[cisco-voip] ISR 2800 support in new CUCM 8.6 (and future 9.x) clusters

[Lelio Fulgenzi]

Try: show platform 

It should give you something like this near the end: 



Dimm 0 SPD data : 
Size of dimm = 512 Megabytes 
<snip> 
Dimm 1 SPD data : 
Memory Slot Empty 

RTC chip is DS1337 


Regarding upgrading or refresh, Cisco makes the bundles quite competitive, and depending on your SRST requirements, you might be able to get a smaller router and accomplish the same things, saving money. It's a little like your old car, how much money do you put into it before you decide to buy a new one. In actuality, in this case, it's easier, the router is EOL and won't support new SRST versions. Period. (grrrrr). 

I am confused with what you mean by the minimum SRST for CUCM. SRST and CUCM are not tightly connected as far as I know. What dictates what version of SRST you need is based on things like CUE (if installed), phone load version, and IOS version. 

Hope that helps 

--- 
Lelio Fulgenzi, B.A. 
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1 
(519) 824-4120 x56354 (519) 767-1060 FAX (ANNU) 
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 
Cooking with unix is easy. You just sed it and forget it. 
- LFJ (with apologies to Mr. Popeil) 


----- Original Message -----
From: "Ruben Montes (Europe)" <ruben.montes at dimensiondata.com> 
To: "cisco-voip at puck.nether.net" <cisco-voip at puck.nether.net> 
Sent: Wednesday, November 9, 2011 5:07:43 AM 
Subject: [cisco-voip] ISR 2800 support in new CUCM 8.6 (and future 9.x) clusters 




Hi, 



I’m upgrading customer’s CCM 4.x cluster to CUCM 8.6. They’re using 28xx with SRST. In the compatibility guide it says we should go to, at least, SRST 8.6 for CUCM8.x. So I need to upgrade to 15.1(4)M, which requires more RAM that we have now. Is there any way to know from the CLI the DIMMs that are being used so I know if I should to buy 512DRAM DIMMs or 256DRAM DIMMs? 



If you have faced this same scenario and as 28xx have been EoS on 1/11/11, do you think it is worth invest in DRAM and CF upgrade for this platform? Last SRST version (8.8) does not support 28xx and I think the same will happen soon with IOS. Also, we can have “inside” the 28xx some old cards already in the last stages of their lifecycle like VWIC first generation, PVDM2, AIM-CUE etc. 



Then, upgrade or refresh with new 29xx? What’s your opinion (let’s leave apart the economic question J ? 



Thanks, 



Ruben 




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