[c-nsp] Boot from TFTP

[Scott Voll]

Thats what I was forgetting...... I knew there was was something.  I'll see
if I can find a Boot helper image to replace the full blown one that is
currently on the flash.

Thanks

Scott

On Fri, Jun 24, 2011 at 1:47 PM, Juergen Marenda <jm at ilk.net> wrote:

>
> You need some RAM...
> The (first) image in FLASH will be loaded started and uncompresses itself.
> It reads the config file and, after configuring some of the interfaces,
> loads the indicated IOS thru tftp into RAM to uncompress and start it.
>
> So you need RAM for two IOS's unziped...
> or a smaller, older, not full-featured Image for booting purposes
> (for some mashines exist boot-helper images).
>
> Why dont you
>
> - boot device
>  and get ip address
>  ...int gig 0/0
>  ip address dhcp
>  no shut
> - ping tftp server
> (ok)
> - format flash:  to clear it
>  or delete some big files (not the vlan.dat ) to make sufficient space
>  for the wanted IOS
> - copy tftp:/ip/file flash:/file
> - reload from flash
> - (probably you want to delete or update the LIST of boot system and boot
> config
>   cammands, if there is more than 1 of each they all will get executed.)
>
> > -----Original Message-----
> > From: cisco-nsp-bounces at puck.nether.net
> > [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Scott Voll
> > Sent: Friday, June 24, 2011 10:24 PM
> > To: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] Boot from TFTP
> >
> > OK... I'm in a pinch and I need to upgrade a 2821 to a newer
> > ISO and don't
> > have time to get a new Flash card.
> >
> > So i'm trying to boot from TFTP.  But I keep getting a file
> > to large error
> >
> > %DHCP-6-ADDRESS_ASSIGN: Interface GigabitEthernet0/0 assigned
> > DHCP address
> > 10.14.1.53, mask 255.255.255.0, hostname Router
> >
> > %SYS-6-READ_BOOTFILE_FAIL: tftp://
> > 10.14.1.108/c2800nm-advipservicesk9-mz.151-3.T1.bin File read
> > failed -- Not
> > enough space.
> >
> > %SYS-6-READ_BOOTFILE_FAIL: tftp://
> > 10.14.1.108/c2800nm-advipservicesk9-mz.151-3.T1.bin File read
> > failed -- Not
> > enough space.
> >
> > %SYS-6-READ_BOOTFILE_FAIL: tftp://
> > 10.14.1.108/c2800nm-advipservicesk9-mz.151-3.T1.bin File read
> > failed -- Not
> > enough space.
> >
> > %SYS-3-IMAGE_TOO_BIG: 'tftp://
> > 10.14.1.108/c2800nm-advipservicesk9-mz.151-3.T1.bin' is too large for
> > available memory (51691544 bytes).
> > %SYS-6-READ_BOOTFILE_FAIL: tftp://
> > 10.14.1.108/c2800nm-advipservicesk9-mz.151-3.T1.bin File read
> > failed -- Not
> > enough space.
> >
> >
> > Config looks like this:  boot system tftp://
> > 10.14.1.108/c2800nm-advipservicesk9-mz.151-3.T1.bin
> >
> > Memory needed is 512mb  I have "Cisco 2821 (revision 53.50) with
> > 776192K/10240K bytes of memory."  so I should have enough ram.
> >
> > What am I missing?
> >
> > Scott
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> >
>
>