11-13-2024 04:16 AM
CoreSW#sh etherchannel 13 summary
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
A - formed by Auto LAG
Number of channel-groups in use: 13
Number of aggregators: 13
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
13 Po13(SU) LACP Gi1/0/26(s) Gi2/0/26(P)
CoreSW#ssh 10.xxx.xx.xx
Password:
PoESW-1#sh eth
PoESW-1#sh etherchannel su
PoESW-1#sh etherchannel summary
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
A - formed by Auto LAG
Number of channel-groups in use: 1
Number of aggregators: 1
Group Port-channel Protocol Ports
------+-------------+-----------+-----------------------------------------------
1 Po1(SU) LACP Gi1/0/47(s) Gi1/0/48(P)
In two swtich core sw and one Poe switch port channel issue.
11-13-2024 04:23 AM
many reason
1- speed/duplex mismatch
2- you misconnect the Cable
3- the PO is not config correctly
MHM
11-13-2024 08:28 PM
please elaborate the configuration
11-13-2024 08:37 PM
11-13-2024 09:13 PM
paste running configuration from both sides
Paste output for "show port-security interface GigabitEthernet1/0/26"
make sure you can see cdp neighbor on both ports
bounce the port and send output of debug port-channel trace
11-14-2024 03:17 AM
sh port-security int gi 1/0/26
Port Security : Disabled
Port Status : Secure-down
Violation Mode : Shutdown
Aging Time : 0 mins
Aging Type : Absolute
SecureStatic Address Aging : Disabled
Maximum MAC Addresses : 1
Total MAC Addresses : 0
Configured MAC Addresses : 0
Sticky MAC Addresses : 0
Last Source Address:Vlan : 0000.0000.0000:0
Security Violation Count : 0
11-13-2024 10:31 PM
share below
show lacp neighbor detail
show lacp internal
show lacp count
send as PM
MHM
11-14-2024 03:14 AM
show lacp neighbor detail
Channel group 13
LACP port Admin Oper Port Port
Port Flags State Priority Key Key Number State
Gi1/0/26 SA susp 32768 0xD 0x0 0x11B 0x4D
Gi2/0/26 SA bndl 32768 0xD 0xD 0x21B 0x3D
show lacp internal
Channel group 13
LACP port Admin Oper Port Port
Port Flags State Priority Key Key Number State
Gi1/0/26 SA susp 32768 0xD 0x0 0x11B 0x4D
Gi2/0/26 SA bndl 32768 0xD 0xD 0x21B 0x3D
lacp count
LACPDUs Marker Marker Response LACPDUs
Port Sent Recv Sent Recv Sent Recv Pkts Err
Channel group: 13
Gi1/0/26 0 55 0 0 0 0 0
Gi2/0/26 3002 3007 0 0 0 0 0
11-14-2024 03:53 AM
Gi1/0/26 0 55 0 0 0 0 0 <<- this is issue, the port is Recv not send LACP that why port go to Suspend
Gi2/0/26 3002 3007 0 0 0 0 0 <<- this healthy send Recv
11-15-2024 12:33 AM
Please help i am facing this issue a second time.
First time I raised the Cisco tag. they requested all the information and troubleshooted and resolved. if I follow the same steps I can't able to resolve. what will be cause of this issue need a clear explaination.
LACP is simple concept. instead of trunk im using LACP. but still i can't able to resolve this issue.
please help me to clear this issue.
11-16-2024 03:17 AM
01001101 <<- 0X4D <<- this not normal check the lacp config, did you use any lacp not default, or peer use any un default LACP config ???
10110010 <<- flip bits
1=active
0 = long timeout
1= agg
1= In Sync
0=Collecting NO
0= Distribute NO
1= Defaulted
0= Expire
00111101 <<- 0x3D (normal Port Flag are 0x3D and 0x3F)
10111100 <<- flip bits
1=active
0 = long timeout
1= agg
1= In Sync
1=Collecting Yes
1= Distribute Yes
0= Defaulted NO
1= Expire
11-14-2024 12:10 AM
Hello
try the following:
CoreSW
default interface gig1/0/26
interface gig1/0/26
channel-group 13 mode active
no shut
PoeSW
default interface gig1/0/47
interface gig1/0/47
channel-group 1 mode active
no shut
11-14-2024 03:12 AM
already I've use it is not worked
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