From: Jason Sinclair (sinclairj@powertel.com.au)
Date: Sun Jan 05 2003 - 22:31:41 GMT-3
Joe,
Certain Sun machines exhibit this same behaviour when connected to a term
server. I believe it is induced by DTR being dropped or asserted when power
is lost. I have never heard of this in Cisco devices, however there seems to
be a correlation between the two. The way to prove what is happening is to
get a break out box and see what your individual pins are doing. If DTR is
being dropped when power is lost and this drops the router into rommon, then
that could be your problem. Also check that the break key has effect is
disabled in rommon.
Cheers,
Jason Sinclair CCIE #9100
Manager, Network Control Centre
POWERTEL
55 Clarence Street,
SYDNEY NSW 2000
AUSTRALIA
office: + 61 2 8264 3820
mobile: + 61 416 105 858
email: sinclairj@powertel.com.au
-----Original Message-----
From: Joe [mailto:groupstudy@comcast.net]
Sent: Saturday, 4 January 2003 14:18
To: 'Tony Schaffran'
Cc: ccielab@groupstudy.com
Subject: RE: booting into rommon
0x2102
I suspect that somehow the cable or headshell is triggering a break that
causes it to go into rommon, but that sounds strange. I've disconnected
it and I'll see what happens the next few times.
Joe
-----Original Message-----
From: Tony Schaffran [mailto:tschaffran@cconlinelabs.com]
Sent: Thursday, January 02, 2003 11:22 PM
To: 'Joe'
Cc: ccielab@groupstudy.com
Subject: RE: booting into rommon
When you do a sh ver, what is the config register set to?
Tony Schaffran
Network Analyst
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE
CCOnlineLabs.com
http://www.cconlinelabs.com
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Joe
Sent: Thursday, January 02, 2003 7:41 PM
To: ccielab@groupstudy.com
Subject: OT: booting into rommon
I have noticed that if I leave a console cable connected into my 2509
when I power it up, it frequently boots into ROMMON. The other end is
connected to a Cisco headshell that is plugged into a PC that's powered
off, just there in the event that I can't telnet in to the 2509. I
don't believe there's a hardware problem since I can just type 'boot' at
the ROMMON prompt and away it goes to a successful boot. Has anyone
seen this kind of behavior?
Joe
.
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