CHAPTER 30 EtherChannel Catalyst 3750 2 3 EtherChannel EtherChannel EtherChannel EtherChannel EtherChannel EtherChannel EtherChannel p.30-2 EtherChannel p.30-11 EtherChannel PAgP LACP p.30-23 Catalyst 3750 30-1
EtherChannel 30 EtherChannel EtherChannel EtherChannel EtherChannel p.30-2 p.30-4 PAgP p.30-5 LACP p.30-7 p.30-8 EtherChannel p.30-10 EtherChannel EtherChannel 30-1 30-1 EtherChannel 86481 EtherChannel 800 Mbps Fast EtherChannel 8Gbps Gigabit EtherChannel EtherChannel 8 EtherChannel 2 3 Catalyst 3750 EtherChannel 12 EtherChannel p.30-12 EtherChannel 3 no switchport 3 11 30-2 Catalyst 3750
30 EtherChannel EtherChannel EtherChannel EtherChannel 30-2 30-3 EtherChannel EtherChannel EtherChannel EtherChannel 1 EtherChannel 30-2 EtherChannel 30-3 EtherChannel 86493 86492 Catalyst 3750 30-3
RPS 1X 2X 15X 17X 16X 18X 31X 33X 32X 34X 47X 48X 1 2 EtherChannel 30 EtherChannel EtherChannel 2 channel-group interface port-channel port-channel-number channel-group channel-group-number channel-group-number port-channel-number channel-group 3 interface port-channel no switchport channel-group EtherChannel 2 3 channel-group 30-4 EtherChannel 1 12 channel-group 30-4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 SYST MASTR STAT DUPLX 17 18 19 20 21 22 23 24 25 26 27 28 29 30 MODE SPEED STACK 15 16 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Catalyst 3750 SERIES 86679 3 4 EtherChannel EtherChannel 2 EtherChannel 30-4 Catalyst 3750
30 EtherChannel EtherChannel PAgP Port Aggregation Protocol PAgP; PAgP PAgP PAgP EtherChannel PAgP EtherChannel EtherChannel PAgP EtherChannel p.30-12 PAgP PAgP VLAN VLAN PAgP EtherChannel PAgP PAgP 30-1 channel-group EtherChannel PAgP 30-1 EtherChannel PAgP auto PAgP PAgP PAgP desirable PAgP on PAgP Link Aggregation Control Protocol [LACP] on on on EtherChannel EtherChannel EtherChannel auto desirable PAgP on PAgP auto desirable EtherChannel 2 EtherChannel VLAN Catalyst 3750 30-5
EtherChannel 30 EtherChannel PAgP EtherChannel desirable desirable auto EtherChannel auto desirable EtherChannel auto auto EtherChannel PAgP on on on on PAgP non-silent auto desirable non-silent PAgP PAgP PAgP PAgP Dynamic Trunking Protocol DTP Cisco Discovery Protocol CDP EtherChannel VLAN PAgP Protocol Data Unit PDU; 2 EtherChannel EtherChannel MAC 1 EtherChannel MAC 3 EtherChannel interface port-channel MAC PAgP auto desirable PAgP PAgP PDU 30-6 Catalyst 3750
30 EtherChannel EtherChannel LACP LACP IEEE 802.3ad 802.3ad LACP LACP EtherChannel LACP EtherChannel EtherChannel LACP EtherChannel p.30-12 LACP LACP VLAN VLAN EtherChannel LACP LACP 30-2 channel-group EtherChannel LACP 30-2 EtherChannel LACP active LACP passive LACP LACP LACP on PAgP LACP on on on EtherChannel EtherChannel EtherChannel active passive LACP EtherChannel 2 EtherChannel VLAN LACP EtherChannel active active passive EtherChannel passive passive EtherChannel LACP Catalyst 3750 30-7
EtherChannel 30 EtherChannel LACP DTP CDP EtherChannel VLAN LACP PDU 2 EtherChannel EtherChannel MAC 1 EtherChannel MAC 3 EtherChannel interface port-channel MAC LACP active passive LACP LACP PDU EtherChannel 1 EtherChannel MAC IP EtherChannel port-channel load-balance MAC EtherChannel MAC MAC EtherChannel MAC / MAC EtherChannel MAC MAC MAC MAC MAC / MAC A B A C C B IP EtherChannel IP EtherChannel IP IP IP EtherChannel IP EtherChannel IP IP IP IP 30-8 Catalyst 3750
30 EtherChannel EtherChannel / IP EtherChannel IP EtherChannel IP IP IP IP IP A IP B IP A IP C IP C IP B 30-5 4 EtherChannel MAC EtherChannel EtherChannel MAC MAC IP 30-5 86482 Catalyst 3750 30-9
EtherChannel 30 EtherChannel EtherChannel EtherChannel EtherChannel EtherChannel EtherChannel EtherChannel 2 PAgP LACP PAgP LACP EtherChannel EtherChannel PAgP LACP 5 30-10 Catalyst 3750
30 EtherChannel EtherChannel EtherChannel 2 3 EtherChannel EtherChannel p.30-11 EtherChannel p.30-12 2 EtherChannel p.30-13 3 EtherChannel p.30-15 EtherChannel p.30-18 PAgP p.30-19 LACP p.30-20 EtherChannel p.30-12 EtherChannel EtherChannel 30-3 EtherChannel 30-3 EtherChannel PAgP PAgP PAgP 128 LACP LACP LACP LACP 32768 LACP ID 32768 LACP MAC MAC Catalyst 3750 30-11
EtherChannel 30 EtherChannel EtherChannel EtherChannel EtherChannel Catalyst 3750 12 EtherChannel 8 PAgP EtherChannel 16 LACP EtherChannel 8 LACP EtherChannel 16 EtherChannel EtherChannel shutdown EtherChannel EtherChannel VLAN VLAN VLAN PortFast EtherChannel Etherchannel PAgP LACP PAgP LACP EtherChannel EtherChannel PAgP LACP EtherChannel Switched Port Analyzer SPAN; EtherChannel EtherChannel 802.1x EtherChannel 802.1x EtherChannel 2 EtherChannel EtherChannel VLAN VLAN EtherChannel EtherChannel ISL 802.1Q EtherChannel EtherChannel VLAN 2 EtherChannel VLAN PAgP auto desirable EtherChannel 30-12 Catalyst 3750
30 EtherChannel EtherChannel EtherChannel EtherChannel 3 EtherChannel 3 EtherChannel channel-group channel-group-number mode on EtherChannel PAgP LACP EtherChannel PAgP LACP EtherChannel PAgP LACP EtherChannel EtherChannel 2 EtherChannel 2 EtherChannel channel-group auto desirable PAgP channel-group channel-group-number mode on on EtherChannel PAgP EtherChannel active passive LACP channel-group channel-group-number mode on on EtherChannel LACP EtherChannel 2 EtherChannel 2 EXEC 1 configure terminal 2 interface interface-id PAgP EtherChannel 8 LACP EtherChannel 16 8 LACP EtherChannel 16 Catalyst 3750 30-13
EtherChannel 30 EtherChannel 3 switchport mode {access trunk} switchport access vlan vlan-id 4 channel-group channel-group-number mode {auto [non-silent] desirable [non-silent] on} {active passive} VLAN 1 VLAN 1 4094 PAgP LACP channel-group-number 1 12 mode auto PAgP PAgP PAgP PAgP desirable PAgP PAgP on PAgP LACP on on on EtherChannel EtherChannel EtherChannel non-silent PAgP auto desirable non-silent PAgP active LACP LACP LACP passive LACP LACP PAgP p.30-5 LACP p.30-7 5 end EXEC 6 show running-config 7 copy running-config startup-config 30-14 Catalyst 3750
30 EtherChannel EtherChannel EtherChannel no channel-group 1 EtherChannel 2 GigabitEthernet 0/3 0/4 VLAN 10 PAgP desirable 5 Switch# configure terminal Switch(config)# interface range gigabitethernet2/0/3-4 Switch(config-if-range)# switchport mode access Switch(config-if-range)# switchport access vlan 10 Switch(config-if-range)# channel-group 5 mode desirable non-silent Switch(config-if-range)# end 1 EtherChannel 2 GigabitEthernet 0/3 0/4 VLAN 10 LACP active 5 Switch# configure terminal Switch(config)# interface range gigabitethernet2/0/3-4 Switch(config-if-range)# switchport mode access Switch(config-if-range)# switchport access vlan 10 Switch(config-if-range)# channel-group 5 mode active Switch(config-if-range)# end EtherChannel 2 GigabitEthernet 0/3 0/4 3 GigabitEthernet 0/3 VLAN 10 PAgP LACP on 5 Switch# configure terminal Switch(config)# interface range gigabitethernet2/0/3-4 Switch(config-if-range)# switchport mode access Switch(config-if-range)# switchport access vlan 10 Switch(config-if-range)# channel-group 5 mode on Switch(config-if-range)# exit Switch(config)# interface gigabitethernet3/0/3 Switch(config-if)# switchport mode access Switch(config-if)# switchport access vlan 10 Switch(config-if)# channel-group 5 mode on Switch(config-if)# exit 3 EtherChannel 3 EtherChannel 3 EtherChannel interface port-channel channel-group EtherChannel IP IP IP Catalyst 3750 30-15
EtherChannel 30 EtherChannel 3 EtherChannel EXEC 1 configure terminal 2 interface port-channel port-channel-number port-channel-number 1 12 3 no switchport 3 4 ip address ip-address mask EtherChannel IP 5 end EXEC 6 show etherchannel channel-group-number detail 7 copy running-config startup-config 8 3 EtherChannel p.30-16 no interface port-channel port-channel-number 5 IP 172.10.20.10 Switch# configure terminal Switch(config)# interface port-channel 5 Switch(config-if)# no switchport Switch(config-if)# ip address 172.10.20.10 255.255.255.0 Switch(config-if)# end 3 EtherChannel EXEC 1 configure terminal 2 interface interface-id PAgP EtherChannel 8 LACP EtherChannel 16 8 LACP EtherChannel 16 30-16 Catalyst 3750
30 EtherChannel EtherChannel 3 no ip address IP 4 no switchport 3 5 channel-group channel-group-number mode {auto [non-silent] desirable [non-silent] on} {active passive} PAgP LACP channel-group-number 1 12 p.30-15 port-channel-number mode auto PAgP PAgP PAgP PAgP desirable PAgP PAgP on PAgP LACP on on on EtherChannel EtherChannel EtherChannel non-silent PAgP auto desirable non-silent PAgP active LACP LACP LACP passive LACP LACP PAgP p.30-5 LACP p.30-7 6 end EXEC 7 show running-config 8 copy running-config startup-config Catalyst 3750 30-17
EtherChannel 30 EtherChannel 1 EtherChannel 2 GigabitEthernet 0/3 0/4 LACP active 5 Switch# configure terminal Switch(config)# interface range gigabitethernet2/0/3-4 Switch(config-if-range)# no ip address Switch(config-if-range)# no switchport Switch(config-if-range)# channel-group 5 mode active Switch(config-if-range)# end EtherChannel 2 GigabitEthernet 0/3 0/4 3 GigabitEthernet 0/3 PAgP LACP on 5 Switch# configure terminal Switch(config)# interface range gigabitethernet2/0/3-4 Switch(config-if-range)# no ip address Switch(config-if-range)# no switchport Switch(config-if-range)# channel-group 5 mode on Switch(config-if-range)# exit Switch(config)# interface gigabitethernet3/0/3 Switch(config-if)# no ip address Switch(config-if-range)# no switchport Switch(config-if)# channel-group 5 mode on Switch(config-if)# exit EtherChannel EtherChannel p.30-8 EtherChannel EXEC 1 configure terminal 2 port-channel load-balance {dst-ip dst-mac src-dst-ip src-dst-mac src-ip src-mac} EtherChannel src-mac 1 dst-ip IP dst-mac MAC src-dst-ip / IP src-dst-mac / MAC src-ip IP src-mac MAC 3 end EXEC 30-18 Catalyst 3750
30 EtherChannel EtherChannel 4 show etherchannel load-balance 5 copy running-config startup-config EtherChannel no port-channel load-balance PAgP PAgP EtherChannel PAgP MAC 1 1 pagp port-priority physical-port CLI Catalyst 3750 pagp learn-method pagp port-priority Catalyst 1900 PAgP Catalyst 3750 Catalyst 1900 pagp learn-method physical-port Catalyst 3750 MAC port-channel load-balance src-mac EtherChannel Catalyst 1900 pagp learn-method PAgP EXEC Catalyst 3750 30-19
EtherChannel 30 EtherChannel 1 configure terminal 2 interface interface-id 3 pagp learn-method physical-port PAgP aggregation-port EtherChannel physical-port port-channel load-balance src-mac EtherChannel [p.30-18] 4 pagp port-priority priority priority 0 255 128 PAgP 5 end EXEC 6 show running-config show pagp channel-group-number internal 7 copy running-config startup-config no pagp port-priority no pagp learn-method LACP LACP LACP 16 LACP 8 1 EtherChannel 8 LACP LACP LACP ID LACP MAC LACP 30-20 Catalyst 3750
30 EtherChannel EtherChannel LACP LACP LACP p.30-21 LACP p.30-22 LACP lacp system-priority LACP EtherChannel LACP show etherchannel summary EXEC H LACP EXEC 1 configure terminal 2 lacp system-priority priority LACP priority 1 65535 32768 3 end EXEC 4 show running-config show lacp sys-id 5 copy running-config startup-config LACP no lacp system-priority Catalyst 3750 30-21
EtherChannel 30 EtherChannel LACP ID LACP EtherChannel show etherchannel summary EXEC H LACP EtherChannel LACP EXEC 1 configure terminal 2 interface interface-id 3 lacp port-priority priority LACP priority 1 65535 32768 LACP 4 end EXEC 5 show running-config show lacp [channel-group-number] internal 6 copy running-config startup-config LACP no lacp port-priority 30-22 Catalyst 3750
30 EtherChannel EtherChannel PAgP LACP EtherChannel PAgP LACP EtherChannel PAgP LACP 30-4 EXEC 30-4 EtherChannel PAgP LACP show etherchannel [channel-group-number {detail port port-channel protocol summary}] {detail load-balance port port-channel protocol summary} show pagp [channel-group-number] {counters internal neighbor} show lacp [channel-group-number] {counters internal neighbor} EtherChannel 1 PAgP PAgP LACP LACP PAgP clear pagp {channel-group-number counters counters} EXEC LACP clear lacp {channel-group-number counters counters} EXEC Catalyst 3750 30-23
EtherChannel PAgP LACP 30 EtherChannel 30-24 Catalyst 3750