Network: July 2014 Archives

SNMP sysUpTimeInstance limit

user-pic
By Pank on July 10, 2014 12:54 AM Vote 0 Votes

sysUpTimeInstance 是 32bit 的 counter, 設備的開機時間是以 0.01 秒為單位,
能顯示最大的開機時間是 (2^32-1)/100=42949672.95 = 497 days 2:27:52.95
當設備開機超過這個時間, 32bit counter 就會 loop

替代的方式是抓 snmpEngineTime.0, 這是指 snmpEngine 的 uptime, 單位秒,
通常等同開機時間, 除非 SNMP 服務有被重啟

Create Entry
« Network: April 2014 | Blog Home | Archives | Network: August 2014 »

Recent Entries

Recent Comments

About this Archive

This page is an archive of entries in the Network category from July 2014.

Network: April 2014 is the previous archive.

Network: August 2014 is the next archive.

Find recent content on the main index or look in the archives to find all content.

Network: Monthly Archives

Categories

Monthly Archives