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Link Aggregation Commands
4-125
4
Example
Link Aggregation Commands
Ports can be statically grouped into an aggregate link (i.e., trunk) to increase the
bandwidth of a network connection or to ensure fault recovery. Or you can use the
Link Aggregation Control Protocol (LACP) to automatically negotiate a trunk link
between this switch and another network device. For static trunks, the switches have
to comply with the Cisco EtherChannel standard. For dynamic trunks, the switches
have to comply with LACP. This switch supports up to six trunks. For example, a
trunk consisting of two 1000 Mbps ports can support an aggregate bandwidth of
4 Gbps when operating at full duplex.
Guidelines for Creating Trunks
• General Guidelines –
• Finish configuring port trunks before you connect the corresponding network
cables between switches to avoid creating a loop.
• A trunk can have up to 8 ports.
• The ports at both ends of a connection must be configured as trunk ports.
• All ports in a trunk must be configured in an identical manner, including
Console(config)#interface ethernet 1/1
Console(config-if)#rate-limit input 600
Console(config-if)#
Table 4-47. Link Aggregation Commands
Command
Function
Mode
Page
Manual Configuration Commands
interface port-channel
Configures a trunk and enters
interface configuration mode for the
trunk
GC
4-111
channel-group
Adds a port to a trunk
IC (Ethernet)
4-126
Dynamic Configuration Commands
lacp
Configures LACP for the current
interface
IC (Ethernet)
4-127
lacp system-priority
Configures a port's LACP system
priority
IC (Ethernet)
4-128
lacp admin-key
Configures a port's administration key IC (Ethernet)
4-129
lacp admin-key
Configures a port channel’s
administration key
IC (Port Channel)
4-130
lacp port-priority
Configures a port's LACP port priority IC (Ethernet)
4-131
Trunk Status Display Commands
show interfaces status
port-channel
Shows trunk information
NE, PE
4-117
show lacp
Shows LACP information
PE
4-131
Summary of Contents for 8124PL2
Page 1: ...MANAGEMENT GUIDE TigerSwitchTM 10 100 1000 24 Port Managed Switch with PoE SMC8124PL2 ...
Page 2: ......
Page 20: ...xvi Contents ...
Page 27: ...xxiii Figures ...
Page 35: ...Introduction 1 8 1 ...
Page 45: ...Initial Configuration 2 10 2 ...
Page 148: ...Port Configuration 3 103 Figure 3 61 Displaying Etherlike and RMON Statistics ...
Page 473: ...Command Line Interface 4 240 4 ...
Page 477: ...Software Specifications A 4 A ...
Page 489: ...Index Index 4 menu list 3 3 panel display 3 3 ...
Page 490: ......