Famous operational issues

Wed Feb 24 13:16:14 UTC 2021

     I personally did "disable vlan Xyz" instead of "delete vlan Xyz" on 
Extreme Network... which proceeded to disable all the ports where the 
VLAN was present...

     Good thing it was a (local) remote pop and not on the core.

-----
Alain Hebert                                ahebert at pubnix.net
PubNIX Inc.
50 boul. St-Charles
P.O. Box 26770     Beaconsfield, Quebec     H9W 6G7
Tel: 514-990-5911  http://www.pubnix.net    Fax: 514-990-9443

On 2/23/21 5:22 PM, Justin Streiner wrote:
> An interesting sub-thread to this could be:
>
> Have you ever unintentionally crashed a device by running a perfectly 
> innocuous command?
> 1. Crashed a 6500/Sup2 by typing "show ip dhcp binding".
> 2. "clear interface XXX" on a Nexus 7K triggered a 
> cascading/undocument Sev1 bug that caused two linecards to crash and 
> reload, and take down about two dozen buildings on campus at the .edu 
> where I used to work.
> 3. For those that ever had the misfortune of using early versions of 
> the "bcc" command shell* on Bay Networks routers, which was intended 
> to make the CLI make look and feel more like a Cisco router, you have 
> my condolences.  One would reasonably expect "delete ?" to respond 
> with a list of valid arguments for that command.  Instead, it deleted, 
> well... everything, and prompted an on-site restore/reboot.
>
> BCC originally stood for "Bay Command Console", but we joked that it 
> really stood for "Blatant Cisco Clone".
>
> On Tue, Feb 16, 2021 at 2:37 PM John Kristoff <jtk at dataplane.org 
> <mailto:jtk at dataplane.org>> wrote:
>
>     Friends,
>
>     I'd like to start a thread about the most famous and widespread
>     Internet
>     operational issues, outages or implementation incompatibilities you
>     have seen.
>
>     Which examples would make up your top three?
>
>     To get things started, I'd suggest the AS 7007 event is perhaps  the
>     most notorious and likely to top many lists including mine. So if
>     that is one for you I'm asking for just two more.
>
>     I'm particularly interested in this as the first step in developing a
>     future NANOG session.  I'd be particularly interested in any issues
>     that also identify key individuals that might still be around and
>     interested in participating in a retrospective.  I already have
>     someone
>     that is willing to talk about AS 7007, which shouldn't be hard to
>     guess
>     who.
>
>     Thanks in advance for your suggestions,
>
>     John
>

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