I've tried an 11.0 version of the IOS, but i can't remember now what was
on there before to create the startup-config...

regarding interrupting the boot process...you guys will kill me, but i
can't remember the ctrl-break option on bootup.  maybe this would solve
my issue altogether?  haha...i thought it was the ctrl-shift-6-x, but if
not, i've tried ctrl-c, esc, and a few others.  can someone refresh my
memory?  i will go ahead and try another GR IOS after i send this
email...

i'm sure it's not the ram, b/c i've tried to boot up with 2 different
ram chips (one that i know is working on another box), and it still does
the same thing...

funny thing you mention the "read-only" status...this is probably what
got me into trouble in the first place.  after seeing that, i thought to
myself "hey, someone makes non-writeable flash chips?"  so, i did my
little mixing and matching of several different chips, only to find it
on other "imaged" flash chips, as well.  anyway, correct me if i'm
wrong, but i believe that the "read-only" listing is because the flash
has an image in it that takes up most of the 16megs.  in other words, i
saw it where i had 16megs of flash in another router, and the bootup
listed the first 8megs as "read only" and the 2nd 8megs as "read/write".
and that router was running version 10.x or something like that.  so
this led me to believe that only  the space taken up makes the flash
list as "read only" or "read/write", accordingly.  i put this to the
test by loading a fresh 16MB flash in a router, and sure enough, it
listed as "read/write".  after i loaded a 12.x image, it listed as "read
only."  anyway, i hope i wasn't too confusing on that explanation...

thanks for all the help, everyone.  i'm going to try another image, and
i'll post my results...

ed

-----Original Message-----
From: Circusnuts_1999 [mailto:[EMAIL PROTECTED]] 
Sent: Sunday, April 14, 2002 2:34 PM
To: 'Edward Sohn'; [EMAIL PROTECTED]
Subject: RE: 2500 won't boot...any ideas? [7:41414]
Importance: High


Ed- I'm trying to make sense of the output and your trouble shooting
steps, as explained in your E-mail.  If the 2511 did not have 11.0(10c)
ROMs, then the router would more or less hang-up when upgraded beyond
11.3 or 12.0 (I don't remember the cutoff for the 10.0 ROMs).

If the router seems to be choking with the use of 12.2, issue the Cntrl
BREAK upon bootup and reload an older IOS (say 12.0 or 12.1) to rule out
some sort of bug.  Though I have not had issues with 12.2 in my 2500s,
this code is not a GR (General Release) and most definitely could be
reacting with the FLASH and RAM "manufacturer" combination that have
going on in your 2511.

There is also a slim chance you have zapped the RAM (rare but true).

Anywho- I "believe" what you are showing us here is an issue where the
memory works fine in the 2522.  The "Read Only" seems a little weird
(after the 16 Megs FLASH), but then again...  certain versions of code
read this way and in the upgrade process automatically call for a
software reload that enables the "Read Only" to change upon coming back
up.

If I've missed the boat, please offer more info.  For better or worse, I
have probably upgraded no less than a 100 2500s and 3000s (Y2K) in the
few short years I have been working on Cisco.

All the best !!!
Phil

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] On Behalf Of
Edward Sohn
Sent: Sunday, April 14, 2002 2:39 AM
To: [EMAIL PROTECTED]
Subject: 2500 won't boot...any ideas? [7:41414]

my 2511 was working fine a few days ago with--i believe--11.0xx
software.  i created a configuration and saved it.  yesterday, i
upgraded the RAM so that i could load 12.2xx.

the router won't fully boot up, and it never goes into the config or
into rommon.  i don't get it.  again, it was working a few days ago.
unfortunately, i can't put the old chips back in b/c i overwrote them
already--ugh.  i loaded up 12.2.7 onto the flash via another router and
tried to boot it up again in the 2522...

here's the output from when i start up the router, to where it hangs...


System Bootstrap, Version 11.0(10c), SOFTWARE
Copyright (c) 1986-1996 by cisco Systems
2500 processor with 14336 Kbytes of main memory

%SYS-4-CONFIG_NEWER: Configurations from version 12.0 may not be
correctly understood.
F3: 14576440+958356+908736 at 0x3000060

              Restricted Rights Legend

Use, duplication, or disclosure by the Government is
subject to restrictions as set forth in subparagraph
(c) of the Commercial Computer Software - Restricted
Rights clause at FAR sec. 52.227-19 and subparagraph
(c) (1) (ii) of the Rights in Technical Data and Computer Software
clause at DFARS sec. 252.227-7013.

           cisco Systems, Inc.
           170 West Tasman Drive
           San Jose, California 95134-1706



Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-JS-L), Version 12.2(7b), RELEASE SOFTWARE
(fc1)
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Tue 05-Mar-02 05:10 by pwade
Image text-base: 0x030794BC, data-base: 0x00001000

cisco 2511 (68030) processor (revision M) with 14336K/2048K bytes of
memory. Processor board ID 17604021, with hardware revision 00000000
Bridging software. X.25 software, Version 3.0.0. SuperLAT software
(copyright 1990 by Meridian Technology Corp). TN3270 Emulation software.
1 Ethernet/IEEE 802.3 interface(s) 2 Serial network interface(s) 16
terminal line(s) 32K bytes of non-volatile configuration memory. 16384K
bytes of processor board System flash (Read ONLY)

00:00:09: %LINK-3-UPDOWN: Interface Ethernet0, changed state to up
00:00:09: %LINK-3-UPDOWN: Interface Serial0, changed state to down
00:00:09: %LINK-3-UPDOWN: Interface Serial1, changed state to down
00:00:27: %LINEPROTO-5-UPDOWN: Line protocol on Interface Ethernet0,
changed state to down
00:00:34: %LINK-5-CHANGED: Interface Serial0, changed state to
administratively down
00:00:35: %SYS-5-CONFIG_I: Configured from memory by console
00:00:35: %LINK-5-CHANGED: Interface Serial1, changed state to
administratively down
00:00:35: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0,
changed state to down
00:00:38: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1,
changed state to down
00:01:18: %SYS-5-RESTART: System restarted --
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-JS-L), Version 12.2(7b), RELEASE SOFTWARE
(fc1)
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Tue 05-Mar-02 05:10 by pwade
00:01:18: %SNMP-5-COLDSTART: SNMP agent on host Terminal_Server is
undergoing a cold start



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