we got one strange problem in our ws-c6k-sup2-msfc2.it automatically rebooted and gone in rommon mode and then while rebooting it was showing nvram checksum error and failed to boot.can we erase nvram in rommon in msfc2?we can do it in msfc3 by nvram...

how to check backplain utilisation on cat6509 with sup720.there is no command to show the back.util.(switch is running on hybrid mode.)

Hi everyone,i have one imp question that suppose if i have 2 gig ports under one port channel,and if one of the active ports is fully utilised and other is say 60% utilised,what will happen then?will it drop all newly comming packet on fully utilise...

i have mrtg running in my network,is anyone aware that how to configure mrtg to send mail when an uplink goes down or come up.

not able to tracert to any host from 4506 switch however able to ping all host.