Trunking on 5412zl

[Adam Jongewaard]

I have a 5412zl procurve. We upgraded our VMWare infrastructure to vSphere 4 and i'm wondering in the case of dvSwitches...

I have 3 servers with 8 NICS and I want to trunk them but want to split them up across different modules in the 5412. Is it possible to have one trunk group across different modules so that I have some redundancy for my ESX hosts?

I have a rough drawing of what I want to accomplish while maintaining all connectivity to my NICs on each ESX host. The diagram only shows 2 NICs but each ESX host actually has 8 NICs.

IS this possible on this switch?

[Adam Jongewaard]

For some reason the diagram never got attached. My apologies.

[EckerA · Accepted solution]

Hi,
you can trunk across different modules.
exp:
trunk a1,b1 trk1 trunk
works just fine.

hth

Alex

[Adam Jongewaard]

ok. thanks.

Next is the 2nd part. In our DR site we are going to have 2 24 port switches which I have not purchased yet. Is there some way with procurve switches to trunk across 2 switches like with Nortel's split multi-link trunking?

I would rather not go with mstp since in that scenario I only get half my bandwidth and then fail-over will give me the other half. I would like to get full use of all ports unless one of the switches tanks.

Thanks for the help.

Adam

[Adam Jongewaard]

ok, I think I may have answered my own question in browsing through the forums but I just want to verify here. The only way to do split multi-link type trunking is to use the 3500yl with VRRP.

No other way than that or using a chassis based switch in my DR site?

Thanks,
Adam

[serpel]

Hi,
i guess what you want is dt-trunking. works with the 3500, 5400, 8200 and 6600 i think.
and you need software k.14.xx.
the disadvantage is you can only do dt-trunking or routing.

hth
alex

[Trevor Commulynx]

dont forget though, you can enable IP routing on switches running DT (LACP - Distributed Trunking). no VRRP that means.

Trev.

[Trevor Commulynx]

Sorry, I meant CANT enable Routing.

[kghammond]

Hello,

We have been trying to get distributed trunking working with vSphere and our HP switches.

We have the dt-lacp ports setup and we have the vswitches set to IP Hash.

On the HP switches, the ports don't show that there is a lacp member. The HP switches reported the same MAC on both ports (different switches), which we think is correct.

Also when we did this configuration and we tried to bring a vSphere box online, we received an error that HA could not be enabled.

ProCurve Switch 1(config)# trunk 23-24 trk1 lacp
ProCurve Switch 1(config)# switch-interconnect trk1
ProCurve Switch 1(config)# trunk 1 trk5 dt-lacp
ProCurve Switch 2(config)# trunk 23-24 trk1 lacp
ProCurve Switch 2(config)# switch-interconnect trk1
ProCurve Switch 2(config)# trunk 1 trk5 dt-lacp

We are trying the same thing as here:
http://www.vnephos.com/index.php/2009/09/hp-procurve-cross-stack-etherchannel/

I am not sure if we are doing something wrong, or if this simply does not work the way we expect it or what...

Thank you,
Kevin

[Mads Sørensen]

Hi Kevin

Did you solved your problem?

We are about to try the same with dt-lacp and vSphere. So it would be nice to know if we have to be aware of something special?

Thanks

/Mads