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You take the redundancy as far as you can. There will still be some single
points of failure but you can make NICs and data center Ethernet cables
redundant for relatively little expense. You might be able to do it at the
switch level as well, but even it you can't, having redundant NICs does
increase your resiliency.

(This from someone who had a non-redundant NIC fail a few months back & had
to suffer an outage while IBM replaced it. We now have a spare NIC though
we're leaving it configured as a warm spare v. binding the IPs to multiple
NICs.)

On Tue, Aug 2, 2011 at 12:50 PM, <rob@xxxxxxxxx> wrote:

I think he is talking about binding 1 IP to multiple NIC's. The purpose
being twofold:
- Redundancy
- Load balancing

Well, it would be a rare day when I would come close to tickling the
capability of a 1GB card. According to what I use the only card that ever
sees a significant load is a 100MB card on one lpar. All the rest are GB.

Not sure about the redundancy. How would one get redundancy? Ok, I can
see the card, and/or the cable from the card to the switch. However I
can't see multiple switches and stuff. How could one IP address be on
multiple switches? This new huge switch you could have ports on a couple
of different cards and perhaps they are hot swappable (a coworkers job).


Rob Berendt
--
Group Dekko
Dept 1600
Mail to: 2505 Dekko Drive
Garrett, IN 46738
Ship to: Dock 108
6928N 400E
Kendallville, IN 46755
http://www.dekko.com





From: Jack Kingsley <iseriesflorida@xxxxxxxxx>
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Date: 08/02/2011 01:41 PM
Subject: Re: CRTLINETH RSRCNAME(*AGG)
Sent by: midrange-l-bounces@xxxxxxxxxxxx



MIke, you talking about binding more than 1 ip per nic or??

On Tue, Aug 2, 2011 at 9:49 AM, Mike Bardin <mike@xxxxxxxxx> wrote:

Hello .
Sorry I don't have i7 box, my box runs V5R3, and our customers are on
V5R3 or V5R4.
Does anybody knows is it possible to create aggregate ethernet in i7?
By this link



http://publib.boulder.ibm.com/infocenter/iseries/v7r1m0/index.jsp?topic=/cl/crtlineth.htm

there are no AGGPCY and AGGRSCL keywords in the keyword list,
but they are in example 4.

I know it is possible to create aggregate ethernet in VIOS.
But natively in i ?

--
Best regards,
Mike mailto:mike@xxxxxxxxx

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