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Merion Mertics , ,

CRM

4

EtherChannels. EtherChannels - .

:

  1. Cisco
  2. STP (Spanning tree protocol)

Case #1

. , etherchannel FastEthernet 0/13 0/14,

, . .

port-channel interface

, port-channel interface , .

show etherchannel summary

EtherChannel. show etherchannel summary, port-channels. , A LACP B PAgP, .

show etherchannel detail

show etherchannel detail. , , LACP . "" EtherChannel. LACP.

show etherchannel detail B. , PAgP, desirable . , .

SwitchB(config)#no interface po1
SwitchB(config)#interface fa0/13
SwitchB(config-if)#channel-group 1 mode passive
SwitchB(config-if)#exit
SwitchB(config)#interface fa0/14
SwitchB(config-if)#channel-group 1 mode passive

port-channel interface. , channel-group mode .

port-channel1

, port-channel1 . !

: , EtherChannel .

Case #2

    etherchannel

! EtherChannel, :

port-channel interface

, port-channel interface , .

 FastEthernet 0/13  0/14

, FastEthernet 0/13 0/14 port-channel interface.

   etherchanne

FastEthernet , , . EtherChannel.

    PAgP     PAgP

, FastEthernet 0/13 0/14 A PAgP (- "A").

      PAgP       PAgP

FastEthernet 0/13 0/14 B PAgP. , PAgP.

SwitchB(config)#interface fa0/13
SwitchB(config-if)#channel-group 1 mode desirable
SwitchB(config-if)#interface fa0/14
SwitchB(config-if)#channel-group 1 mode desirable

, PAgP.

EtherChannel . !

: PAgP , , LACP , .

Case #3

 ,

: EtherChannel A B, , ... ?

port-channel interface

, port-channel interface .

show etherchannel detail show etherchannel detail

show etherchannel detail , , . , FastEthernet 0/13 0/14 port-channel, , FastEthernet 0/14 10 . , .

show

show. , , "show etherchannel detail" .

SwitchA(config)#interface fa0/14
SwitchA(config-if)#speed auto
SwitchB(config)#interface fa0/14
SwitchB(config-if)#speed auto

. , FastEthernet 0/13 0/14 .

, , up down.

     port-channel

, port-channel... !

: , , port-channel, !