Hi facing issue with LAG
we have two 10G port LAGed between 2 cisco switch.
after the configuration on of the port is getting removed from LAG and go to standby mode and come back online after 30 sec and going back to standby mode again.
SW1#interface Port-Channel10
ip address 140.140.140.1 255.255.255.252
no switchport
interface TenGigabitEthernet2/0/2
channel-group 10 mode auto
no switchport
interface TenGigabitEthernet1/0/2
channel-group 10 mode auto
no switchport
SW2 #interface Port-Channel10
ip address 140.140.140.2 255.255.255.252
no switchport
interface TenGigabitEthernet2/0/4
channel-group 10 mode auto
no switchport
interface TenGigabitEthernet1/0/2
channel-group 10 mode auto
no switchport
and the switch log message is
2147482592 2023-May-11 11:22:33 Informational %TRUNK-I-PORTADDED: Port te2/0/4 added to Po7
2147482593 2023-May-11 11:22:29 Informational %2SWTRUNK-I-TRNKPORTPARAM: auto-negotiation/adv. capabilities of port te2/0/4 differ from auto-negotiation/adv. capabilities of Po7
2147482594 2023-May-11 11:22:29 Informational %LINK-I-Up: te2/0/4
2147482595 2023-May-11 11:22:27 Informational %2SWTRUNK-I-TRNKPORTPARAM: auto-negotiation/adv. capabilities of port te2/0/4 differ from auto-negotiation/adv. capabilities of Po7
2147482596 2023-May-11 11:17:28 Informational %2SWTRUNK-I-TRNKPORTPARAM: auto-negotiation/adv. capabilities of port te2/0/4 differ from auto-negotiation/adv. capabilities of Po7
2147482597 2023-May-11 11:17:27 Warning %LINK-W-PORT_SUSPENDED: Port te2/0/4 suspended by link-flapping
2147482598 2023-May-11 11:17:27 Informational %2SWTRUNK-I-TRNKPORTPARAM: auto-negotiation/adv. capabilities of port te2/0/4 differ from auto-negotiation/adv. capabilities of Po7
2147482599 2023-May-11 11:17:27 Warning %LINK-W-Down: te2/0/4
2147482600 2023-May-11 11:17:27 Warning %TRUNK-W-PORTREMOVED: Port te2/0/4 removed from Po7
2147482601 2023-May-11 11:11:48 Informational %TRUNK-I-PORTADDED: Port te2/0/4 added to Po7
