[j-nsp] Good practice for EX-series interface config management

[Keegan Holley]

On Nov 2, 2010, at 5:31 PM, Dale Shaw <dale.shaw+j-nsp at gmail.com> wrote:

> Hi all,
> 
> I'm curious about what people have found is the best way to manage
> interface configurations on EX-series devices. There are a number of
> ways to apply configuration to interfaces -- direct to each interface,
> using interface-ranges etc.
> 
> We've been burnt a couple of times with people making adjustments to
> interface-ranges and not paying close enough attention to the net
> effect of their change (e.g. leaving out all interfaces on a switch).
> Direct application of config to interfaces, while precise, kind of
> feels 'wrong' as JUNOS provides more elegant ways to achieve the same
> end result. Maybe in carefully planned, static environments where
> access port VLAN assignments and other port specific configs rarely
> change, interface-ranges are more workable. Or maybe we're just doing
> it wrong.
> 

I suppose it depends on what you use the switch for.  We mostly use them as access in hosting environments.  I like using config groups where you can group anything related to a particular customer together.  But that's just my preference.