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September 28th, 2009 02:00

LACP EtherChannel

I am trying to configure LACP between our Cisco 3750 stack and an EMC ns-120.

I have 2 GigabitEthernet ports that I have put into port-channel 20, please see the below config for the 2 interfaces¿

interface GigabitEthernet2/0/10
description EMC
switchport trunk encapsulation dot1q
switchport trunk native vlan 101
switchport mode trunk
speed 1000
duplex full
channel-protocol lacp
channel-group 20 mode active
!
interface GigabitEthernet2/0/12
description EMC
switchport trunk encapsulation dot1q
switchport trunk native vlan 101
switchport mode trunk
speed 1000
duplex full
channel-protocol lacp
channel-group 20 mode active

When using the above configuration the links do not come up, the port-channel interface and 2 physical interfaces show as notconnect.

However, when I switch the mode to 'on' (therfore not use a protocol) the etherchannel comes up no problem.

I have been assured that the EMC SAN is configured correctly and is able to use LACP.
I have also tried 'passive' mode with no joy!

Any help is greatly appreciated.
Pete

141 Posts

November 28th, 2017 07:00

Hi there,

In our efforts to clean up the forum, we came across your question / statement.

If the question / statement is still valid, not expired and you need an update please reach out again and we try to get it answered.

As for now we set it to “answered.”

Regards,

Jim

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