From: Erick B. (erickbe@xxxxxxxxx)
Date: Sat Aug 04 2001 - 00:58:15 GMT-3
You need to add 'ip default-gateway' and point it to
the other router. While the router is booting up it
acts like a host until a image is loaded. I'm
currently booting a few routers this way in a lab
enviroment where the TFTP server isn't on same
segment.
HTH, Erick
--- Dan Pontrelli <dp595@optonline.net> wrote:
> If the TFTP server is not on the local segment you
> can set an ip
> helper-address on the next-hop router in order to
> have it convert the TFTP
> UDP broadcast to the unicast address of the TFTP
> server.
> For example, you might have a setup similar to the
> following:
>
>
R1(tftpclient)e0-10.0.0.1--------------10.0.0.2-e0-R2-e1-192.168.0.1--------
> -------TFTP_SERVER-192.168.0.2
>
>
> R1 has "boot system tftp 'imagename' 255.255.255.255
>
> R2 has "ip helper-address 192.168.0.2" on interface
> e0.
>
>
> R1 reboots and puts out udp broadcasts on port 69,
> hoping to find the TFTP
> server on the local segment since it is not able to
> perform any routing
> functionality at this time.
> R2 hears these broadcasts on its e0 interface and
> converts the destination
> address from 255.255.255.255 to 192.168.0.2 and
> sends the packets to the
> destination (192.168.0.2).
>
>
> Dan Pontrelli
>
>
>
> > Try 'boot system tftp (image name) (ip address).
> Is the TFTP server on a
> > local segment to the router? Otherwise, you'll
> need a default gateway
> > statement, I believe. You can't rely on a routing
> protocol or a default
> > route to download an image. Someone correct me if
> I'm wrong, but I think
> > that's how it works.
> >
> > Chuck
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> > Fred
> > Sent: Thursday, August 02, 2001 5:08 PM
> > To: Brent D. Stewart; ccielab@groupstudy.com
> > Subject: Re: boot from tftp
> >
> >
> > I'm trying to pull the system image, not configure
> file. The reason for
> me
> > download the image from tftp server is because my
> 2600 routers only have 8
> > meg of flash on them. Rommon mode will not do me
> any good cause I am not
> > download the image to the flash. When I boot up
> the router, it try to
> > access the tftp server, and I have noticed that
> the ethernet interface is
> > not up because I can't ping from the tftp server.
> After it failed, then
> it
> > just boot up the original image which sitting on
> the flash memory.
> >
> > ----- Original Message -----
> > From: "Brent D. Stewart"
> <brent@stewart.hickory.nc.us>
> > To: <ccielab@groupstudy.com>
> > Sent: Thursday, August 02, 2001 3:45 PM
> > Subject: RE: boot from tftp
> >
> >
> > > Sorry, but I have to ask:
> > > 1) Can you ping 10.1.1.1 from the router?
> > > 2) Does the file exist in the right directory?
> > >
> > > If you already have a config then you don't have
> to worry about the
> > > interface assigning itself an address. Check to
> make sure that your
> > config
> > > register isn't set wrong - should probably be
> 0x2102, if it is (for
> > > instance) 0x101 then that would explain why it
> comes up in boot (is
> > > it?-wasn't sure from your message).
> > >
> > > I can't think of any reason that, in this
> regard, a 2600 would differ
> from
> > > any other IOS router.
> > >
> > >
> > > -----Original Message-----
> > > From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> > > Fred
> > > Sent: Thursday, August 02, 2001 3:06 PM
> > > To:
> > > Subject: boot from tftp
> > >
> > >
> > > Anyone experience booting IOS from tftp server
> for 2600 routers? I put
> in
> > > "boot system IOS.bin 10.1.1.1" and then reboot,
> after it loads up
> > bootstrap
> > > then it can't find the image and boot up using
> what ever image that is
> > > already
> > > on the flash. It seen to me that the ethernet
> interface has never comes
> > up
> > > after the bootstrap loaded up. Any idea?
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