From: Jay Hennigan (jay@west.net)
Date: Fri Apr 18 2003 - 04:03:34 GMT-3
On Fri, 18 Apr 2003, Richard Danu wrote:
> Hi,
> I just installed another serial module in my 4000 series, and with IOS 12.2
> I get 2 various "methods" on my serial interfaces.
> Is there a way to change the methods from TFTP or Unset to NVRAM? I believe
> the method of TFTP is the cause of the annoying intermittent Error Boot TFTP
> <ipaddress> messages. "no service config" only works per uptime, and back to
> normal after a reload.
If you issue a "shutdown" and write memory, they'll show admin down NVRAM.
I believe that if there's nothing connected to them (interface down/down)
on boot at first install they will automatically come up as NVRAM admin
down.
What is happening in your case is that a router with no config is booted
with an "up" interface, it will by default look for a TFTP autoconfig
server on said interface(s).
For example, if your ethernet interface(s) were connected to a switch or
hub on boot with no config, they too would be TFTP up, and spewing the
config not found error noise, slowing boot time, etc.
Either disconnect the serial cables on boot after write erase, or tftp over
a config that's blank except for a "no service config" line before reloading.
> Interface IP-Address OK? Method Status
> Protocol
> Ethernet0 170.1.1.254 YES NVRAM administratively down
> down
> Ethernet1 192.168.1.3 YES NVRAM administratively down
> down
> Serial0 unassigned YES TFTP up
> up
> Serial1 unassigned YES TFTP up
> up
-- Jay Hennigan - CCIE #7880 - Network Administration - jay@west.net NetLojix Communications, Inc. - http://www.netlojix.com/ WestNet: Connecting you to the planet. 805 884-6323
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