hang router cisco 7507

[mmahuvagara]

we have cisco 7507 router which down rendomly,

but now a days frequency is increased.

when it is down no lighting LED was there except two SMPS LED

near switch .we restore it by restart the two power supply of 7507.

we have already check the main UPS POWER.

what is the couse of it, give me the solution of it on my mail?

[wong34539]

There are various reasons for it. Has any software or configuration change been done. Most common fix ix to reset and upgrade the router's IOS version .