HP A-Series to Cisco LACP switchport link-aggregation

Left side: HP 5820

Create the bridge-aggregate interface

int br50
link-aggregation mode dynamic

Join the member ports to the bridge-aggregate

int gi1/0/48
port link-aggregation group 50

Configure the bridge-aggregate

int br50
port link-type trunk
port trunk permit vlan ${vlan-list}

Add member ports to bridge-aggregate
int gi2/0/48
port link-aggregation group 50

YOUR DONE…..on this side



Right side: Cisco 3020 blade switch

 Create port-channel by adding first member

int gi0/21
channel-group 1 mode active

configure the port-channel

int po1
switchport nonegotiate
switchport mode trunk
switchport trunk allowed vlan ${vlan-list}

Add members to port-channel

int gi0/22
channel-group 1 mode active

Done on this side…. don’t forget to verify!


Useful commands

description / HP / Cisco
determine member port state / dis link summary / show ether summary
determine which ports are members / dis link verbose br50 / show ether summary
debug lacp / debug link-aggregation all / debug lacp


Other notes

  • ensure that your VLAN list is identical on both sides. If they are not, it will cause the member ports to not become selected.


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