE: The minimum granularity of storm control on a GE port is 1pps. 154

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

Match case Limit results 1 per page

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

immediately.

Time Interval (5-600)

The Time Interval will set the time between Multicast and Broadcast packet counts sent

from the Switch’s chip to the Traffic Control function. These packet counts are the

determining factor in deciding when incoming packets exceed the Threshold value.

The Time Interval may be set between

and

600

seconds, with a default setting of

seconds.

Threshold (0-255000)

Specifies the maximum number of packets per second that will trigger the Traffic

Control function to commence. The configurable threshold range is from

0-255000

with

a default setting of

131072

packets per second.

Traffic Control Type

Specifies the desired Storm Control Type:

None

Broadcast

Multicast

Unknown

Unicast

Broadcast + Multicast

Broadcast + Unknown Unicast

Multicast + Unknown

Unicast

, and

Broadcast + Multicast + Unknown Unicast

Traffic Trap Settings

Enable sending of Storm Trap messages when the type of action taken by the Traffic

Control function in handling a Traffic Storm is one of the following:

None

– Will send no Storm trap warning messages regardless of action taken by the

Traffic Control mechanism.

Storm Occurred

– Will send Storm Trap warning messages upon the occurrence of a

Traffic Storm only.

Storm Cleared

– Will send Storm Trap messages when a Traffic Storm has been

cleared by the Switch only.

Both

– Will send Storm Trap messages when a Traffic Storm has been both detected

and cleared by the Switch.

This function cannot be implemented in the hardware mode. (When

Drop

is chosen for

the Action parameter)

Traffic Log Settings

Use the drop-down menu to enable or disable traffic log.

Traffic Auto Recover

Time (0-65535)

Enter a time for traffic auto recovery.

Click the

Apply

button to accept the changes made for each individual section.

NOTE:

Traffic Control cannot be implemented on ports that are set for Link Aggregation (Port Trunking).

NOTE:

Ports that are in the Shutdown mode will be seen as Discarding in Spanning Tree windows and

implementations though these ports will still be forwarding BPDUs to the Switch’s CPU.

NOTE:

Ports that are in Shutdown Forever mode will be seen as link down in all windows and screens

until the user recovers these ports.

NOTE:

The minimum granularity of storm control on a GE port is 1pps.

154