After a couple of off-line emails I think the concensus is that the MAC's are on the RP/RSP but part of the backplane of the 7500!!!!!
Dave MADMAN wrote: > > The Reason I think the 7000 is the same is back when they first came > out in 95 I had installed one. One of the ethernet IP cards went bad. > Got a replacement and I installed it. I then noticed the MAC was the > same which thru me off and I thought I reinstalled the wrong card, put > the original card back in, same MACs. I then learned, after digging, > that the MACs were derived from a chip on the backplane. Don't have a > URL to prove anything though just my memory which can be hit or miss;) > > Dave > > > > Daniel Cotts wrote: > > > > The RSP7000 contains the following components: > > A bank of hardware (Media Access Control [MAC]-layer) addresses for the > > interface ports > > sniped from: > > > http://www.cisco.com/univercd/cc/td/doc/product/core/cis7000/7000_him/7000po > > vr.htm#xtocid1950512 > > > > I can't find proof - but suspect that Dave is thinking of the 7507 which > can > > have two RSPs. Associating the MAC addresses with the chassis makes sense > in > > that case. > > > > So it appears that we are back to Paul's original question. BTW is the chip > > in question soldered on the circuit board? My thought is that if it is > > removable then one could be sent to Paul to copy. > > > > > -----Original Message----- > > > From: MADMAN [mailto:[EMAIL PROTECTED]] > > > Sent: Thursday, December 13, 2001 11:57 AM > > > To: [EMAIL PROTECTED] > > > Subject: Re: MAC Cookie problems with RSP7000 in a 7000 > > > router [7:29098] > > > > > > > > > If I remember correctly the 7000's maintained the MAC addresses for > > > any potential interface cards on the Dallas chip that is part of the > > > backplane. This way when you replace a line card the MAC > > > address stayed > > > the same. > > > > > > Dave > > > > > > Paul Lalonde wrote: > > > > > > > > Hi, > > > > > > I've recently installed an RSP7000 upgrade kit into an > > older 7000-series router. It appears that the EEPROM that maintains the > MAC > > address table for this unit has gone south. The archives mentioned that > the > > RSP7000 would need to be replaced. Is there an easier way? > > I have access to EEPROM programming equipment.. could this be easily > > rectified on my own? > > Paul Lalonde > -- > David Madland > Sr. Network Engineer > CCIE# 2016 > Qwest Communications Int. Inc. > [EMAIL PROTECTED] > 612-664-3367 > > "Emotion should reflect reason not guide it" -- David Madland Sr. Network Engineer CCIE# 2016 Qwest Communications Int. Inc. [EMAIL PROTECTED] 612-664-3367 "Emotion should reflect reason not guide it" Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=29204&t=29098 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

