[cisco-voip] VLANs without QoS

[Peter Slow]

yeah, absolutely it would. it gives you the _ability_ to easily
migrate to a QoS enabled environment. Even without QoS, segmenting
your network like that gives you the ability to decide where that
[broadcast] traffic can flow.

For example, if you have one switch on which you've only got phones
plugged in, you can configure allowed vlans on the involved uplinks so
that no traffic from the "data" vlans ever touches that switch. The
same concept applies on a per-port basis too. You can use this to keep
a phone with no PC behind it from ever seeing a broadcast packet from
the "data" VLAN.

It's good to build VLANs into your network. You're generally better
off without secondary IP addresses/subnets on interfaces.

-Peter

On 7/25/08, Matthew Loraditch <MLoraditch at heliontechnologies.com> wrote:
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> If you setup a VLAN without QoS, would it do anything to improve traffic
> flow versus 2 subnets on the same vlan?
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> Matthew Loraditch
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> Hunt Valley, Maryland  21030
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