Extreme Networks

Erhan_YILDIZ1 · ‎10-26-2018

Hello All,

interface gigabitethernet 1/1
lacp aggregation enable
lacp enable
lacp key 10
lacp mode passive

interface gigabitethernet 1/2
lacp aggregation enable
lacp enable
lacp key 10
lacp mode passive

I think I done the lacp config, but I need to add vlan on this.
When I do the below,

"vlan members add 3 1/"

I am having the error

"other ports are using the same key. Can not change port vlan membership"

Thanks,
Best Regards

Ludovico_Steven · ‎07-13-2020

Gents

VSP LACP was changed a while back (VSP9000 rel 3.2.0.0 for the record; all modern VSPs descend from that) to allow dynamically adding or deleting of VLANs on LAG ports (without having to disable LACP on the ports). For this to work, the LAG ports must already be aggregated and active members of the MLT id configured for the same LACP key.

You then use either of these commands:

[no] vlan mlt <vlan-id> <mlt-id>
[no] mlt <mlt-id> vlan <vlan-list>
vlan members add|remove <vlan-id> <port-list>

The 1st two commands are preferred; if using the latter you need to make sure all ports in the MLT are specified.

The issue of having to disable LACP on the port is only if some of the ports are NOT active members of the MLT and you have configured them with the same key. Now in this case, the third and last command listed above will give an error. But the 1st two commands remain operational (without needing to disable LACP on the ports).

View solution in original post

Jongseok_Won · ‎10-29-2018

Try below command.

1.To add a VLAN to an active LACP-enabled MLT:
mlt vlan
vlan mlt

2.To remove a VLAN from an active LACP-enabled MLT:
no mlt vlan

3.Adding or removing individual ports from a VLAN is not allowed when these ports are members of an active LACP-enabled MLT unless LACP is disabled first.

4.Example

BEB-40:1(config)#show vlan members

====================================================================================================
Vlan Port
====================================================================================================
VLAN PORT ACTIVE STATIC NOT_ALLOW
ID MEMBER MEMBER MEMBER MEMBER
----------------------------------------------------------------------------------------------------
1

10 1/1 1/1

12 1/7 1/7

30 1/4 1/4

31

BEB-40:1(config)#show mlt

====================================================================================================
Mlt Info
====================================================================================================
PORT MLT MLT PORT VLAN
MLTID IFINDEX NAME TYPE ADMIN CURRENT MEMBERS IDS
----------------------------------------------------------------------------------------------------
1 6144 MLT-1 trunk norm norm 1/4 30

All 1 out of 1 Total Num of mlt displayed

DESIGNATED LACP LACP
MLTID IFINDEX PORTS ADMIN OPER
----------------------------------------------------------------------------------------------------
1 6144 1/4 enable up

All 1 out of 1 Total Num of mlt displayed

WHICH PORTS
WHERE LOCAL REMOTE PROGRAMMED
MLTID NAME CREATED PORT MEMBERS PORT MEMBERS IN DATA PATH
----------------------------------------------------------------------------------------------------
1 MLT-1 LOCAL 1/4 LOCAL

BEB-40:1(config)#mlt 1 vlan 31

BEB-40:1(config)#show mlt

====================================================================================================
Mlt Info
====================================================================================================
PORT MLT MLT PORT VLAN
MLTID IFINDEX NAME TYPE ADMIN CURRENT MEMBERS IDS
----------------------------------------------------------------------------------------------------
1 6144 MLT-1 trunk norm norm 1/4 30 31

All 1 out of 1 Total Num of mlt displayed

DESIGNATED LACP LACP
MLTID IFINDEX PORTS ADMIN OPER
----------------------------------------------------------------------------------------------------
1 6144 1/4 enable up

All 1 out of 1 Total Num of mlt displayed

WHICH PORTS
WHERE LOCAL REMOTE PROGRAMMED
MLTID NAME CREATED PORT MEMBERS PORT MEMBERS IN DATA PATH
----------------------------------------------------------------------------------------------------
1 MLT-1 LOCAL 1/4 LOCAL

Martin_Sebek · ‎10-26-2018

Try disabling lacp on the interfaces first, then add ports to the vlan and enable lacp again.

interface gig 1/1,1/2 no lacp enable
exit
vlan members add 3 1/1,1/2
interface gig 1/1,1/2
lacp enable
exit

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