[c-nsp] Extreme vs. Cisco

[Joe Maimon]

sthaug at nethelp.no wrote:

>>configuring every vlan on every port I need it over and over again.
>>
>>much prefer to simply enable dot1q for all vlans in the switch on port, 
>>except for when I have reason to prevent that vlan from that port.
> 
> 
> This may work in an enterprise environment where you have many switches
> with the same VLAN database. It is a recipe for disaster in a service
> provider environment.
> 
> Steinar Haug, Nethelp consulting, sthaug at nethelp.no
> 
> 
The summits are workgroup/campus switches. Naturally in a sp you 
configure allowed vlans.

However in the enterprise environment it becomes a very nice source of 
pain to the point that first thing you do is screen scrape all ports in 
the path to check for vlan membership.

Now add a new one. rinse repeat.