誰知道Marker protocol是做什麼用的阿?

Marker protocol目的在做什麼阿??跟LACP有什麼關係阿??

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  • Kay
    Lv 5
    1 decade ago
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    簡單來說,LACP是用來達成Trunk的,而Marker protocol是當要移除trunk成員時用來確保資料傳輸依然正確用的。

    假設link 1,2,3 trunk成Link A

    當link 3要從trunk A中移除時,系統就會發出一個Marker(依照Marker protocol),而接受端收到Marker後,便不會再將資料從link 3傳送,而改由link 1或2,如此一來,可讓資料錯誤(掉包)率下降

    The Marker protocolprovides for the controlled removal of aggregate link members of LACPenabled aggregate links. The Marker protocol assures minimum or no lossof data when removing member links.

    Marker ProtocolThe Marker Protocol includes the Marker Responder as well as the Marker Generator and Receiver for functionally correct load distribution schemes. Trunking 1.3 implements the MarkerResponder as specified in 802.3ad. The 802.3ad standard also providestwo methods to ensure that packets are not disordered when movingconversations. They are time-outs and the Marker Generator. Either a time-out can be used or the Distributor can send an explicit MarkerPDU after the last frame in a conversation. Sun uses the timeout methodwith an initial default value of 2500Us prior to moving a conversationto another link.

    Source(s): 自己&Google
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