Here is the configuration:
Current configuration : 154 bytes
!
interface Port-channel1
description TRUNK
switchport trunk allowed vlan 10,20
switchport mode trunk
end
interface GigabitEthernet1/0/47
description SW1
switchport trunk allowed vlan 10,20
switchport mode trunk
speed 1000
duplex full
channel-protocol lacp
channel-group 1 mode active
end
interface GigabitEthernet1/0/48
description SW1
switchport trunk allowed vlan 10,20
switchport mode trunk
speed 1000
duplex full
channel-protocol lacp
channel-group 1 mode active
end
I have verified and other side of switch has same configuration. i have matched them word to word.
Here is the etherchannel summary
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
1 Po1(SU) LACP Gi1/0/47(P) Gi1/0/48(s)
On switch port i have seen Amber light
In log i have seen:
Feb 28 22:39:45.558: %EC-5-L3DONTBNDL2: Gi1/0/48 suspended: LACP currently not enabled on the remote port.
etherchannel details:
#sh etherchannel 1 detail
Group state = L2
Ports: 2 Maxports = 16
Port-channels: 1 Max Port-channels = 16
Protocol: LACP
Minimum Links: 0
Ports in the group:
-------------------
Port: Gi1/0/47
------------
Port state = Up Mstr Assoc In-Bndl
Channel group = 1 Mode = Active Gcchange = -
Port-channel = Po1 GC = - Pseudo port-channel = Po1
Port index = 0 Load = 0x00 Protocol = LACP
Flags: S - Device is sending Slow LACPDUs F - Device is sending fast LACPDUs.
A - Device is in active mode. P - Device is in passive mode.
Local information:
LACP port Admin Oper Port Port
Port Flags State Priority Key Key Number State
Gi1/0/47 SA bndl 32768 0x1 0x1 0x130 0x3D
Partner's information:
LACP port Admin Oper Port Port
Port Flags Priority Dev ID Age key Key Number State
Gi1/0/47 SA 32768 6c99.8962.2900 0s 0x0 0x10 0x110 0x3D
Age of the port in the current state: 1d:17h:22m:19s
Port: Gi1/0/48
------------
Port state = Up Cnt-bndl-rmt Suspend Mstr Rmt-LACP_Dsbl Not-in-Bndl
Channel group = 1 Mode = Active Gcchange = -
Port-channel = null GC = - Pseudo port-channel = Po1
Port index = 0 Load = 0x00 Protocol = LACP
Flags: S - Device is sending Slow LACPDUs F - Device is sending fast LACPDUs.
A - Device is in active mode. P - Device is in passive mode.
Local information:
LACP port Admin Oper Port Port
Port Flags State Priority Key Key Number State
Gi1/0/48 SA susp 32768 0x1 0x1 0x131 0x7D
Age of the port in the current state: 0d:00h:28m:16s
Port-channels in the group:
---------------------------
Port-channel: Po1 (Primary Aggregator)
------------
Age of the Port-channel = 1d:17h:26m:42s
Logical slot/port = 9/1 Number of ports = 1
HotStandBy port = null
Port state = Port-channel Ag-Inuse
Protocol = LACP
Port security = Disabled
Ports in the Port-channel:
Index Load Port EC state No of bits
------+------+------+------------------+-----------
0 00 Gi1/0/47 Active 0
Time since last port bundled: 1d:17h:22m:19s Gi1/0/47
Otherside switch SW1
i am seeing this.
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
16 Po16(SU) LACP Gi1/0/14(D) Gi1/0/15(P)
interface status:
SW1#sh int Gi1/0/14
GigabitEthernet1/0/14 is down, line protocol is down (notconnect)
channel-group 1 mode on
to channel unconditionally. LACP is useful for setting up a channel to a server that needs LACP, but it adds complexity and overhead that you don't need to have on a switch-to-switch connection if both are Cisco switches.G1/0/48
, the interface on the other endG1/0/14
is not running LACP. Is it correct thatG1/0/48
on one switch is supposed to connect toG1/0/14
on the other switch?show cdp neighbor
say? TheG1/0/48
interface on one switch is obviously connecting to theG1/0/14
on the other switch. Is that correct?