[c-nsp] 75MB native IOS image over tftp via OS X

[Jason.plank at comcast.net]

The problem isn't the sup its the tftp client. There may be settings you can change on the client or you may need to use a duffrent tftp server.
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-----Original Message-----
From: Jason Lixfeld <jason at lixfeld.ca>

Date: Wed, 9 Jan 2008 00:49:50 
To:cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] 75MB native IOS image over tftp via OS X


On 9-Jan-08, at 12:29 AM, Garry wrote:

> Jason Lixfeld wrote:
>> So I'm having a heck of a time trying to get a big file onto  
>> either  the bootflash or disk0 of a SUP720.  The tftp never  
>> finishes and spits  an error back (can't present the error message  
>> at the moment).
>
> I have something in the back of my mind where TFTP was limited to 32  
> megs ... can't remember though if it was the specific TFTP server  
> used, or a general limit in the tftp protocol ... does CatOS support  
> scp?

Wikipedia - "The original protocol has a file size limit of 32 MB,  
although this was extended when RFC 2347 introduced option  
negotiation, which was used in RFC 2348 to introduce block-size  
negotiation in 1998 (allowing a maximum of 4 GB and potentially higher  
throughput). If the server and client support block number wraparound,  
file size is essentially unlimited."  I'd like to assume that Cisco  
and/or Apple aren't using the original protocol specifications from  
RFC783 or RFC1350, but based on some other feedback, it seems that one  
or the other may in fact be guilty, but I don't have the means to test  
that theory.

Sadly, CatOS 8.5 doesn't seem to support scp.

I managed to get rsh working on my laptop, which seemed at the time to  
be far easier than trying to figure out why the Sup wouldn't FTP the  
image off my laptop either *sigh*.
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