- 1、本文档共8页,可阅读全部内容。
- 2、原创力文档(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
- 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
Dynamic Stateless GRE Tunnel动态无国籍GRE隧道
Dynamic Stateless GRE Tunnel Li Xue Dayong Guo * Problem Statement GRE Tunnel GRE Tunnel Internet Provider DHCP Server NPE CPE In MSO or mobile hotspot scenario, the GRE tunnels between CPEs and the NPE are established to carry user data. Auto-configuration and dynamic management are required for large numbers of CPEs to discover the address of NPE and for NPE to configure GRE tunnel. DHCP(v6) option is extended to support NPE discovery * Dynamic GRE Tunnel NPE discovery on CPE To set up a GRE tunnel, a CPE send a DHCP Request to get the NPE address and other tunnel parameters such as GRE Key, Version, Protocol Type The DHCP GRE Discovery (GD) Option is defined in the following page. Establishment Phase For CPE, the GRE tunnel is set up after receiving DHCP GD Option. When NPE receives the packet with GRE encapsulation with a new client address, the NPE can records the assigned UEs address, which is the inner address of GRE encapsulated packet . Keepalive Phase If there is no data packet for a period of time, the NPE will tear down the tunnel and release the resource. * Procedure (NPE) (DHCP Server) (CPE) Encap/Decap User Packet in GRE Encap Encap/Decap. Keepalive Packet in GRE Encap Keepalive Phase Establishment Phase DHCPv4 Request DHCPv4 Reply with y.y.y.y CM IPv4-x.x.x.x CMTS Dynamic Stateless GRE Tunnel in MSO WLAN Network SG IPv4-y.y.y.y Preliminary Phase (Discovery) Tunnel Client List Config. * DHCPv4 GRE Discovery Option Code: TBD Ver: The version number of GRE protocol, contained in GER header. Reserved: This field is reserved for future use. Protocol Type: The Protocol Type Field contains the protocol type of the payload packet. NPE Address: NPE IPv4 Address, the endpoint of GRE tunnel. * DHCPv6 GRE Discovery Option Code: TBD Ver: The version number contained in GER header. Reserved: This field is reserved for future use. Protocol Type: The Protocol Type Field contains the protocol type of the payload packet. NPE Address: NPE IPv6 Addre
您可能关注的文档
- 2016版新人教版一年级语文上册新版小学语文一年级上册.ppt
- 2017年修订版商业地产高效招商技能与营运管理实战课件.ppt
- 2016部编人教版一年级语文上册汉语拼音第5课汉语拼音gk.ppt
- 2017年人教版小学一年级下册语文课文10.端午节生字课件.ppt
- 2017高考大纲词汇复习.ppt
- 2017年度工作总结报告动态PPT模板.ppt
- 2018年中考语文总复习课件第三篇 古诗文阅读 专题一 .ppt
- 2018学年人教版一年级道德与法治下册7 可爱的动物 PPT.ppt
- 2018动态高端销售顾问年终总结暨新年工作展望PPT模板.ppt
- 2018年浙江中考语文复习课件2文言文特殊句式 (共33张P.ppt
- 第十一章 电流和电路专题特训二 实物图与电路图的互画 教学设计 2024-2025学年鲁科版物理九年级上册.docx
- 人教版七年级上册信息技术6.3加工音频素材 教学设计.docx
- 5.1自然地理环境的整体性 说课教案 (1).docx
- 4.1 夯实法治基础 教学设计-2023-2024学年统编版九年级道德与法治上册.docx
- 3.1 光的色彩 颜色 电子教案 2023-2024学年苏科版为了八年级上学期.docx
- 小学体育与健康 四年级下册健康教育 教案.docx
- 2024-2025学年初中数学九年级下册北京课改版(2024)教学设计合集.docx
- 2024-2025学年初中科学七年级下册浙教版(2024)教学设计合集.docx
- 2024-2025学年小学信息技术(信息科技)六年级下册浙摄影版(2013)教学设计合集.docx
- 2024-2025学年小学美术二年级下册人美版(常锐伦、欧京海)教学设计合集.docx
文档评论(0)