Jumat, 20 Maret 2015

Etherchannel

Karena adanya fitur STP, maka akan ada port yang blocking untuk mencegah loop. Etherchannel digunakan untuk membundle link seolah-olah menjadi satu kabel, sehingga STP harus dimatikan. Dengan etherchannel maka transfer data lebih cepat dan tidak tergantung hanya pada 1 link.



#Konfigurasi L2 LaCP
SW1 dan SW2
int range fa0/1-3
channel-group 1 mode active
int port-channel 1
switchport mode trunk

cek:
show etherchannel summary
show interface port-channel 1

#Konfigurasi L2 PaCP
SW1 dan SW2
int range fa0/1-3
channel-group 1 mode desirable
int port-channel 1
switchport mode trunk

#Konfigurasi L 3
SW1 dan SW2
int range fa0/1-3
channel-group 1 mode on
no switch port

SW1
int port-channel 1
no switch port
ip add 10.10.10.1 255.255.255.0

SW2
int port-channel 1
no switch port
ip add 10.10.10.2 255.255.255.0

Switch#show etherchannel summary 
Flags:  D - down        P - in port-channel
        I - stand-alone s - suspended
        H - Hot-standby (LACP only)
        R - Layer3      S - Layer2
        U - in use      f - failed to allocate aggregator
        u - unsuitable for bundling
        w - waiting to be aggregated
        d - default port


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) Fa0/3(P) 
Switch#

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