etherchannel

====== etherchannel =======
Etherchannel 의 mode 설정방법
  LACP (IEEE)  802.3ad
  PAGP (CISCO)

  ON

 

LACP config

# interface range fa0/23 - 24
  # channel-protocol lacp
  # channel-group 1 mode  (active, passive)

 

PAgP config

# interface range fa0/23 - 24
  # channel-protocol pagp
  # channel-group 1 mode (desirable, auto)

 

ON config

# interface range fa0/23 - 24
   # channel-group 1 mode on

 

Verify
config)# show etherchannel 1 summary
config)# show interface port-channel 1

 

Delete ethchannel

config)# default interface range fa0/23 - 24
config)# no interface port-channel 1

 

======= L2 etherchannel =====

# interface range fa0/23 - 24
 # switchport trunke encapsulation isl
 # switchport mode trunk
 # channel-group 1 mode active

 

Verify

config)# show etherchannel 1 summary== (L2 Etherchannel)

Group  Port-channel  Protocol    Ports
------+-------------+-----------+-----------------------------------------------
1            Po1(SU)         LACP      Fa0/23(P)   Fa0/24(P) 

 

 

===== L3 etherchannel =====

# interface range fa0/23 - 24
  # no switchport (중요)
  # channel-group 1 mode active
 
# interface port-channel 1
  # ip address 10.1.12.1 255.255.255.0

 

# ip routing
# router eigrp 109
  # network 10.1.12.0 0.0.0.255

 

Verify

config)# show etherchannel 1 summary== (L3 Etherchannel)

Group  Port-channel  Protocol    Ports
------+-------------+-----------+-----------------------------------------------
1              Po1(RU)         LACP      Fa0/23(P)   Fa0/24(P)  

 

 

======= port-channel load-balance =======

config)# port-channel load-balance ?

                                                            dst-ip       Dst IP Addr
                                                            dst-mac      Dst Mac Addr
                                                            src-dst-ip   Src XOR Dst IP Addr
                                                            src-dst-mac  Src XOR Dst Mac Addr
                                                            src-ip       Src IP Addr
                                                            src-mac      Src Mac Addr

 

Verify

# show etherchannel ?

  brief                 Brief information
  detail               Detail information
  load-balance  Load-balance/frame-distribution scheme among ports in
                           port-channel
  port                  Port information
  port-channel    Port-channel information
  summary         One-line summary per channel-group