Password recovery procedure does not work on a Cisco C6509

Question: I have a Catalyst 6509-E Sup-720 3B; I want to reset the enable password on it. I follow the step-by-step procedure described in Cisco.com but when the switch boots it does not ignore the start-up configuration even though I set the confreg to 0x2142

Answer: I think you start your procedure too early. You should wait till RP gains control of the switch console and then initiate the break sequence.

So power-off your switch, power it on, wait for the following syslog message and then start the procedure:

%OIR-6-CONSOLE: Changing console ownership to route processor

Manula IOS upgrade of Cisco switch stacks (CBS3130)

Question: I have a stack of 4 C3130 switches want to upgrade the IOS, when I put the new image in flash and reload the switch I see that only the master switch comes up but the other 3 not. How can I upgrade the IOS manually for these 4 switches?

Answer: To manually upgrade your stack with a new IOS image you have to follow these steps:

1- Copy the image to the flash of all stack members ( and also the master):
copy tftp: flash1:
( flash2: and so on...)

2- Make sure that the new image file exists in all flashes
dir flash1:
( flash2: and so on...)

3- Use the boot system command to tell all stack members to boot from your new image file. This is the tricky part cuz you normally do not use this way in a single stand-alone switch:
boot system switch all flash:imagename

If Index used by SNMP (linkDown Trap)

Question: I receive this trap in my trap receiver:

Tue Feb 03 13:49:14 2009 SWITCHNAME- Cisco Agent Interface Down (linkDown Trap) on interface id;nr .1.3.6.1.6.3.1.1.5.3.1.3.6.1.4.1.9.1.283 0

How can I figure out which interface sends this trap?

Answer: In your switch you can use the following command to find out which interface has which index:

sh snmp mib ifmib ifindex