01-29-2019 12:29 AM
Hi,
i have configured a multicassis etherchannel between some catalyst 2960x and two C9500-x configured in stackwise virtual. I''m encountering this issue, when i boot all the stackwise at the same time the LAG work proprely, but if the only standby member reload when it completed the boot the remote switch 2960x place the connected port in suspended mode and the switch stop propagate traffic on all bundle port. I have the same issue whit LACP, PAGP or static mode.
Any ideas?
Thanks
01-29-2019 12:33 AM
Can you post the configuration of both the switches to verify.
01-29-2019 01:21 AM
This is just the last revision whit static LAG
ABSTRACT OF 9500-X
interface TenGigabitEthernet1/0/1
switchport mode trunk
channel-group 1 mode on
interface TenGigabitEthernet2/0/1
switchport mode trunk
channel-group 1 mode on
interface Port-channel1
description LINK_TO_SW-L2-CED1
switchport mode trunk
ABSTRACT OF 2960X
interface GigabitEthernet1/0/25
switchport mode trunk
channel-group 1 mode on
!
interface GigabitEthernet1/0/26
switchport mode trunk
channel-group 1 mode on
interface Port-channel1
switchport mode trunk
02-14-2019 07:57 AM
Dear e.rapaccioli,
1. Your configurations are ok.
2. interfaces's speed's on 9500-X are 10Gb and on 2960X are 1Gb. I dont know if they are in auto negociate state.
Try setting on 9500-X are 10Gb
interface TenGigabitEthernet1/0/1
speed 1000
interface TenGigabitEthernet2/0/1
speed 1000
02-14-2019 11:58 PM
At the momenti i can't try this change, i'll be carefullly to try and give you feedback you the next week.
Thanks so much.
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