瞭解爲什麼IP電話在重新連接到網絡後可能會凍結,以及如何識別廣播風暴、網絡循環或可能使設備處理不堪重負的異常流量狀況。
部分狀況下,原本正常運作的話機會突然無回應、按鍵鎖死、聽筒無法使用,整台設備完全凍結。重新開機無法排除問題,但拔除網路線後即可恢復正常,再次接上網路線則會再次卡死。
此異常狀況可能發生於全系列話機機種。
區域網路存在異常流量,如廣播風暴、網路迴圈或其他網路異常封包事件。當話機短時間內接收大量封包(例如每秒超過50,000個封包),會導致CPU運算壅塞,無法即時處理操作指令,進而造成系統凍結。切斷網路或修復網路異常後,設備將自動恢復正常。
1. 拔除話機網路線並重新開機,確認設備本體運作正常。
2. 檢查區網環境,排除廣播風暴、網路迴圈等異常流量問題,修復網路並確保網路環境穩定。
3. 重新接上網路線,確認話機功能恢復正常。
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