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Etherchannel issue between 3750 stack and WS-CBS3012 for IBM blade centre

madhankumar.g
Level 1
Level 1

Hi,

We are trying to configure Etherchannel between four ports of cisco 3750 stack(2ports from one switch of stack and two ports from another switch of same stack). We are facing issues with this setup. The ports in WS-CBS3012 are going to err disable mode.

Is  there any limitations associated with such a cross-stack etherchannel configuration. Please suggest if there is any particular sequence of configuration involved.

Switch1 in stack

int gi 3/0/3

switchport mo trunk

switchport trunk allowed vlan 10-30

sw tr en dot1q

channel-group 1 mode on

spanning-tree guard root

switch 2 in stack

int gi 3/0/3

switchport mode trunk

switchport trunk allowed vlan 10-30

sw tr en dot1q

channel-group 1 mode on

spanning-tree guard root

int port-channel 1

switchport mode trunk

switchport trunk allowed vlan 10-30

sw tr en dot1q

channel-group 1 mode on

spanning-tree guard root

in WS-CBS3012 ports are configured with trunk,allowed vlan and etherchannel configuration with mode on.

With Regards,

Madhan kumar G

1 Reply 1

madhankumar.g
Level 1
Level 1

Hi,

The commnad "no spanning-tree etherchannel guard misconfig" on WS-CBS3012 resolved the issue.

Regards,

Madhan kumar G