I noticed one of my 2950 both switches is restarting from time to time, the both are performing purely as layer 2, vlans are configured on both switches and propagated through the trunk ports, the switches are both in transparent mode. one of them is usually resarting after each 5 to 7 hours, when i issue the (sh logg) command on the switch the output as follows:
00:00:17: %SYS-5-CONFIG_I: Configured from memory by console
00:00:18: %LINK-5-CHANGED: Interface Vlan1, changed state to administratively do
00:00:18: %SYS-5-RESTART: System restarted --
Cisco Internetwork Operating System Software.
Is it because of loops?? spantree is enabled on it?
STP loop alone should not lead to restart of switch especially in small network. IF STP is enabled on first place there will be no loop till the time you have played with mis configuration and bad design which i do not think you have as per your explaination.
Can you post the complete sh version which may give an idea of restart reason.
Also check for sh proc cpu if any process is hitting a high cpu?
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