[cisco-voip] Redundancy to the endpoint

[Ed Leatherman]

Agree 100% with scott, we keep 1 or 2 spare switches and don't rely on
smartnet to get us a critical part. We dont buy smartnet on access switches
with warranties, we just replace with spares. I think we keep support for 1
of each type for support on configuration problems.

Had one of our 6903 chassis go bad on us (one with a 6608 T1 blade providing
PSTN access...). The one thing I didnt have a spare for. took about a week
to get a replacement even though we have NBD service on the box. At the time
we had plenty of capacity on our other gateway so we werent out of service..
but was very frustrating - I was just waiting for that other gateway to
break...

On 7/11/06, Mike Armstrong <mfa at crec.ifas.ufl.edu> wrote:
>
> Cisco's campus model stops being redundant at the access layer switch,
> which
> (according to cisco) should have high port density.  When one of those
> fails, devices connected to those dense ports go dark if they're only
> connected to one switch.  We had a 3750-PoE-48 go down last Friday, and 48
> phones are now blank.  Cisco initially said they didn't have another one
> to
> send us until July 21, but I persuaded them to send a 3560 as a temporary
> replacement, so with a minor configuration change we should be back in
> business later today.  Nevertheless, losing 48 phones is still a big deal
> for us, and even if we had the money to support a fully-redundant switch,
> there's still a significant outage while the fault is detected and the
> patch
> cables are swapped.  I wonder what other folks do in anticipation of a
> high-port-density switch failing, and if there's a likelihood of improved
> redundancy at this level in the future?
>
> Mike Armstrong
> UF/IFAS CREC
> Lake Alfred, FL
>
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>



-- 
Ed Leatherman
IP Telephony Coordinator
West Virginia University
Telecommunications and Network Operations
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