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Stacking HP2824 Managed Swtichs

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AdrianOConnor
Occasional Visitor

Stacking HP2824 Managed Swtichs

Hi all.

We have 15x 2824 Switchs in a single stack with no vlans.

My question is do you need a distribution switch to link all the switchs together?

Or

Are we fine without a distribution stitch but should use the Gbic connections to link the switchs together?

Or

Are the switchs fine as they are, in a daisy chain configuration?

Thanks, Im just not sure, where the cut off point is when moving from access to destribution to core switchs. I couldn't find any guides or best practice on how many I should stack.
7 REPLIES
cenk sasmaztin
Honored Contributor

Re: Stacking HP2824 Managed Swtichs

hi Adrian

I make advice to you two distribution switch on your system for redandacy and full time working and each 2824 switch two connect to each core distribution switch.
in this way each 2824 switch to connect network core with 2Gbps uplink port.
on 2824 switch one uplink port down is working other uplink port with 1Gbps connection.
this methot name Hp trunking
and you make STP config (with trunk config)
STP loop free topology protocol

you connect two core switch between hight bandwith connection ten gigabit or 4 gigabit trunk and each 2824 switch sperate two uplink port frist uplink port connect frist core switch ,secont uplink port second core switch
example config :
1core5400(config)#trunk 15-18 trk1 trunk
1core3500(config)#trunk 10 trk2 trunk
1core5400(config)#spanning-tree

2core5400(config)#trunk 15-18 trk1 trunk
2core3500(config)#trunk 10 trk2 trunk
2core5400(config)#spanning-tree

2824(config)#trunk 23-24 trk2 trunk
2824(config)#spanning-tree

cenk









cenk

Matt Hobbs
Honored Contributor

Re: Stacking HP2824 Managed Swtichs

Cenk - there is no point in creating single port trunks. Also creating a 2-port trunk on an edge switch and then connecting each port to different core switches is not a supported configuration. Trunks must be point-to-point and must terminate on the same switch.
cenk sasmaztin
Honored Contributor

Re: Stacking HP2824 Managed Swtichs

Hi Adrian thanks Matt
yess switch no singe point creating port trunks.Matt right

Adrian, you want make two core switch and core switchs config

1core5400(config)#trunk 15-18 trk1 trunk(for second core switch uplink)
1core5400(config)#spanning-tree
2core5400(config)#trunk 15-18 trk1 trunk(for frist core switch uplink)
2core5400(config)#spanning-tree
2824(config)#spanning-tree

so can you make one vlan all operation you use stp or rstp just can you want many vlan on your system you use MSTP protocol for spanning tree

can you want make one core switch on your system
1core5400(config)#trunk 15,16 trk1 trunk(for edge switch 2824)
1core5400(config)#spanning-tree
2824(config)#trunk 23,24 trk1 trunk (for core switch 5400)
2824(config)#spanning-tree

my recommendation you use two core switch

cenk
cenk

AdrianOConnor
Occasional Visitor

Re: Stacking HP2824 Managed Swtichs

Im sorry guys, I don't understand the answers :/

Should we or should we not be looking at getting two distribution switchs?

If we should be, what switchs in particular would suit us?

Would two of the following "HP procurve switch 6200yl-24G miniGBIC" do?
cenk sasmaztin
Honored Contributor
Solution

Re: Stacking HP2824 Managed Swtichs

hi Adrian

I think you should two core switch

my config example for two core switch on your network

for your core switch must be distribution switch

8212,5400,5300 or 6200

6200yl link aggregator switch if you not make utp connection on your core very good switch
because server router etc. device you must be connect on core switch
because your sysem for flexible ,for redundancy ,for upgrade I recommend 5400 switch on your core

cenk
cenk

AdrianOConnor
Occasional Visitor

Re: Stacking HP2824 Managed Swtichs

Thanks Cenk

Incase anyone comes back on this, I found this tool quite helpful for working out the different switchs and costs associated with them.
AdrianOConnor
Occasional Visitor

Re: Stacking HP2824 Managed Swtichs

Forgot link :)

hxxp://www.hp.com/rnd/configurator