[cisco-voip] 7965G delays registering on SCCP v9 firmware

[Ryan Ratliff (rratliff)]

All recent loads actually use http for tftp operations. It is over tcp port 6970 so isn't super obvious.  

To the problem I'd definitely look at a packet capture on both ends. Any devices doing wan acceleration or inspection?

Sent from my iPhone

On May 13, 2012, at 12:32 PM, "Jason Aarons (AM)" <jason.aarons at dimensiondata.com> wrote:

> This seems normall But tftp time is tied directly to latency delay as every packet is acked, and 512k max packet size. 
> 
> Peer firmware sharing and load server could help.
> 
> What exact version 8x to 9x?
> 
> Hopefully the switch to https or is around the corner. Tftp is great with small files but not large phone loads. The VIP12/30 had smaller loads.
> 
> Sent from my Android phone using TouchDown (www.nitrodesk.com)
> 
> -----Original Message----- 
> From: Aaron Riemer [ariemer at amnet.net.au]
> Received: Sunday, 13 May 2012, 2:36am
> To: cisco-voip at puck.nether.net [cisco-voip at puck.nether.net]
> Subject: [cisco-voip] 7965G delays registering on SCCP v9 firmware
> 
> 
> 
> Hey guys,
>  
> We are gradually upgrading our fleet of 7965G's to SCCP v9 software from v8.
>  
> We have found an issue at remote sites (higher latency) where phones (with any 9.x firmware) are taking upward of 10-20 minutes to register! This delay seems to only occur when a full power off / power on occurs.
>  
> Downgrade the phones back to v8.x and whola! No problem.
>  
> We are going to try and simulate this in the lab with a WAN sim and then probably get TAC involved. I suspect it has something to do with the extra latency involved but as mentioned we have had no trouble with v8.x software.
>  
> Has anyone come across this problem? It seems a bit oddball I know.
>  
> Any hints or suggestions are most welcome.
>  
> Thanks,
>  
> Aaron.
> 
> 
> itevomcid
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