external L2 ethernet connections

isabel dias isabeldias1 at yahoo.com
Fri Feb 20 08:55:38 CST 2009


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 at ttec.com> wrote:

> From: Joe Maimon <jmaimon at ttec.com>
> Subject: external L2 ethernet connections
> To: nanog at 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


      




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