I would set the box up to syslog to see if someone is issuing the reload command. Also get a good handle on how many people have access to this box and if they have individual logins. Setup syslog and snmp traps to be collected.
But as for the reason, I recall seeing a box crash and said it was from reload, even though no one rebooted it. I'll have to look around more but I'm pretty sure you can see that in show ver and it not be a manual issue of "reload".
It couldn't hurt to also run your version of code through on CCO to see if there is a specific but you are running into. I'd also open a TAC case and if you are running older code, upgrade it.
[toc:faq]The ProblemOn traditional switches whenever we have a trunk
interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
[toc:faq]Introduction:Netdr is a tool available on a RSP720, Sup720 or
Sup32 that allows one to capture packets on the RP or SP inband. The
netdr command can be used to capture both Tx and Rx packets in the
software switching path. This is not a substitut...
IntroductionOSPF, being a link-state protocol, allows for every router
in the network to know of every link and OSPF speaker in the entire
network. From this picture each router independently runs the Shortest
Path First (SPF) algorithm to determine the b...