4210 link aggregation issues

[EdwinRandall]

Hi all,

How many link aggregation groups does the 4210 26-port actually supports?

I'm trying to set up a 4210 26-port switch with 3 link aggregation groups, each group has 2 member interfaces only. The problem is that the 3rd group won't ever have both ports as "Selected" in the aggregation group. See output below:

Aggregation ID: 2,  AggregationType: Manual,   Loadsharing Type: NonS





Aggregation Description:





System ID: 0x8000, 0024-7346-6f10





Port Status: S -- Selected,  U -- Unselected





Local:





Port                     Status  Priority  Key    Flag





--------------------------------------------------------------------------------





Ethernet1/0/2             S       32768     1      {}





Ethernet1/0/14           U       32768     1      {}

















The weird thing is that if I shutdown any interface of any other aggregation group, this interface 1/0/14 will become Selected !!

Why does this happen if in the 4210 26-port datasheet it says the device will support 3 aggregation groups?

I hope someone can help because it's really confusing...

Thanks in advice

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This message was edited by EdwinRandall on 7-25-10 @ 12:47 AM