[c-nsp] To XR or not to XR

[terry.snatinsky at sympatico.ca]

We are runing GSR IOS-XR on a lmited border platform. It's been stable but the version we are running is nearing EOL. We will be moving to another version once we certify it in our lab. You are correct that the boot time is longer but the main thing is that actual conversion and or code upgrade time. This can take up to 4 hrs to complete with all of the SMU's that may need to be added. You can get away with this in a fully meshed Core or Border perpective but from a Customer facing direction you will probably get in trouble for taking your Customers down for up to 4 hrs. 

Terry.

> From: drew.weaver at thenap.com
> To: mark at currybeast.co.uk; cisco-nsp at puck.nether.net
> Date: Wed, 19 May 2010 09:44:25 -0400
> Subject: Re: [c-nsp] To XR or not to XR
> 
> My specific plan is to wait until my next platform to switch to XR, so far on our 12810s 12.0(33)S5 has been fairly good for us.
> 
> thanks,
> -Drew
> 
> 
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Mark Wheadon
> Sent: Wednesday, May 19, 2010 9:12 AM
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] To XR or not to XR
> 
> What has been people's experience of Cisco IOS XR on the 12000 series ? 
> TAC have advised that12.0(33)S has been frozen in development and only 
> bug fixes or security fixes will be made to the code base.
> 
> I have read that XR can take substantially longer to boot compared to 
> IOS on the same hardware. XR 4 is mean't to improve the boot time.
> Flash Memory requirements have grown from 512meg of ram to 2G on the 
> latest release of software (3.9).
> TAC give the impression that XR on 12000 series hasn't been widely adopted.
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