REFERENCE
Configuring EtherChannels and Link-State Tracking
MEMO
Switch(config)#interface range gigabitEthernet 1/0-1 Switch(config-if-range)#no switchport Switch(config-if-range)# Switch(config-if-range)# Switch(config-if-range)#channel-group ? <1-255> Channel group number auto Enable LACP auto on this interface Switch(config-if-range)# Switch(config-if-range)#channel-group 12 mode ? active Enable LACP unconditionally auto Enable PAgP only if a PAgP device is detected desirable Enable PAgP unconditionally on Enable Etherchannel only passive Enable LACP only if a LACP device is detected Switch(config-if-range)#
- channel-groupはno switchportの後に実施
SW3(config)#int range fa1/0/21 - 22
SW3(config-if-range)#channel-group 23 mode active
Creating a port-channel interface Port-channel 23
SW3(config-if-range)#
SW3(config-if-range)#no switchport
SW3(config-if-range)#
SW3(config-if-range)#int po 23
SW3(config-if)#ip add 192.168.0.3 255.255.255.0
^
% Invalid input detected at '^' marker.
SW3(config-if)#do show etherchannel sum
Flags: D - down P - bundled 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
M - not in use, minimum links not met
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
------+-------------+-----------+-----------------------------------------------
23 Po23(SD) -SW2(config)#int range fa1/0/21 - 22
SW2(config-if-range)#no switchport
SW2(config-if-range)#channel-group 23 mode active
Creating a port-channel interface Port-channel 23
SW2(config-if-range)#
SW2(config-if-range)#int po 23
SW2(config-if)#ip add 192.168.0.2 255.255.255.0
SW2(config-if)#no shut
SW2(config-if)#
*Mar 1 00:05:51.910: %EC-5-L3DONTBNDL2: Fa1/0/22 suspended: LACP currently not enabled on the remote port.
*Mar 1 00:05:52.044: %EC-5-L3DONTBNDL2: Fa1/0/21 suspended: LACP currently not enabled on the remote port.
SW2(config-if)#do show etherchannel sum
Flags: D - down P - bundled 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
M - not in use, minimum links not met
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
------+-------------+-----------+-----------------------------------------------
23 Po23(RD) LACP Fa1/0/21(s) Fa1/0/22(s)
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