RE: NXOS upgrade on parent switch and affect on FEX

Do you have a procedural document or a Cisco document that you can share. Best
Regards, Yuri

> Date: Mon, 30 Dec 2013 13:57:02 -0600
> Subject: Re: NXOS upgrade on parent switch and affect on FEX
> From: mmarvel37122_at_gmail.com
> To: anthonybonilla.ccie_at_gmail.com
> CC: ccielab_at_groupstudy.com
>
> OK, if you are dual homed, here's what's going to happen. After you
> upgrade the first 5K, if there's a difference in the FEX firmware, they
> will be attached to the un-upgraded 5K and not to the upgraded one. You'll
> be able to see which one controls them by doing a SHOW FEX on both 5Ks. If
> you can take the downtime hit, you can just upgrade the 2nd 5K but
> understand you'll lose all connectivity to your FEX when that 5K reboots,
> they will download their firmware and reconnect to the upgraded 5K. If you
> want to do it in a controlled manner, reload each FEX one at a time.
> (Reload fex xxx) They take about 2-3 minutes in my experience... wait
> until each one is done before moving on.
>
> Here's my general procedure for upgrading:
>
> 1. Upgrade vPC primary 5K
> 2. Reload each FEX. Wait until each is completely up and active on the
> upgraded 5K before doing the next one.
> 3. Once all FEX are reloaded and controlled by the upgraded 5K, upgrade
> the 2nd.
>
> Let me know if you have any questions.
>
> Thanks.
>
>
> On Mon, Dec 30, 2013 at 1:49 PM, Anthony
<anthonybonilla.ccie_at_gmail.com>wrote:
>
> > Dual homed to a pair.
> >
> > Sent from my iPhone
> >
> > On Dec 30, 2013, at 2:47 PM, "mmarvel37122 ." <mmarvel37122_at_gmail.com>
> > wrote:
> >
> > Are your FEX 2Ks single homed into one 5K or dual homed into a pair of
> > 5Ks? There are different behaviors depending on which way you have them
> > done.
> >
> > Thanks.
> >
> >
> > On Mon, Dec 30, 2013 at 12:25 PM, Anthony Bonilla <
> > anthonybonilla.ccie_at_gmail.com> wrote:
> >
> >> Hi guys,
> >>
> >> I have to plan for upgrading few of my Nexus 5k switches that are
hosting
> >> few FEX 2k and I was wondering if there is anything special I have to do
> >> once I upgrade 5k. Would 2k automatically download the code or I have
to
> >> do it manually and in case if two codes are not in sync between parent
and
> >> FEX, what is the affect of this on FEX module ports? TIA.
> >>
> >> Tony
> >>
> >>
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Received on Mon Dec 30 2013 - 16:21:32 ART