[112197] in North American Network Operators' Group
Re: external L2 ethernet connections
daemon@ATHENA.MIT.EDU (isabel dias)
Fri Feb 20 09:55:52 2009
Date: Fri, 20 Feb 2009 06:55:38 -0800 (PST)
From: isabel dias <isabeldias1@yahoo.com>
To: nanog@nanog.org, Joe Maimon <jmaimon@ttec.com>
In-Reply-To: <499EC121.9090204@ttec.com>
Reply-To: isabeldias1@yahoo.com
Errors-To: nanog-bounces@nanog.org
Joe,
I take credit card payments ....and we can agree on a daily rate ...as after all you are into "IT Consultancy".
Just use the available search engine optimizers to build your knowledge based by performing the "black had v white hat" searches :-)
I am here still ....what is your budget?
--- On Fri, 2/20/09, Joe Maimon <jmaimon@ttec.com> wrote:
> From: Joe Maimon <jmaimon@ttec.com>
> Subject: external L2 ethernet connections
> To: nanog@nanog.org
> Date: Friday, February 20, 2009, 3:41 PM
> Does anyone have a best practice list of things to
> disable/filter/turn off on ethernet ports l2 connected to
> other AS's
>
> cdp
> stp
> switchport negotiate
> vtp
> if trunking, limit vlans, no vlan1
>
> So on so forth.
>
> Switches do so many darn things all by themselves, as any
> packet capture shows.
>
> Thanks,
>
> Joe
