定义
链路聚合， 又称链路捆绑， eth-trunk
是一种将多个以太网接口捆绑成一条逻辑接口的捆绑技术作用
增加链路带宽， 同时提供链路冗余模式
手工负载分担模式
LACP模式二层聚合配置
R1:
[SW1]int Eth-Trunk 1
[SW1-GigabitEthernet0/0/2]eth-trunk 1
Info: This operation may take a few seconds. Please wait for a moment...done.
[SW1-GigabitEthernet0/0/2]display this
#
interface GigabitEthernet0/0/2
eth-trunk 1
#
return
[SW1-GigabitEthernet0/0/3]eth-trunk 1
Info: This operation may take a few seconds. Please wait for a moment...done.
[SW1-GigabitEthernet0/0/3]int gi0/0/4
[SW1-GigabitEthernet0/0/4]et
[SW1-GigabitEthernet0/0/4]eth-trunk 1
Info: This operation may take a few seconds. Please wait for a moment...done.
[SW1-GigabitEthernet0/0/4]int gi0/0/5
[SW1-GigabitEthernet0/0/5]eht
[SW1-GigabitEthernet0/0/5]eth
[SW1-GigabitEthernet0/0/5]eth-trunk 1
Info: This operation may take a few seconds. Please wait for a moment...done.
[SW1-GigabitEthernet0/0/5]查看R1配置结果:
[SW1]display eth-trunk
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: 4
--------------------------------------------------------------------------------
PortName Status Weight
GigabitEthernet0/0/2 Up 1
GigabitEthernet0/0/3 Up 1
GigabitEthernet0/0/4 Up 1
GigabitEthernet0/0/5 Up 1 R2:
[SW2]int Eth-Trunk 1
[SW2-Eth-Trunk1]trunkport gi0/0/2 to 0/0/3查看捆绑结果及阻塞状态
[SW2]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: 4
--------------------------------------------------------------------------------
PortName Status Weight
GigabitEthernet0/0/2 Up 1
GigabitEthernet0/0/3 Up 1
GigabitEthernet0/0/4 Up 1
GigabitEthernet0/0/5 Up 1
[SW2]dis
[SW2]display st
[SW2]display stp b
[SW2]display stp brief
MSTID Port Role STP State Protection
0 GigabitEthernet0/0/1 DESI FORWARDING NONE
0 Eth-Trunk1 DESI FORWARDING NONE接口下运行状态
[SW2]display interface brief
PHY: Physical
*down: administratively down
(l): loopback
(s): spoofing
(b): BFD down
(e): ETHOAM down
(dl): DLDP down
(d): Dampening Suppressed
InUti/OutUti: input utility/output utility
Interface PHY Protocol InUti OutUti inErrors outErrors
Eth-Trunk1 up up 0% 0% 0 0
GigabitEthernet0/0/2 up up 0% 0% 0 0
GigabitEthernet0/0/3 up up 0% 0% 0 0
GigabitEthernet0/0/4 up up 0% 0% 0 0
GigabitEthernet0/0/5 up up 0% 0% 0 0
GigabitEthernet0/0/1 up up 0% 0% 0 0
GigabitEthernet0/0/6 down down 0% 0% 0 0
GigabitEthernet0/0/7 down down 0% 0% 0 0
GigabitEthernet0/0/8 down down 0% 0% 0 0
GigabitEthernet0/0/9 down down 0% 0% 0 0
GigabitEthernet0/0/10 down down 0% 0% 0 0
GigabitEthernet0/0/11 down down 0% 0% 0 0
GigabitEthernet0/0/12 down down 0% 0% 0 0
GigabitEthernet0/0/13 down down 0% 0% 0 0
GigabitEthernet0/0/14 down down 0% 0% 0 0
GigabitEthernet0/0/15 down down 0% 0% 0 0
GigabitEthernet0/0/16 down down 0% 0% 0 0
GigabitEthernet0/0/17 down down 0% 0% 0 0
GigabitEthernet0/0/18 down down 0% 0% 0 0
GigabitEthernet0/0/19 down down 0% 0% 0 0
GigabitEthernet0/0/20 down down 0% 0% 0 0
GigabitEthernet0/0/21 down down 0% 0% 0 0
GigabitEthernet0/0/22 down down 0% 0% 0 0
GigabitEthernet0/0/23 down down 0% 0% 0 0聚合接口负载分担方式
[SW2-Eth-Trunk1]load-balance ?
dst-ip According to destination IP hash arithmetic
dst-mac According to destination MAC hash arithmetic
src-dst-ip According to source/destination IP hash arithmetic
src-dst-mac According to source/destination MAC hash arithmetic
src-ip According to source IP hash arithmetic
src-mac According to source MAC hash arithmetic
