A real example from our core:
XXXXXXX-CoreX uptime is 38 weeks, 1 day, 7 hours, 49 minutes System restarted by power-on
XXXXXX>show version Cisco Internetwork Operating System Software IOS (tm) GS Software (RSP-K-M), Version 10.3(7), RELEASE SOFTWARE (fc1) Copyright (c) 1986-1995 by cisco Systems, Inc. Compiled Wed 01-Nov-95 14:07 by vatran Image text-base: 0x600087E0, data-base: 0x60530000 ROM: System Bootstrap, Version 5.3(16645) [szhang 571], INTERIM SOFTWARE ROM: GS Bootstrap Software (RSP-BOOT-M), Version 10.3(8), RELEASE SOFTWARE (fc2) XXXXXX uptime is 102 weeks, 1 day, 8 hours, 47 minutes System restarted by reload 10.3 was a fairly stable release. The longest running devices on our network are likely some DECserver 100's stuck somewhere long since forgotten. Every year or two, we get a phone call about terminals not working and it turns out the original load host for the terminal server had been upgraded several times in the last decade, and eventually retired from service. There is something to the saying "If it ain't broke, don't fix it." -- Sean Donelan, Data Research Associates, Inc, St. Louis, MO Affiliation given for identification not representation