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3-11. Trunking Configuration
The Port Trunking Configuration is used to configure the settings of Link
Aggregation. You can bundle more than one port with the same speed, full duplex
and the same MAC to be a single logical port, thus the logical port aggregates the
bandwidth of these ports. This means you can apply your current Ethernet
equipments to build the bandwidth aggregation. For example, if there are three
Fast Ethernet ports aggregated in a logical port, then this logical port has bandwidth
three times as high as a single Fast Ethernet port has.
The switch supports two kinds of port trunking methods:
LACP:
Ports using Link Aggregation Control Protocol (according to IEEE
802.3ad specification) as their trunking method can choose their unique
LACP GroupID (1~8) to form a logic “trunked port”. The benefit of using
LACP is that a port makes an agreement with its peer port before it
becomes a ready member of a “trunk group” (also called aggregator).
LACP is safer than the other trunking method - static trunk.
The switch LACP does not support the followings:
⎯ Link Aggregation across switches
⎯ Aggregation with non-IEEE 802.3 MAC link
⎯ Operating in half-duplex mode
⎯ Aggregate the ports with different data rates
Static Trunk:
Ports using Static Trunk as their trunk method can choose their unique
Static GroupID (also 1~8, this Static groupID can be the same with
another LACP groupID) to form a logic “trunked port”. The benefit of
using Static Trunk method is that a port can immediately become a
member of a trunk group without any handshaking with its peer port. This
is also a disadvantage because the peer ports of your static trunk group
may not know that they should be aggregate together to form a “logic
trunked port”. Using Static Trunk on both end of a link is strongly
recommended. Please also note that low speed links will stay in “not
ready” state when using static trunk to aggregate with high speed links.
As to system restrictions about the port aggregation function on the switch,
In the management point of view, the switch supports maximum 8 trunk groups
for LACP and additional 8 trunk groups for Static Trunk. But in the system
capability view, only 8 “real trunked” groups are supported. An LACP trunk group
with more than one ready member-ports is a “real trunked” group. An LACP trunk
group with only one or less than one ready member-ports is not a “real trunked”
group. Any Static trunk group is a “real trunked” group.
- L2 Plus Managed Switch 3
- Table of Contents 5
- Revision History 8
- Caution 9
- Electronic Emission Notices 9
- About this user’s manual 10
- 1. Introduction 11
- Key Features in the Device 12
- 1-2. Checklist 14
- 1-3. Features 14
- LED Color Function 17
- 2. Installation 19
- Fig. 2-2 21
- Table 2-3 28
- Ethernet LAN 29
- 2-1-5. IP Address Assignment 30
- 1 0000000 32
- 1 1111111 32
- Fig. 2-12 34
- 2-2. Typical Applications 35
- 3. Operation of 37
- Web-based Management 37
- Fig. 3-1 38
- Fig. 3-2 39
- 3-1-1. System Information 42
- Fig. 3-4 43
- 3-1-2. Account Configuration 44
- 3-1-3. Time Configuration 45
- Fig. 3-6 47
- 3-1-4. IP Configuration 48
- 3-1-5. Loop Detection 51
- 3-1-6. Management Policy 52
- Fig. 3-9 53
- Fig. 3-10 53
- 3-1-7. Virtual Stack 55
- Desc: 58
- 3-2-1. Port Configuration 60
- 3-2-2.Port Status 62
- Fig. 3-14 63
- 3-2-3. Simple Counter 65
- Auto-refresh: 66
- 3-2-4. Detail Counter 67
- “Clear” button 70
- 3-3. VLAN 71
- 3-3-2. Tag-based Group 72
- 3-3-3. Port-based Group 75
- Fig. 3-23 76
- 3-3-4. Ports 77
- Fig. 3-24 78
- 3-3-5. Management 79
- 3-4. MAC 80
- Fig. 3-26 81
- 3-4-2. Static Filter 82
- 3-4-3. Static Forward 83
- 3-4-4. MAC Alias 84
- 3-4-5. MAC Table 85
- 3-5. GVRP 86
- Fig. 3-31 88
- 3-5-2. Counter 89
- 3-5-3. Group 91
- 3-6-1. Ports 92
- Fig. 3-34 93
- 3-6-2. Qos Control List 94
- Fig. 3-42 97
- 3-6-3.Rate Limiters 100
- 3-6-4.Storm Control 102
- 3-6-5.Wizard 103
- Set up Port Policies Finish 105
- Fig. 3-51 106
- 3-7. SNMP Configuration 113
- 3-8. ACL 115
- Fig. 3-64 116
- 3-8-2.Rate Limiters 117
- 3-8-3.Access Control List 118
- Ingress Port 119
- Fig. 3-69 Frame Type 120
- Fig. 3-70 121
- Fig. 3-118 Rate Limiter 135
- Fig. 3-119 Port Copy 135
- 3-8-4.Wizard 147
- Set up Port Policies 149
- Fig. 3-138 153
- 3-9. IP MAC Binding 156
- 3-10. 802.1X Configuration 158
- MAC Enable 159
- Port Authorize 159
- Fig. 3-54 160
- Table 3-3 162
- 3-10-1.Server 163
- ForceUnauthorized: 165
- ForceAuthorized: 165
- 3-10-3.Status 167
- Fig. 3-145 802.1X Status 168
- 3-10-4. Statistics 169
- 3-11. Trunking Configuration 170
- 3-11-1.Port 172
- 173
- Fig.3-147 Trunk Port Setting 173
- 3-11-2 Aggregator View 174
- 3-11-3 ACP System Priority 175
- 3-12 STP Configuration 176
- Fig. 3-150 STP Status 177
- 3-12-2. Configuration 178
- 3-13-1 Status 183
- 3-13-2 Region Config 184
- Fig. 3-156 185
- Fig. 3-157 185
- Fig. 3-158 185
- Fig. 3-159 185
- Fig. 3-160 185
- Fig. 3-156 Edit MSTI / Vlan 186
- Fig. 3-157 Instance Config 187
- Fig. 3-158 Port Config 188
- Fig. 3-159 Instance Status 189
- Fig. 3-160 Port Status 191
- 3-14. Mirror 193
- 3-15. IGMP Snooping 195
- 3-15-2 Group Membership 197
- Fig.3-61 198
- 3-16-1 Events 199
- 3-17-1. DHCP Snooping State 201
- 3-17-2. DHCP Snooping Entry 202
- 3-17-3. DHCP Snooping Client 203
- 3-18. Configuration 204
- 3-18-1. Factory Defaults 205
- 3-18-2 . Save Start 205
- 3-18-3 . Save User 205
- 3-18-4 . Restore User 206
- 3-19. Config File 207
- 3-20. Diagnostics 208
- 3-20-2 .Ping 209
- 3-20-2 .VeriPHY 210
- 3-21 Maintenance 211
- 3-22 Logout 212
- 4. Operation of CLI 213
- Management 213
- LGB1005A-R2 214
- 4-2. Commands of CLI 215
- 802.1X 222
- account 227
- alarm 233
- autologout 238
- config-file 239
- firmware 239
- hostname 244
- ip_mac_binding 248
- loop-detection 249
- <<alias>> 251
- <<mac-table>> 253
- <<maintenance>> 254
- <<static-mac>> 257
- mirror 259
- per port restricted role 265
- policy 270
- <<ports>> 280
- <<qcl>> 281
- <<rate>> 283
- reboot 285
- <<disable>> 286
- <<enable>> 286
- <<set>> 286
- system 293
- traplog 294
- trunk 297
- 5. Maintenance 306
- Appendix A 307
- Technical Specifications 307
- Hardware Specifications 308
- Appendix B 311
- Null Modem Cable 311
- Specifications 311
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