链路聚合笔记
作者：互联网
链路聚合
在ARG3系列路由器和X7系列交换机上默认最多8条。
负载均衡
手工分摊
静态LACP（支持链路备份）
[LSW1]interface Eth-Trunk 1
[LSW1-Eth-Trunk1]mode manual load-balance
[LSW1]interface GigabitEthernet 0/0/2
[LSW1-GigabitEthernet0/0/2]eth-trunk 1
[LSW1]interface GigabitEthernet 0/0/3
[LSW1-GigabitEthernet0/0/3]eth-trunk 1
[LSW1]display eth-trunk 1
Eth-Trunk1's state information is:
WorkingMode: NORMAL Hash arithmetic: According to SIP-XOR-DIP
Least Active-linknumber: 1 Max Bandwidth-affected-linknumber: 8
Operate status: up Number Of Up Port In Trunk: 2
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PortName Status Weight
GigabitEthernet0/0/2 Up 1
GigabitEthernet0/0/3 Up 1
[LSW2]interface Eth-Trunk 1
[LSW2-Eth-Trunk1]mode manual load-balance
[LSW2]interface GigabitEthernet 0/0/2
[LSW2-GigabitEthernet0/0/2]eth-trunk 1
[LSW2]interface GigabitEthernet 0/0/3
[LSW2-GigabitEthernet0/0/3]eth-trunk 1
[LSW2]display eth-trunk 1
Eth-Trunk1's state information is:
WorkingMode: NORMAL Hash arithmetic: According to SIP-XOR-DIP
Least Active-linknumber: 1 Max Bandwidth-affected-linknumber: 8
Operate status: up Number Of Up Port In Trunk: 2
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PortName Status Weight
GigabitEthernet0/0/2 Up 1
GigabitEthernet0/0/3 Up 1
[LSW1]interface Eth-Trunk 1
[LSW1-Eth-Trunk1]port link-type trunk
[LSW1-Eth-Trunk1]port trunk allow-pass vlan all
[LSW2]interface Eth-Trunk 1
[LSW2-Eth-Trunk1]port link-type trunk
[LSW2-Eth-Trunk1]port trunk allow-pass vlan all
[LSW1]display interface Eth-Trunk 1
Eth-Trunk1 current state : UP
Line protocol current state : UP
Description:
Switch Port, PVID : 1, Hash arithmetic : According to SIP-XOR-DIP,Maximal BW:
2G, Current BW: 2G, The Maximum Frame Length is 9216
IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 4c1f-cc55-5c26
Current system time: 2020-08-24 20:58:39-08:00
Input bandwidth utilization : 0%
Output bandwidth utilization : 0%
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PortName Status Weight
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GigabitEthernet0/0/2 UP 1
GigabitEthernet0/0/3 UP 1
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The Number of Ports in Trunk : 2
The Number of UP Ports in Trunk : 2
LACP静态
[LSW3]interface Eth-Trunk 1
[LSW3-Eth-Trunk1]mode lacp-static
interface GigabitEthernet 0/0/2
eth-trunk 1
interface GigabitEthernet 0/0/3
eth-trunk 1
interface GigabitEthernet 0/0/4
eth-trunk 1
[LSW4]interface Eth-Trunk 1
[LSW4-Eth-Trunk1]mode lacp-static
interface GigabitEthernet 0/0/2
eth-trunk 1
interface GigabitEthernet 0/0/3
eth-trunk 1
interface GigabitEthernet 0/0/4
eth-trunk 1
[LSW3]display eth-trunk 1
Eth-Trunk1's state information is:
Local:
LAG ID: 1 WorkingMode: STATIC
Preempt Delay: Disabled Hash arithmetic: According to SIP-XOR-DIP
System Priority: 32768 System ID: 4c1f-cce9-4dc2
Least Active-linknumber: 1 Max Active-linknumber: 8
Operate status: up Number Of Up Port In Trunk: 3
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ActorPortName Status PortType PortPri PortNo PortKey PortState Weight
GigabitEthernet0/0/2 Selected 1GE 32768 3 305 10111100 1
GigabitEthernet0/0/3 Selected 1GE 32768 4 305 10111100 1
GigabitEthernet0/0/4 Selected 1GE 32768 5 305 10111100 1
Partner:
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ActorPortName SysPri SystemID PortPri PortNo PortKey PortState
GigabitEthernet0/0/2 32768 4c1f-cc57-54b2 32768 3 305 10111100
GigabitEthernet0/0/3 32768 4c1f-cc57-54b2 32768 4 305 10111100
GigabitEthernet0/0/4 32768 4c1f-cc57-54b2 32768 5 305 10111100
系统优先级默认32768
值越小优先级越高，使用优先级选择活动端口
端口状态默认都是活动（selected）状态
[LSW3]lacp priority 100
[LSW3]display eth-trunk 1
Eth-Trunk1's state information is:
Local:
LAG ID: 1 WorkingMode: STATIC
Preempt Delay: Disabled Hash arithmetic: According to SIP-XOR-DIP
System Priority: 100 System ID: 4c1f-cce9-4dc2
Least Active-linknumber: 1 Max Active-linknumber: 8
Operate status: up Number Of Up Port In Trunk: 3
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ActorPortName Status PortType PortPri PortNo PortKey PortState Weight
GigabitEthernet0/0/2 Selected 1GE 32768 3 305 10111100 1
GigabitEthernet0/0/3 Selected 1GE 32768 4 305 10111100 1
GigabitEthernet0/0/4 Selected 1GE 32768 5 305 10111100 1
Partner:
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ActorPortName SysPri SystemID PortPri PortNo PortKey PortState
GigabitEthernet0/0/2 32768 4c1f-cc57-54b2 32768 3 305 10111100
GigabitEthernet0/0/3 32768 4c1f-cc57-54b2 32768 4 305 10111100
GigabitEthernet0/0/4 32768 4c1f-cc57-54b2 32768 5 305 10111100
调整链路最大条数
[LSW3]interface Eth-Trunk 1
[LSW3-Eth-Trunk1]max active-linknumber 2
[LSW3-Eth-Trunk1]display eth-trunk 1
Eth-Trunk1's state information is:
Local:
LAG ID: 1 WorkingMode: STATIC
Preempt Delay: Disabled Hash arithmetic: According to SIP-XOR-DIP
System Priority: 100 System ID: 4c1f-cce9-4dc2
Least Active-linknumber: 1 Max Active-linknumber: 2
Operate status: up Number Of Up Port In Trunk: 2
--------------------------------------------------------------------------------
ActorPortName Status PortType PortPri PortNo PortKey PortState Weight
GigabitEthernet0/0/2 Selected 1GE 32768 3 305 10111100 1
GigabitEthernet0/0/3 Selected 1GE 32768 4 305 10111100 1
GigabitEthernet0/0/4 Unselect 1GE 32768 5 305 10100000 1 （超过2条）
Partner:
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ActorPortName SysPri SystemID PortPri PortNo PortKey PortState
GigabitEthernet0/0/2 32768 4c1f-cc57-54b2 32768 3 305 10111100
GigabitEthernet0/0/3 32768 4c1f-cc57-54b2 32768 4 305 10111100
GigabitEthernet0/0/4 32768 4c1f-cc57-54b2 32768 5 305 10110000
[LSW3]interface GigabitEthernet 0/0/2
[LSW3-GigabitEthernet0/0/2]lacp priority 100
[LSW3]interface GigabitEthernet 0/0/3
[LSW3-GigabitEthernet0/0/3]lacp priority 65535
[LSW3-GigabitEthernet0/0/3]标签：32768,聚合,trunk,GigabitEthernet0,305,笔记,链路,interface,Eth 来源： https://blog.51cto.com/14015577/2523707