Synology Failed to establish IEEE 802.3ad connection Cisco

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Failed to establish IEEE 802.3ad connection

Failed to establish IEEE 802.3ad connection

Configuring Synology Link Aggregation

I am using Synology RS814+ and Cisco Catalyst 3750G. RS814+ has 4 gigabit ports. In my case I have only used first 2 ports to create an aggregation link.

If you wish to create 2 and 2 links, then make sure to create interface Port-channel2 for second link and use channel-group2 mode active on switch interfaces.

This configuration works 100%, please let me know if any problems.

interface Port-channel1
switchport
switchport access vlan 100
switchport mode access

interface GigabitEthernet1/0/1
description “Synology NIC1”
switchport access vlan 100
switchport mode access
channel-protocol lacp
channel-group 1 mode active
!
interface GigabitEthernet1/0/2
description “Synology NIC2”
switchport access vlan 100
switchport mode access
channel-protocol lacp
channel-group 1 mode active

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