Mailinglist Archive: opensuse (1338 mails)

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Re: [opensuse] Is the a list of Switches that support link bonding?
  • From: "Greg Freemyer" <greg.freemyer@xxxxxxxxx>
  • Date: Mon, 3 Nov 2008 17:04:44 -0500
  • Message-id: <87f94c370811031404s31bed3b4sb0ae3b39bb297bfd@xxxxxxxxxxxxxx>
On Mon, Nov 3, 2008 at 5:41 AM, Philippe Andersson <pan@xxxxxxxxxxxxx> wrote:
Greg Freemyer wrote:
All,

I considering setting up link bonding for the first time. The server
would have 2 NICs. Possibly a couple of the clients would have the
same, but most of the clients only one NIC.

I've checked a couple switches and I'm confused. I found one old
comment that there was a 8-port Netgear 1Gbit switch that supported it
for $100 which sounds great.

But I need about 24 ports, and from my initial looks I haven't found
one yet that does.

My method is to drill down into spec sheets, but I'm hoping someone
has already done that and built a nice list?
We successfully use bonding on our HP DL380 servers (SLES). They're
hooked to HP ProCurve switches (typically the 5406zl model).

But I'm not aware of any support for bonding being needed on the switch
side. As far as I know, everything happens on the server side. I may be
wrong and just lucky to use a compatible switch, of course.


I know less about this now then when I started looking into it.

==>Per another reply:
There is a protocol in nic bonding that provides for automatic switch
detection of bonded lines...

The short answer is yes, you will need to manually setup which ports
are the bonded ports on the switch. However, there are bonding
protocols that don't require a special switch mode. Modes 5 and 6
don't require a switch with 802.3ad.
==

So, I have not yet read through the link bonding HowTo, but I assume
the above modes are Linux Bonding modes.

Greg
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