GA»Æ½ð¼×

¡°¼«¼ò¡±»ÀР¡¤ È«ÓòÖÇÁª Ø­ GA»Æ½ð¼×м«¼òÁ캽ÏÂÒ»´úÐ£Ô°Íø½¨Éè×êÑлá
date
Ô¤Ô¼Ö±²¥
ÎÞ¸Ð×¼Èë ÈËÎïͳ¹Ü Ø­ RG-SAM+5.X ÐÂÒ»´ú¸ßУAIÈÏ֤ƽ̨°ä²¼
date
Ô¤Ô¼Ö±²¥
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
²úÆ·
< ·µ»ØÖ÷²Ëµ¥
²úÆ·ÖÐÐÄ
²úÆ·
½â¾ö¹æ»®
< ·µ»ØÖ÷²Ëµ¥
½â¾ö¹æ»®ÖÐÐÄ
ÐÐÒµ
ºÏ×÷ͬ°é
·µ»ØÖ÷²Ëµ¥
Ñ¡ÔñÇøÓò/˵»°
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾ GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

SRv6ÐÂÒ»´úIP³ÐÔØºÍ̸

¡¾SRv6¡¿±¾ÎÄÖØÒªÊǶÔSRv6¼¼Êõ½øÐнéÉÜ£¬SRv6»ùÓÚIPv6ת·¢£¬Ëæ×ÅIPv6´ó¹æÄ£²¿Êð£¬SRv6¼¼ÊõÒ²½«¼±¾ç·¢Õ¹¡£SRv6½«À´½«ÈôºÎÑݽø£¬SRv6ÄÜ·ñÔÚ½«À´ÍøÂçÖÐÕ¼¾ÝÖ÷µ¼Ö°Î»£¬ÈÃÎÒÃÇÊÃÄ¿ÒÔ´ý¡£

  • GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

    °ä²¼¹¦·ò£º2022-04-02

  • GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

    µã»÷Á¿£º

  • GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

    µãÔÞ£º

·ÖÏíÖÁ

GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

ÎÒÏëÆÀÂÛ

1 SRv6ÐÂÒ»´úIP³ÐÔØºÍ̸
1.1   SRv6¸ÅÊö
SRv6£¨Segment Routing IPv6£¬»ùÓÚIPv6ת·¢Æ½ÃæµÄ¶Î·ÓÉ£©ÊÇSR¼¼ÊõÔÚIPv6ת·¢Æ½ÃæµÄÀûÓá£SRv6ÓµÓÐÓÅÁ¼µÄ¿ÉÀ©´óÐÔ£¬¿ÉÄÜÂú×ãSDN£¨Software Defined Networking£©ÖÇÄÜÍøÂç¶Ô·ÓɽýݽÚÔìµÄÐèÒª¡£SRv6»¹Äܹ»¼ò»¯ÍøÂçºÍ̸£¬½µµÍÍøÂçÖÎÀí¸´ÔÓ¶È£¬¿ÉÄܸüºÃµÄÓ¦¶Ô5G·¢Õ¹µÄÌôÕ½¡£


1.2   SRv6²úÉú²¼¾°
Ëæ×ÅÍøÂç¹æÄ£µÄ²»ÐÝÀ©´óÒÔ¼°5G¡¢Öǻ۳ÇÊеÈÐÂÒµÎñµÄ²»ÐݳöÏÖ£¬´«Í³µÄIPv4ºÍMPLSÍøÂçÃæ¶ÔÖî¶àÎÊÌ⣬ÀýÈ磺

  • ¡ñ    ¶àºÍ̸²¢´æ£¬ÖÎÀí¸´ÔÓ

MPLSÊÇÔÚÔ­ÓÐIP¼¼ÊõµÄ»ù´¡Éϵþ¼Óм¼Êõ²úÉúµÄ£¬Ëü½â¾öÁËÖîÈç·ÓɸôÀë¡¢´ó¹æÄ£×éÍø¡¢Á÷Á¿¹¤³ÌµÈÎÊÌâ¡£¾­¹ý20¶àÄêµÄ·¢Õ¹£¬MPLS¹ÌȻͳһ³ÐÔØ¸÷ÀàºÍ̸£¬µ«ÔÚÖ§³ÖÓâÔ½·ÖÆç×ÔÖÎÓòµÄVPNʱ£¬É豸ÖпÉÄÜͬʱÔËÐÐLDP¡¢RSVP¡¢IGP¡¢BGPµÈºÍ̸£¬µ¼ÖÂÒµÎñ²¿ÊðºÍÖÎÀí¸´ÔÓ¡£IPv4ºÍMPLSÍøÂçÒѾ­²»ÊʺÏ5GµÈ´ó¹æÄ£ÒµÎñµÄ²¿Êð¡£
ͼ1-1    MPLS³ÉÁ¢¿çÓòÒµÎñ
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

  • ¡ñ    MPLS²»×ãÀ©´óÄÜÁ¦

µ±Ç°Ò»Ð©ÐÂÒµÎñ£¨Èç5G¡¢ÎïÁªÍøºÍÔÆ£©ÒªÇóÍøÂç¾ß±¸¿ÉÀ©´óÄÜÁ¦¡£È»¶øMPLS±êÇ©³¤¶È¹Ì¶¨Ö»ÓÐ20±ÈÌØ£¬²¢ÇÒ±ê¾ßÃû¶Î¹Ì¶¨£¬²»³ÉÀ©´ó£¬ÎÞ·¨Âú×ãÐÂÒµÎñµÄ¿ÉÀ©´óÐèÒª¡£
ͼ1-2    MPLS±êÇ©½á¹¹
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

  • ¡ñ    IPv4ÍøÂçµØÖ·ºÄ¾¡

IPv4µÄµØÖ·ÒѾ­²»¹»Ó㬹ÌÈ»¹æÄ£»¯²¿ÊðIPv6ÊÇÍøÂç·¢Õ¹Ç÷Ïò£¬µ«IPv6ÈôºÎ´úÌæ´«Í³µÄIPv4ºÍMPLSÍøÂçÈÔÊÇÍøÂç¼¼Êõ×êÑеÄÈȵã¡£
SRv6¼¼ÊõµÄ³öÏÖ½â¾öÁËÉÏÊöÎÊÌâ¡£


1.3   SRv6ÓÅÊÆºÍ¼ÛÖµ

  • ¡ñ    ¼ò»¯ºÍ̸£¬ÖÎÀíµ¥Ò»

SRv6³ÉÁ¢¿çÓòÒµÎñʱ£¬²»ÔÙʹÓÃLDP¡¢RSVPºÍ̸£¬Ò²²»±ØÒªMPLS±êÇ©£¬Ö»Ð轫һ¸öÓòµÄIPv6·ÓÉͨ¹ýBGP4+£¨MP-BGP¶ÔIPv6µ¥²¥ÍøÂçµÄÖ§³Ö¸öÐÔ£©ÒýÈëÁíÒ»¸öÓò£¬Ö»ÓзÓɿɴï¾Í¿ÉÄÜʵÏÖÒµÎñ¿É´ï¡£´Ë±íSRv6ͨ¹ýEVPN(Ethernet Virtual Private Network)£¬Äܹ»ÕûºÏMPLSÍøÂçÖжþ²ãÐ鹹רÓÃÍø(VPWS¡¢VPLS)ºÍÈý²ãÐ鹹רÓÃÍø(MP-BGP)£¬¿ÉÄܼò»¯ºÍ̸£¬Ê¹ÅäÖÃÖÎÀí¸üµ¥Ò»¡£
ͼ1-3    SRv6³ÉÁ¢¿çÓòÒµÎñ
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

  • ¡ñ    ÓµÓÐ׳´óµÄ¿ÉÀ©´óÄÜÁ¦

SRv6Äܹ»×Ô½ç˵±àÅÅõè¾¶£¬¿ÉÄܽýݽÚÔìת·¢õè¾¶¡£»¹Äܹ»Í¨¹ý×Ô½ç˵ְÄÜ£¬Âú×ã¶àÖÖÒµÎñºÍÀûÓõıØÒª¡£

  • ¡ñ    ÓÃIPÂú×ãIP×ÔÉíµÄÐèÒª

SRv6»ùÓÚIPv6ת·¢£¬SRv6ºÍIPv6±¨ÎÄÓµÓÐÒ»ÑùµÄ±¨ÎÄÍ·¡£SRv6¿ÉÔÚIPv6ÍøÂçÉÏÔöÁ¿²¿Êð£¬ÎãÓ¹´úÌæÍøÂçÖÐËùÓÐÉ豸£¬ÓµÓиüºÃµÄ¼æÈÝÐÔ¡£SRv6Я´ø¸ü¶àµÄÐÅÏ¢£¬¿ÉÄÜͳһ³ÐÔØ¶àÖÖÍøÂçºÍ̸£¬ÓÃIP¼¼Êõ°ü°ìMPLS¼¼Êõ¡£


1.4   SRv6Ô­Àí½âÎö
SRv6ÊÇSR¼¼ÊõÔÚIPv6ת·¢Æ½ÃæµÄÀûÓã¬ÄÇʲôÊÇSRÄØ£¿


1.4.1  SRÊÇʲô
SR£¨Segment Routing£©ÊÇÒ»ÖÖԴ·Óɼ¼Êõ¡£Ô´Â·ÓÉ»úÔìʹSRͨ¹ýÕØÊ¼½Úµã¼´¿É½ÚÔ챨ÎĵÄת·¢õè¾¶¡£SR½«×ª·¢õè¾¶ÇиîΪ·ÖÆçµÄ·Ö¶Î£¬ÕØÊ¼½ÚµãÏò±¨ÎIJåÈë¶à¸öõè¾¶·Ö¶Î£¬ÖÐÑë½ÚµãÒÀÕÕ±¨ÎÄЯ´øµÄõè¾¶·Ö¶ÎÐÅÏ¢½øÐÐת·¢¡£õè¾¶·Ö¶ÎÓÖ³ÆÎª“Segment”£¬²¢Í¨¹ýSID£¨Segment Identifier£¬¶Î±êʶ£©À´·Ö±æ¡£
SR¼¼ÊõÖ§³ÖÀûÓÃÔÚMPLSºÍIPv6Á½ÖÖת·¢Æ½Ãæ¡£ÀûÓÃÔÚMPLSת·¢Æ½ÃæµÄSR³ÆÎªSR MPLS£¨Segment Routing MPLS£©£¬ÆäSID¾ÍÊÇMPLS±êÇ©¡£ÀûÓÃÔÚIPv6ת·¢Æ½ÃæµÄSR³ÆÎªSRv6£¬ÆäSIDΪIPv6µØÖ·´ó¾Ö¡£
ͼ1-4    SRÔÚ·ÖÆçת·¢Æ½ÃæµÄÀûÓÃ
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

1.4.2  SRHÊÇʲô


ΪÁËÔÚIPv6ת·¢Æ½ÃæÀûÓÃSR¼¼Êõ£¬±ØÒªÔÚIPv6±¨ÎÄÖÐÐÂÔöSRH£¨Segment Routing Header£©À©´óÍ·£¬ÐγÉSRv6±¨ÎÄ¡£¸ÃÀ©´óÍ·Ö¸¶¨Ò»¸öIPv6µÄÏÔʽõè¾¶£¬ÒÔSegment List£¨¶ÎÁÐ±í£©´ó¾Ö´æ´¢×ª·¢ËùÐèµÄõè¾¶·Ö¶Î¡£
ͼ1-5    SRH½á¹¹¼°µØµãµØÎ»
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

SRHÖÐÓÐ2¸ö¹Ø¼ü×ֶΣº

  • ¡ñ    IPv6µØÖ·´ó¾ÖµÄSegment List¡£

ÿ¸öSegment List£¨Segment List[0]¡¢Segment List[1]¡¢….¡¢Segment List[n]£©ÊÇÒ»Ìõõè¾¶·Ö¶Î£¬Í¨¹ýÓÐÐò·ÖÁУ¬×é³ÉIPv6µÄÏÔʾõè¾¶¡£ÈçÉÏͼËùʾ£¬õè¾¶·Ö¶Î±»ÄæÐòѹÈëSegment List£¬Segment List [n]ÊǵÚÒ»¸ö´¦ÖõÄõè¾¶·Ö¶Î£¬Segment List [0]ÊÇ×îºóÒ»¸ö´¦ÖõÄõè¾¶·Ö¶Î¡£

  • ¡ñ    Ö¸Õë´ó¾ÖµÄSegment Left£¨¼òдΪSL£©¡£

Ö¸Ïòµ±Ç°»îÔ¾µÄSegment List¡£Segment LeftµÄ×îÓ×ֵΪ0£¬×î´óֵΪSegment ListµÄ¸öÊý¼õ1¡£
ÔÚSRv6ת·¢¹ý³ÌÖУ¬IPv6 HeaderµÄÖ÷ÕŵØÖ·£¨Destination Address£©×ֶβ»Ðݱ䶯¡£ÆäÖµÓÉSRHÖеÄSegment Left(SL)ºÍSegment List¹²Í¬¾ö¶¨¡£µ±SLÖ¸ÏòÒ»¸ö»îÔ¾µÄSegment Listʱ£¬¸ÃSegment ListÖеÄõè¾¶·Ö¶ÎÐÅÏ¢±»¸´Ôìµ½IPv6 HeaderµÄÖ÷ÕŵØÖ·×ֶΣ¬ÈçÏÂͼËùʾ¡£
ͼ1-6    Segment List¡¢Segment LeftºÍIPv6 HeaderµÄÖ÷ÕŵØÖ·×ֶεĹØÏµ
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

1.4.3  SRv6 SIDÊÇʲô
SRv6 SIDÓÃÀ´·Ö±æõè¾¶·Ö¶Î¡£SRv6 SIDÊÇÒ»¸ö³¤¶ÈΪ128±ÈÌØµÄÖµ£¬ÆäÌåʽ¹ÌÈ»ºÍIPv6µØÖ·Ò»Ñù£¬µ«·ÖÆçÓÚ´«Í³Òâ˼ÉÏÀí½âµÄIPv6µØÖ·¡£ÔÚSRv6ÍøÂçÖУ¬IPv6µØÖ·±»¸³ÓèÁËеÄÔ¢Òâ¡£SRv6 SIDÓÉLocator¡¢FunctionºÍArgumentsÈý¸ö²¿ÃÅ×é³É¡£ÆäÖÐLocatorÕ¼¾ÝSRv6 SIDµÄ¸ß±ÈÌØÎ»¡£
ͼ1-7    SRv6 SID½á¹¹
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

  • ¡ñ    Locator

ÓÃÓÚ±êʶ½ÚµãµØÎ»£¬ÓµÓж¨Î»Ö°ÄÜ¡£½ÚµãÅäÖÃLocatorºó£¬É豸»áÌìÉúÒ»ÌõLocatorÍø¶ÎµÄ·ÓÉ£¬²¢ÇÒͨ¹ýIGPÔÚSRv6ÍøÂçÄÚÀ©É¢£¬ÆäËû½Úµãͨ¹ýÕâÌõÍø¶Î·Óɿɶ¨Î»µ½ÅäÖÃLocatorµÄ½Úµã¡£Í¬Ê±±¾½Úµã°ä²¼µÄËùÓÐSRv6 SID¶¼Äܹ»Í¨¹ýÕâÌõLocatorÍø¶Î·ÓÉ´ïµ½¡£

  • ¡ñ    Function

ÓÃÓÚÅúʾÌìÉúSRv6 SIDµÄ½Úµã½øÐÐÏàÓ¦µÄ²Ù×÷¡£Functionͨ¹ýOpcode°µÊ¾SRv6 SIDµÄ²Ù×÷Âë¡£

  • ¡ñ    Arguments

×÷Ϊ¿ÉÑ¡×ֶΣ¬ÓÃÓÚ½ç˵±¨ÎĵÄÁ÷ºÍ·þÎñµÈÐÅÏ¢¡£


ÏÂÃæÍ¨¹ýEnd SIDºÍEnd.X SID×¢Ã÷SRv6 SIDµÄ½á¹¹¡£

  • ¡ñ    End SID

End SIDÓÃÓÚ±êʶSRv6ÍøÂçÖÐij¸öÖ÷ÕŽڵã¡£End SID¶ÔÓ¦µÄ×÷ΪÊÇ£º¸üÐÂIPv6Ö÷ÕÅIPµØÖ·£¬²¢²éÕÒIPv6·ÓÉ±í½øÐб¨ÎÄת·¢¡£
ÈçÏÂͼËùʾ£¬ÔÚ½Úµã1¡¢½Úµã2ºÍ½Úµã3ÉϱðÀëÅäÖÃLocator£¬²¢ÇÒΪ¸÷¸ö½ÚµãÅäÖÃEnd SIDµÄ²Ù×÷Â루¼´Opcode£©¡£ÀýÈç½Úµã1ÅäÖÃLocatorΪA::1£¬²¢ÅäÖÃEnd SIDµÄOpcodeΪ100£¬Ðγɽڵã1µÄ±¾µØSID£ºA::1:100¡£A::1:100ÔÚSRv6ÍøÂçÖаµÊ¾½Úµã1¡£µ±±¨ÎÄÆ¾¾ÝA::1:100·Óɵ½½Úµã1ºó£¬½Úµã1ƾ¾ÝLPM£¨Longest Prefix Match£¬×ǰ׺ƥÅ䣩ƥÅäµ½±¾µØSIDÖеÄOpcode£¨100£©£¬½Úµã1֪·100¶ÔÓ¦µÄÊÇEnd SID£¬Òò¶øÖ´ÐÐEnd SID¶ÔÓ¦µÄ×÷Ϊ¡£
ͼ1-8    End SID

GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

  • ¡ñ    End.X SID

End.X SIDÓÃÓÚ±êʶSRv6ÍøÂçÖÐijÌõÁ´Â·¡£End.X SID¶ÔÓ¦µÄת²úÉúΪÊÇ£º¸üÐÂIPv6Ö÷ÕÅIPµØÖ·£¬´ÓEnd.X SID°ó¶¨µÄ³ö½Ó¿Úת·¢±¨ÎÄ¡£
ÈçÏÂͼËùʾ£¬ÔÚ½Úµã1ÉÏÅäÖÃLocator£¬²¢ÇÒΪ¸÷¸ö·½ÏòµÄÁÚ½ÓÅäÖÃEnd.XµÄ²Ù×÷Âë¡£ÀýÈç½Úµã1ÅäÖÃLocatorΪA::1£¬²¢ÅäÖÃͼÖÐ×ó±ß·½ÏòEnd.X SIDµÄOpcodeΪ1001£¬Ðγɽڵã1µÄ±¾µØSID£ºA::1:1001¡£A::1:1001ÔÚSRv6ÍøÂçÖаµÊ¾½Úµã1µÄ×ó±ßÁ´Â·¡£µ±±¨ÎÄÆ¾¾ÝA::1:1001·Óɵ½½Úµã1ºó£¬½Úµã1ƾ¾ÝLPM£¨Longest Prefix Match£¬×ǰ׺ƥÅ䣩·¢ÏÔì¥Åä±¾µØSIDÖеÄOpcode£¨¼´1001£©£¬½Úµã1֪·1001¶ÔÓ¦µÄÊÇEnd.X SID£¬Òò¶øÖ´ÐÐEnd.X SID¶ÔÓ¦µÄ×÷Ϊ£º¸üÐÂIPv6Ö÷ÕÅIPµØÖ·£¬½«±¨ÎÄ´Ó×ó±ß½Ó¿Úת·¢µ½Ò»Ï½ڵã¡£
ͼ1-9    End.X SID

GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

End SIDºÍEnd.X SIDÁ½Õß×éºÏ±àÅÅSegment List£¬Äܹ»°µÊ¾ÈκÎÒ»Ìõת·¢õè¾¶¡£Òò¶øEnd SIDºÍEnd.X SID±»³ÆÎªõè¾¶SID¡£´Ë±í»¹¿ÉÒÔΪVPN/EVPNµÈÒµÎñ·ÖÅäSRv6 SID£¬ÕâЩSID±»³ÆÎªÒµÎñSID¡£ÓÉÓÚSRv6 SID¿Õ¼ä×ã¹»´ó£¬SRv6 SIDÄÜÖ§³Ö×ã¹»¶àµÄÒµÎñ¡£


1.4.4  SRv6¿ÉÀ©´óÐÔ
SRv6µÄ¿ÉÀ©´óÐÔÌå´Ë¿ÌÈý¸ö·½Ã棺

  1. (1)    Äܹ»×Ô½ç˵ҵÎñת·¢õè¾¶¡£õè¾¶SIDƾ¾ÝÒµÎñ±ØÒª±àÅÅSegment List£¬ÐÎ³É·ÖÆçµÄת·¢õè¾¶¡£ÈçÏÂͼËùʾ¡£

ͼ1-10    ÒµÎñÇý¶¯õè¾¶×Ô½ç˵
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

  1. (2)    Äܹ»×Ô½ç˵SRv6 SID¡£É豸ͨ¹ý½ç˵·ÖÆçµÄFunction£¬Ê¹SRv6Ö§³Ö·ÖÆçµÄÒµÎñ¡£ºÃ±ÈÊý¾Ý°ü´ïµ½SRv6β½Úµãºó£¬ÀûÓÃFunctionÅúʾ½Úµã½«Êý¾Ý°üת·¢¸øÄ³¸öVPNÊ·ý¡£Ï±íÊÇÓëVPNÒµÎñÓйصÄSRv6 SID¡£
±í1-1    ÓëVPNÒµÎñÓйصÄSRv6 SID
SID Ô¢Òâ °ä²¼ºÍ̸
End.DT4 ÓÃÓÚ±êÊ¶ÍøÂçÖеÄij¸öIPv4 VPNÊ·ý¡£¶ÔÓ¦µÄת²úÉúΪÊÇ£º½â·â×°±¨ÎÄ£¬²¢ÇÒ²éÕÒIPv4 VPNÊ·ý·ÓÉ±í½øÐÐת·¢¡£End.DT4 SIDÔÚL3VPNv4³¡¾°Ê¹Ó㬵ȼÛÓÚIPv4 VPNµÄ±êÇ© BGP
End.DT6 ÓÃÓÚ±êÊ¶ÍøÂçÖеÄij¸öIPv6 VPNÊ·ý¡£¶ÔÓ¦µÄת²úÉúΪÊÇ£º½â·â×°±¨ÎÄ£¬²¢ÇÒ²éÕÒIPv6 VPNÊ·ý·ÓÉ±í½øÐÐת·¢¡£End.DT6 SIDÔÚL3VPNv6³¡¾°Ê¹Ó㬵ȼÛÓÚIPv6 VPNµÄ±êÇ© BGP
End.DX4 ÓÃÓÚ±êÊ¶ÍøÂçÖеÄij¸öIPv4 CE¡£¶ÔÓ¦µÄת²úÉúΪÊÇ£º½â·â×°±¨ÎÄ£¬²¢ÇÒ½«½â·âºóµÄIPv4±¨ÎÄÔÚ¸ÃSID°ó¶¨µÄÈý²ã½Ó¿ÚÉÏת·¢¡£End.DX4 SIDÔÚL3VPNv4³¡¾°Ê¹Ó㬵ȼÛÓÚÏνӵ½CEµÄÁÚ½Ó±êÇ© BGP
End.DX6 ÓÃÓÚ±êÊ¶ÍøÂçÖеÄij¸öIPv6 CE¡£¶ÔÓ¦µÄת²úÉúΪÊÇ£º½â·â×°±¨ÎÄ£¬²¢ÇÒ½«½â·âºóµÄIPv6±¨ÎÄÔÚ¸ÃSID°ó¶¨µÄÈý²ã½Ó¿ÚÉÏת·¢¡£End.DX6 SIDÔÚL3VPNv6³¡¾°Ê¹Ó㬵ȼÛÓÚÏνӵ½CEµÄÁÚ½Ó±êÇ© BGP

 

  1. (3)    Î»ÓÚSRHÖÐ×îºóµÄOption TLV£¨Type Length Value£©×ֶΣ¬Ò²Äܹ»ÓÃÓÚ×Ô½ç˵ְÄÜ£¬ºÃ±ÈÔÚת·¢Ê±Äܹ»·âװһЩ·Ç¹æ¶¨ÐÅÏ¢¡£

 

1.4.5  SRv6±¨ÎÄת·¢
SRv6ÍøÂçÖи÷½Úµã´¦ÖÃSRv6±¨ÎĵÄÕ½ÊõÈçÏ£º

  • ¡ñ    ÈôÊÇõè¾¶ÖеĽڵ㲻֧³ÖSRv6£¬Ôò²»±ØÒª´¦ÖÃSRv6±¨ÎĵÄSRH¡£Ö±½Óƾ¾ÝIPv6 HeaderµÄÖ÷ÕŵØÖ·²éÎÊIPv6·Óɱí¡£ÒÀ¸½×ǰ׺ƥÅä×¼Ôò£¬½øÐÐIPv6±¨ÎĵÄת·¢¡£
  • ¡ñ    ÈôÊÇõè¾¶ÖеĽڵãÖ§³ÖSRv6£¬Ôò±ØÒª´¦ÖÃSRv6±¨ÎĵÄSRH¡£Ê×ÏȽ«Segment Left¼õ1£¬½«Ö¸ÏòеÄSegment ListÖеÄõè¾¶·Ö¶ÎÐÅÏ¢£¨¼´IPv6µØÖ·£©¸´Ôìµ½IPv6 HeaderµÄÖ÷ÕŵØÖ·×ֶΡ£Í¨¹ýÖ÷ÕŵØÖ·²éÎÊIPv6·Óɱí£¬ÒÀ¸½×ǰ׺ƥÅä×¼Ôò£¬½øÐÐIPv6±¨ÎĵÄת·¢¡£

ÏÂÃæ¾ßÌåÃèÊöSRv6±¨ÎĵÄת·¢Á÷³Ì¡£Èç¹û±¨ÎıØÒª´Ó½Úµã1ת·¢µ½½Úµã4¡£½Úµã1¡¢½Úµã3ºÍ½Úµã4¾ùÖ§³ÖSRv6£¬½Úµã2²»Ö§³ÖSRv6¡£ÔÚÕØÊ¼½Úµã1ÉϽøÐÐõè¾¶±àÅÅ£¬µ«Ô¸±¨ÎÄ˳´Î¾­¹ýõè¾¶·Ö¶Î13ºÍ34´ïµ½½Úµã4¡£
ͼ1-11    SRv6ת·¢Á÷³Ì
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

 

±¨ÎÄ´Ó½Úµã1ת·¢µ½4µÄ´¦ÖÃÁ÷³ÌÈçÏ£º

  1. (1)    ½Úµã1½«SRv6·Ö¶Îõè¾¶ÐÅÏ¢·â×°ÔÚSRH£¬ÐγÉSRv6±¨ÎÄ¡£

         a     ½Úµã1ƾ¾Ý½Úµã3ºÍ½Úµã4°ä²¼µÄLocator£¬ÉèÖÃõè¾¶·Ö¶ÎÐÅÏ¢£¨Segment List [0] = B4::1ºÍSegment List [1] = B2::1£©¡£
         b     ½Úµã1½«SL£¨Segment Left£©ÖÃΪ1£¬²¢½«SLÅúʾµÄõè¾¶·Ö¶ÎÐÅÏ¢£¨B2::1£©¿½±´µ½IPv6 HeaderµÄÖ÷ÕŵØÖ·×ֶΡ£
         c     ½Úµã1ƾ¾ÝIPv6 HeaderµÄÖ÷ÕŵØÖ·£¨B2::1£©²é·Óɱíת·¢µ½½Úµã2¡£

 

  1. (2)    ½Úµã2²»Ö§³ÖSRv6£¬ËùÒÔ²»´¦ÖÃSRH¡£

        ½Úµã2¾ß±¸Í¨³£µÄIPv6ת·¢ÄÜÁ¦¼´¿É¡£½Úµã2ƾ¾ÝIPv6 HeaderµÄÖ÷ÕŵØÖ·£¨B2::1£©²éIPv6·Óɱíת·¢µ½½Úµã3¡£

 

  1. (3)    ½Úµã3ÊÕµ½±¨Îĺ󣬯¾¾ÝIPv6 HeaderµÄÖ÷ÕŵØÖ·£¨B2::1£©²éÕÒLocator¡£ÉäÖÐEnd.X SID£¬Ö´ÐÐEnd.XµÄת²úÉúΪ£º

         a     ½Úµã3½«SL¼õ1£¨´ËʱSLΪ0£©¡£
         b     ½Úµã3½«SLÅúʾµÄõè¾¶·Ö¶ÎÐÅÏ¢£¨¼´Segment List[0] = B4::1£©¿½±´µ½IPv6 HeaderµÄÖ÷ÕŵØÖ·×ֶΡ£
         c     Æ¾¾ÝEnd.XÖ¸¶¨µÄ³ö½Ó¿Ú£¬½«±¨ÎÄת·¢µ½½Úµã4¡£

 

  1. (4)    ½Úµã4ÊÕµ½±¨Îĺ󣬯¾¾ÝIPv6 HeaderµÄÖ÷ÕŵØÖ·£¨B4::1£©²éÕÒLocator¡£ÉäÖÐEnd SID£¬½Úµã4È¥µôSRH£¬SRv6±¨ÎıäΪͨ³£µÄIPv6±¨ÎÄ¡£²éÎÊ·ÓÉ·¢ÏÖÊǵ½±¾½ÚµãµÄ±¨ÎÄ£¬Óɽڵã4½øÐкóÐø´¦Öá£


1.5   ×ܽá
SRv6»ùÓÚIPv6ת·¢£¬Ëæ×ÅIPv6´ó¹æÄ£²¿Êð£¬SRv6¼¼ÊõÒ²½«¼±¾ç·¢Õ¹¡£SRv6½«À´½«ÈôºÎÑݽø£¬SRv6ÄÜ·ñÔÚ½«À´ÍøÂçÖÐÕ¼¾ÝÖ÷µ¼Ö°Î»£¬ÈÃÎÒÃÇÊÃÄ¿ÒÔ´ý¡£

 

ÓйØÍƼö

ÐÂÒ»´úIP³ÐÔØÖ÷Ìâ¼¼ÊõSRv6µÄת·¢µÀÀí —Ò»ÎÄ´øÄãÏàÊ¶ÍøÂçйó
 

ÓйرêÇ©£º

GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾ GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

µãÔÞ

¸ü¶à¼¼Êõ²©ÎÄ

ÈκαØÒª£¬ÇëÁªÏµGA»Æ½ð¼×

GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

·µ»Ø¶¥²¿

ÊÕÆð
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾ ÎĵµAI¸±ÊÖ
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾ ÎĵµÆÀ¼Û
ev-close
¸Ã×ÊÁÏÊÇ·ñ½â¾öÁËÄúµÄÎÊÌ⣿
ev-close
Äú¶Ôµ±Ç°Ò³ÃæµÄÖÐÒâ¶ÈÈôºÎ£¿
²»Õ¦µÎ
¼«¶ÈºÃ
dark-star dark-star dark-star dark-star dark-star
ev-close
ÄúÖÐÒâµÄÔ­ÒòÊÇ£¨¶àÑ¡£©£¿
ev-close
Äú²»ÖÐÒâµÄÔ­ÒòÊÇ£¨¶àÑ¡£©£¿
ev-close
ÄúÊÇ·ñ»¹ÓÐÆäËûÎÊÌâ»ò½¨Ò飿
ΪÁ˼±¾ç½â¾ö²¢»Ø¸´ÄúµÄÎÊÌ⣬ÄúÄܹ»ÁôÏÂÁªÏµ·½Ê½
ÓÊÏä
ÊÖ»úºÅ
ev-bg
¸Ð¼¤ÄúµÄ·´À¡£¡
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
ÇëÑ¡Ôñ·þÎñÏîÄ¿
¹Ø¹ØÕ÷ѯҳ
ÊÛǰÕ÷ѯ ÊÛǰÕ÷ѯ
ÊÛǰÕ÷ѯ
ÊÛºó·þÎñ ÊÛºó·þÎñ
ÊÛºó·þÎñ
¶¨¼û·´À¡ ¶¨¼û·´À¡
¶¨¼û·´À¡
¸ü¶àÁªÏµ·½Ê½
¡¾ÍøÕ¾µØÍ¼¡¿