Since Layer 2 can either be a 3750 or a ESW, you need at least 1 or 2 HQ phones off of the 3750. To simulate the ESW, you can get a 3550 for the basic fact that the port REQUIRES trunking in an ESW and on the 3550. I didn't get into the QoS differences. If you can swing 2 or 3 drops off the 3750 (1 or 2 for phones and the other for trunk), then that should be sufficient.
My 2 pennies. From: ccie_voice-boun...@onlinestudylist.com [mailto:ccie_voice-boun...@onlinestudylist.com] On Behalf Of Jeff Garvas Sent: Saturday, August 01, 2009 10:55 AM To: OSL Group Subject: [OSL | CCIE_Voice] Where to start I've been putting off the lab for various reasons but finally bought the V1 workbooks last week. Now that I have the first volume at my finger tips I'm curious how those of you who have been here for awhile started your studying? I've printed out the entire SRND just because I do better reading from paper at times. I'm curious, when its said to "know the SRND" to what extent are we talking about? On a technical note, I have a 3750 switch that is about 100 cable feet away from where I'm going to have my phones and limited runs of ethernet. For those of you who have progressed through the V3 labs should I focus on the phones being plugged directly into the 3750 or can I use a 3560 at the desk trunked off the 3750? I'm concerned there may be 3750 specific QoS or port-level trusting that expects the phones to be direct connected to a 3750 vs a 3560 and I'd rather not read ahead in the labs to answer this question if someone here can. (My lab is racked in a data center for power/cooling) Any tips from those of you on how you wished you had started I'm open to hearing. I've probably been lurking here for over a year, reading the blogs of many of you here since the last few phases of the V2 exams. I have a history of working with 4.1.3 and 6.1.2 with both MGCP and H.323 endpoints, some UCCx scripting, Unity, etc for the past 3-4 years. Limited exposure to CME/CUE. Thanks, -Jeff Garvas
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