Comments on: HP GbE2 Switch Blade

By: svl0r

svl0r — Thu, 02 Jul 2009 01:16:16 +0000

Yeah I use it on IRC channels to paste configs.

By: Michael McNamara

Michael McNamara — Thu, 02 Jul 2009 01:14:55 +0000

In reply to svl0r.

Nice work… interesting site.

Cheers!

By: Michael McNamara

Michael McNamara — Thu, 02 Jul 2009 01:14:25 +0000

In reply to Steve Luckey.

Hi Steve,

You’re just about there… you really only need to add the specific edge (server) ports to your “DMZ” VLAN.

I’ll provide a little more explanation but essentially svl0r has provided you the commands in his response (interesting site).

I don’t know that I would advocate disabling Spanning Tree globally because it can lead to unexpected results. I would probably advise that you disable Spanning Tree per port.

The switch port on the HP GbE2c corresponds to the server slot on the HP 7000 Enclosure. There is a document from HP that documents the mapping which can get really confusing when you need more than 2 NICs and multiple HBAs.

NIC 1 on the server in slot 1 corresponds to port 1 on the A side of the GbE2 switch.
NIC 2 on the server in slot 1 corresponds to port 1 on the B side of the GbE2 switch

NIC 1 on the server in slot 2 corresponds to port 2 on the A side of the GbE2 switch
NIC 2 on the server in slot 2 corresponds to port 2 on the B side of the GbE2 switch

…repeat 16 servers (half-height) correspond to port 1-16…

Good Luck!

By: svl0r

svl0r — Thu, 02 Jul 2009 00:50:43 +0000

Steve,

http://pastebin.com/f11270546

By: Steve Luckey

Steve Luckey — Wed, 01 Jul 2009 20:35:56 +0000

I have a 300 with 8 servers in it. (1/2 height)
I want to put 1 server on our Local Lan and the other 7 on our DMZ.
I have configured the GBE2C card so it has 2 VLANS, and have added port 24 to VLAN2(for the DMZ), and connected an uplink cable into port 24 on the Interconnect bay 1.
(I think that is right so far).
Now I need to re-map NIC1 of each of the 7 servers to port 24.
Can you assist, or point me to a document that explains this.
(I am very new to this)

thanks in advance for any help.

By: hackez

hackez — Sat, 09 May 2009 19:59:12 +0000

I though my config was alright. I do have UFD enabled and its pretty cool. Thanks for the help!

By: Michael McNamara

Michael McNamara — Sat, 09 May 2009 19:49:36 +0000

In reply to hackez.

That configuration is fine… you may want to explore UFD (Uplink Failure Detection) on the HP GbE2 switch. It will automatically disable the server ports if it looses uplink to your core causing the NIC teaming solution to fail-over to the redundancy standby NIC.

Good Luck!

By: hackez

hackez — Fri, 08 May 2009 03:31:56 +0000

safe*

By: hackez

hackez — Fri, 08 May 2009 03:31:39 +0000

Hehe Yes it is. Yup. It took me a week to figure out a save config. And that’s what I came up with, but what do you think on the current config? I’m worried somewhere between the GbE2c switches to the passports it may cause network problems.

By: Michael McNamara

Michael McNamara — Fri, 08 May 2009 03:26:08 +0000

Isn’t a diagram worth a thousand words… :)

So in this configuration you’ll only be able to use NIC teaming in a fault tolerant configuration… essentially the second NIC will run in standby mode and will only come active if the primary NIC looses link with the network switch. If you had physical servers that were cabled directly to the ERS 8600 switch then you could configure a SMLT using LACP where you could use NIC teaming in an Active/Active configuration. Unfortunately since the HP GbE2c doesn’t support IST/SMLT you can only run them in NFT mode.

Hopefully I’ve made that clear…

By: hackez

hackez — Fri, 08 May 2009 03:16:55 +0000

http://yfrog.com/07networklayout1xj

By: hackez

hackez — Fri, 08 May 2009 03:11:05 +0000

I currently don’t have any spanning tree as I run SMLT’s. I know the new switches support stacking. But the ones we have don’t. I know about port 17 and 18 and I have them disabled. BTW this is the current setup I have. http://img18.imageshack.us/img18/663/networklayout1.jpg

By: Michael McNamara

Michael McNamara — Thu, 07 May 2009 18:57:55 +0000

Hi Hackez,

If you want to connect both HP GbE2c switches to your core network you’ll need to run Spanning Tree between your core and the two GbE2cs. The HP GbE2c’s don’t support IST/SMLT thats a Nortel proprietary protocol although I sometimes wonder why they don’t license it to Blade Technologies. You realize that there is a virtual trunk interface between the two switch (side/switch A and side/switch B) within the enclosure. If you want to take advantage of the HP NIC teaming and fault tolerance you’ll need run Spanning Tree. Another option would be to disable the virtual trunk interface (I believe it’s trunk 1 in the configuration by default) and then uplink both HP GbE2c’s individually to your core network. Then there would be no need for Spanning Tree.

Good Luck!

By: hackez

hackez — Thu, 07 May 2009 04:20:17 +0000

I have a question for you about your setup. I have am having some problems don’t know yet if its because of my config. But basically I have 2 ERS8600’s and 2 HP GbE2c’s . 4 fibers, 2 from the A and 2 from B. Blade SW 1 gets a A and B, same goes for SW 2. Both are MLT’ed and on the 8600. SW 1 has its own SMLT and the other has its own SMLT. I get some performance issues on one application. Is it the way I have it setup is why I see the server retransmitting. Oh BTW the server has automatic teaming set which it usually picks NFT.

Do I have to do VLACP on the 8600 and LACP on the switches to fix this?

Thanks!