  (IP: GRE ȥͥ over IP)
  ȥͥ󥰤Ȥϡץȥ롦פΥǡ̤Υץ
  ȥ˥ץ벽ơΥѥåȤ򡢥ץ벽
  ץȥ򤹤̤ͥ뤳Ȥ򤤤ޤ
  üʥȥͥ󥰡ɥ饤ФǤ GRE(Generic Routing
  Encapsulation --- ѥ롼ƥ󥰤Υץ벽)
  ꡢޤλ IPv6 Υե IPv4 IPv6 Υץ
  벽ԤȤǤޤΥɥ饤Фϡ(endpoint) 
  Cisco 롼ǤΩޤCisco ¾ Linux 
  ȥͥ롦ɥ饤(Ҥ "IP: ȥͥ") GRE 
  ΤǤ˲äGRE Ǥϥȥ̤ͥƥޥ㥹
  ȤԤȤǤޤ

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