<br><font size=2 face="sans-serif">I know this is going to open a whole
long discussion BUT</font>
<br>
<br><font size=2 face="sans-serif">Is having your phone traffic seperated
really needed. Is QOS on a LAN really actually needed. I mean
come on we all have atleast gig uplinks I want to see where the buffers
on the switch get full enough to slow down traffic over the 20ms jitter
buffer on a local LAN segment or drop packets.</font>
<br>
<br><font size=2 face="sans-serif">Now over the WAN thats somewhere that
QOS definatly needs to be involved.</font>
<br>
<br><font size=2 face="sans-serif">Just my thoughts</font>
<br><font size=2 face="sans-serif">Craig<br>
<br>
</font>
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<br>
<br>
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<td width=40%><font size=1 face="sans-serif"><b>Tim Medley <tim.medley@moxieent.com></b>
</font>
<br><font size=1 face="sans-serif">Sent by: cisco-voip-bounces@puck.nether.net</font>
<p><font size=1 face="sans-serif">01/19/2007 11:21 AM</font>
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<div align=right><font size=1 face="sans-serif">To</font></div>
<td><font size=1 face="sans-serif">"cisco-voip@puck-nether.net"
<cisco-voip@puck.nether.net></font>
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<td>
<div align=right><font size=1 face="sans-serif">cc</font></div>
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<td>
<div align=right><font size=1 face="sans-serif">Subject</font></div>
<td><font size=1 face="sans-serif">[cisco-voip] Nortel LAN switches and
Cisco IP Phones</font></table>
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<br></table>
<br>
<br>
<br><font size=1>A customer just posed a question to me and I couldn't
find anything on google.</font>
<br>
<br><font size=1>Are there any interoperability issue with using Nortel
LAN switches with Cisco IP Phones. The CIO for this customer is looking
to save some $ by using non-cisco ip phones. </font>
<br>
<br><font size=1>My first thoughts were that the Cisco switch provides
two things, power and voice vlan support. The nortel switches do support
802.3af so power should not be an issue. But since CDP is a cisco proprietary
protocol, the nortel switches won't support CDP which means that the phones
will not automatically use the voice vlan for voice traffic. This just
means that the customer would have to do something else to segregate and
QoS the voice traffic such as an acl.</font>
<br>
<br><font size=1>Are there any other considerations?</font>
<br>
<br>
<br><font size=1>tm</font>
<br><font size=1> </font>
<br><font size=1>Tim Medley</font>
<br><font size=1>Moxie Enterprises</font>
<br><font size=1>Email: </font><a href=mailto:tim.medley@moxieent.com><font size=1 color=blue><u>tim.medley@moxieent.com</u></font></a>
<br><font size=1>Phone: (704) 905-4604</font>
<br><font size=1> </font>
<br>
<br>
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