H31-211 – Huawei Certified Network Associate - HCDA (Carrier IP)

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  The owner of Virtual IP address always uses 0 as running priority despite of its configured priority.

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  The owner of Virtual IP address always uses 255 as running priority despite of its configured priority.

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  When the master of VRRP stop running VRRP, the router will send a VRRP notification packet whose priority field is 0.

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  A router with VRRP priority 0 will not take part in master election and can permanently act as slave.
  
  

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  LCP (Link Control Protocol)

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  PPP extension protocol

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  PPPOE

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  NCP (Network Control Protocol)
  
  

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  Broadcast in LAN can affect all nodes.

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  Broadcast is not used in IPv6.

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  The definition of broadcast in the IPv6 network is pending.

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  Broadcast, as a basic mechanism, is used in various IPv6 operations.