Layer2 Etherchannel
다수의 물리적인 Link를 하나의 논리적인 Link로 만들어 대역폭 향상, Link 이중화(물리적인), Load Balancing의 이점을 얻을 수 있다.
셋팅
HQ_SE_GN_2F_SW1
interface FastEthernet0/1
channel-protocol lacp
channel-group 1 mode active
switchport mode trunk
!
interface FastEthernet0/2
channel-protocol lacp
channel-group 1 mode active
switchport mode trunk
HQ_SE_GN_2F_L3_1
interface FastEthernet0/1
channel-protocol lacp
channel-group 1 mode passive
switchport mode trunk
!
interface FastEthernet0/2
channel-protocol lacp
channel-group 1 mode passive
switchport mode trunk
HQ_SE_GN_2F_SW1
HQ_SE_GN_2F_SW1#show etherchannel summary
Number of channel-groups in use: 1
Number of aggregators: 1
Group Port-channel Protocol Ports
------+-------------+-----------+--------------
1 Po1(SU) LACP Fa0/1(P) Fa0/2(P)
HQ_SE_GN_2F_L3_1
HQ_SE_GN_2F_L3_1#show etherchannel summary
Number of channel-groups in use: 1
Number of aggregators: 1
Group Port-channel Protocol Ports
------+-------------+-----------+--------------
1 Po1(SU) LACP Fa0/1(P) Fa0/2(P)
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| Spanning Tree 902.1d (PVST) (0) | 2017.12.01 |