[cisco-voip] UPPERCASE lowercase host names

[Ryan Huff]

I figured something was in there, just didn't spend a lot of time lol ... touché Anthony, touché


Anthony +1 : Ryan -1


= Ryan =



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________________________________
From: avholloway at gmail.com <avholloway at gmail.com> on behalf of Anthony Holloway <avholloway+cisco-voip at gmail.com>
Sent: Thursday, February 11, 2016 11:32 AM
To: Ryan Huff
Cc: Randall Saborio; Matthew Collins; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] UPPERCASE lowercase host names

Ryan, your bug search tool game is weak  ;)

https://tools.cisco.com/bugsearch/bug/CSCuh84795

On Thu, Feb 11, 2016 at 8:19 AM, Ryan Huff <ryanhuff at outlook.com<mailto:ryanhuff at outlook.com>> wrote:

Matt,


There have been cases (CWMS as you note), where lowercase is specifically required. I think UCCX may have some hostname casing stipulations as well. Couldn't find anything relevant in the BugKit (not to say it isn't there).


That said, your recollection may be from advice/reading that was an extension of pragmatic behavior of Linux system operators. Those who start to work with Linux initially think that two different scancodes to represent the same ASCII character is neat trick but after some time, they are wittled down by the Penguin and adopt standard practice for character representation; lowercase generally wins because it usually means the same in every OS.

When it comes to Linux, and by extension Cisco UCOS, I just adopt the "lowercase-single-word-no-funny-characters" mantra.


Thanks,

= Ryan =



Email: ryanhuff at outlook.com<mailto:ryanhuff at outlook.com>

Spark: ryanhuff at outlook.com<mailto:ryanhuff at outlook.com>

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________________________________
From: cisco-voip <cisco-voip-bounces at puck.nether.net<mailto:cisco-voip-bounces at puck.nether.net>> on behalf of Randall Saborio <ill2029 at gmail.com<mailto:ill2029 at gmail.com>>
Sent: Thursday, February 11, 2016 9:06 AM
To: Matthew Collins
Cc: cisco-voip at puck.nether.net<mailto:cisco-voip at puck.nether.net>
Subject: Re: [cisco-voip] UPPERCASE lowercase host names

Hi Matthew,

I think you could be referring to a restriction that was pre CM 4.x. But from CM 5.x I think it just matters to make it consistent. Where I think it could be a problem is if let's say you have a system with hostname in uppercase and proper DRF backup. Then due to system failure, you need a DRF restore but during install you use the hostname in lowercase, then I think you will have problems.

Regards,

Randall "da ill" Saborio
CCIE Voice Wannabe #10054675811

On Thu, Feb 11, 2016 at 5:48 AM, Matthew Collins <mcollins at block.co.uk<mailto:mcollins at block.co.uk>> wrote:
Hi All,

I'm sure I read somewhere on a Cisco Doc that all UC hostname should be set up using lowercase name. But I can't seem to find anything documented with the exception of CWMS documents.

Can anyone clarify this and hopefully point me to a relevant document.




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