[cisco-voip] might be a little OT about switches

[Bruce Jacobs (LendingTree)]

What version of ipcc are you on?  We have users on a layer 3 campus and
we can monitor across any subnet.

-----Original Message-----
From: Carter, Bill [mailto:WCarter at sentinel.com] 
Sent: Wednesday, June 01, 2005 7:20 AM
To: Voll, Scott; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] might be a little OT about switches

Yes, this can be done for IPCC Silent Monitoring.

-----Original Message-----
From: Voll, Scott [mailto:Scott.Voll at wesd.org] 
Sent: Tuesday, May 31, 2005 2:00 PM
To: Carter, Bill; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] might be a little OT about switches

We currently have each IDF as a different vlan / Subnet.  My only
question is can I have someone in the first IDF and someone on the 3rd
IDF on the same subnet?  IE. IPCC monitoring requires everyone to be on
the same vlan as the IPCC server.

THX

Scott

-----Original Message-----
From: Carter, Bill [mailto:WCarter at sentinel.com]
Sent: Tuesday, May 31, 2005 11:49 AM
To: Voll, Scott; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] might be a little OT about switches

I would make each IDF a VLAN/Subnet.  From Each IDF to the core, use
another VLAN like you would a Serial Interface.  Routing protocol
convergence to redundant links is very fast.

			VLAN 100  VLAN 101
				|
				Core
	|			|			|
	VLAN 20		VLAN 30		VLAN 40 ...
	|			|			|
	3560-IDF		3560-IDF		3560-IDF
	|			|			|
VLAN 200VLAN 201		VLAN300 VLAN301	VLAN400 VLAN401
	

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Voll, Scott
Sent: Tuesday, May 31, 2005 12:33 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] might be a little OT about switches

We are moving from a PBX to Cisco IPT little by little.  Each year's
budget gets us a little closer.  This year's budget I'm hoping to
replace our current switches with PoE switches, most likely 3560's.

Currently I have a 3550 12g as my LAN Core (distribution Layer)  which
star topo's to 4 IDFs.  Since I want some redundancy I'm trying do
decide on weather to go strictly layer 2 at the IDFs or maybe a layer 3
switch at the top with layer 2 switches below.  If I don't put in Layer
3 I'm stuck with spanning tree but if I put layer 3 in, I can use OSPF
from the 3550 to the IDF and spanning tree in the closet only.

Can anyone give me some pro's and con's as to why to go one way or the
other?  Other then $$$

Thanks

Scott


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