Medium/media access control address conflict detection method, device and system
A medium access control and conflict detection technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve problems such as attacks, Layer 2 switches mis-send service response interaction packets, and network devices cannot access the network normally. Achieve the effect of avoiding MAC address conflicts, reducing the risk of network attacks, and ensuring normal access
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[0047] The invention discloses a network device as a network access initiation side. The network device includes: a request message sending unit and a MAC address generating unit, wherein,
[0048] The request message sending unit is configured to send a MAC address conflict detection request message to a target multicast address before the network device accesses the network, and the request message carries the current MAC address of the network device;
[0049] The MAC address generation unit is configured to generate a new MAC address according to the received MAC address conflict detection response message.
[0050] The MAC address generating unit is specifically configured to generate a new MAC address according to the MAC address prefix sent by the router and the locally randomly generated index value.
[0051] The invention also discloses a network device as the network access response side, such as figure 1 As shown, the network device includes: a MAC address extraction...
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