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C
HAPTER
1
| Introduction
Description of Software Features
– 19 –
PORT TRUNKING Ports can be combined into an aggregate connection. Trunks can be
manually set up or dynamically configured using Link Aggregation Control
Protocol (LACP – IEEE 802.3-2005). The additional ports dramatically
increase the throughput across any connection, and provide redundancy by
taking over the load if a port in the trunk should fail. The switch supports
up to 8 trunks.
STORM CONTROL Broadcast, multicast and unknown unicast storm suppression prevents
traffic from overwhelming the network.When enabled on a port, the level of
broadcast traffic passing through the port is restricted. If broadcast traffic
rises above a pre-defined threshold, it will be throttled until the level falls
back beneath the threshold.
STATIC ADDRESSES A static address can be assigned to a specific interface on this switch.
Static addresses are bound to the assigned interface and will not be
moved. When a static address is seen on another interface, the address will
be ignored and will not be written to the address table. Static addresses
can be used to provide network security by restricting access for a known
host to a specific port.
IEEE 802.1D BRIDGE The switch supports IEEE 802.1D transparent bridging. The address table
facilitates data switching by learning addresses, and then filtering or
forwarding traffic based on this information. The address table supports up
to 16K addresses.
STORE-AND-FORWARD
SWITCHING
The switch copies each frame into its memory before forwarding them to
another port. This ensures that all frames are a standard Ethernet size and
have been verified for accuracy with the cyclic redundancy check (CRC).
This prevents bad frames from entering the network and wasting
bandwidth.
To avoid dropping frames on congested ports, the switch provides 448 KB
for frame buffering. This buffer can queue packets awaiting transmission
on congested networks.
SPANNING TREE
ALGORITHM
The switch supports these spanning tree protocols:
◆ Spanning Tree Protocol (STP, IEEE 802.1D) – Supported by using the
STP backward compatible mode provided by RSTP. STP provides loop
detection. When there are multiple physical paths between segments,
this protocol will choose a single path and disable all others to ensure
that only one route exists between any two stations on the network.
This prevents the creation of network loops. However, if the chosen
path should fail for any reason, an alternate path will be activated to
maintain the connection.
- Management Guide 1
- ECS4310-26T 1
- Gigabit Smart Switch 1
- ANAGEMENT 3
- ABOUT THIS GUIDE 5
- CONTENTS 7
- SECTION III APPENDICES 125 10
- – 11 – 11
- – 12 – 12
- – 13 – 13
- – 14 – 14
- GETTING STARTED 15
- 16
- 1 INTRODUCTION 17
- 18
- System Defaults 21
- Table 2: System Defaults 21
- INITIAL SWITCH CONFIGURATION 23
- Connecting to the Switch 24
- Figure 1: Login Page 24
- Figure 3: IP Settings Page 25
- Figure 4: User Accounts Page 26
- Changing a PC’s IP Address 27
- WEB CONFIGURATION 29
- 30
- 3 USING THE WEB INTERFACE 31
- 32
- Figure 5: Home Page 32
- Table 4: Main Menu 33
- 4 SYSTEM SETTINGS 37
- 38
- Displaying System Information 38
- Figure 7: System Information 38
- Setting a User Account 39
- Figure 8: System Password 39
- Setting an IP Address 40
- 5 PORT SETTINGS 45
- 46
- 6 LINK AGGREGATION 49
- 50
- Creating Trunk Groups 50
- CONFIGURING TRUNK SETTINGS 52
- Configuring Trunk Settings 53
- Configuring LACP 54
- 7 CREATING VLANS 57
- 58
- Assigning Ports to VLANs 58
- 8 VLAN STACKING 61
- 62
- VLAN Stacking Table 62
- VLAN Stacking Settings 63
- 9 IGMP SNOOPING 65
- 66
- Multicast Entry Table 66
- IGMP Snooping Setting 67
- 10 SPANNING TREE 71
- 72
- CONFIGURING STP PORT SETTINGS 75
- Configuring STP Port Settings 76
- Figure 23: STP Port Setting 78
- 11 QUALITY OF SERVICE 79
- 80
- Port-Based Priority 80
- DSCP-Based Priority 81
- Priority-to-Queue Mapping 82
- Table 9: CoS Priority Levels 83
- Packet Scheduling 84
- Figure 27: Packet Scheduling 85
- LINK LAYER DISCOVERY PROTOCOL 87
- Configuring LLDP 88
- Figure 28: LLDP Settings 88
- LLDP Neighbors 89
- Figure 29: LLDP Neighbors 90
- 13 SNMP SETTINGS 91
- 92
- Figure 30: SNMP Settings 93
- 14 PORT MIRRORING 95
- 96
- Figure 32: Port Mirroring 96
- 15 PORT SECURITY 97
- 98
- Figure 33: Port Security 98
- 16 BANDWIDTH CONTROL 99
- 100
- Figure 34: Bandwidth Control 100
- 17 JUMBO FRAME 101
- 102
- 18 MANAGEMENT ACCESS FILTER 103
- 104
- 19 MAC ADDRESS SECURITY 105
- 106
- Static MAC Addresses 106
- MAC ADDRESS FILTERING 107
- MAC Address Filtering 108
- 20 802.1X SECURITY 109
- 110
- 802.1X Global Settings 110
- 802.1X Port Settings 111
- Figure 40: 802.1X Setting 111
- WEB INTERFACE 112
- 21 GENERAL SECURITY SETTINGS 113
- Storm Control Setting 114
- Figure 42: IP Filter Setting 114
- Port Isolation 116
- Defence Engine 117
- 22 PORT STATISTICS 119
- 120
- Figure 46: Port Statistics 120
- 23 MANAGEMENT TOOLS 121
- 122
- Restoring Factory Defaults 122
- Figure 47: Software Upgrade 122
- Resetting the Switch 123
- Figure 49: Reboot Switch 123
- APPENDICES 125
- 126
- A SOFTWARE SPECIFICATIONS 127
- 128
- Management Features 128
- Management Information Bases 129
- B TROUBLESHOOTING 131
- 132
- GLOSSARY 133
- – 134 – 134
- – 135 – 135
- – 136 – 136
- DIUS is a logon 137
- – 138 – 138
- – 139 – 139
- – 140 – 140
- E072010-CS-R01 142
- 149100000083A 142
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