ÄϾ©Óʵç´óѧͨ´ïѧԺ2016½ì±¾¿ÆÉú±ÏÒµÉè¼Æ£¨ÂÛÎÄ£© bgp router-id 3.3.3.3 //// ÉèÖÃBGPµÄrouter-idΪ3.3.3.3 bgp log-neighbor-changes
neighbor 2016:B13::B1 remote-as 65111
! //// ºÍÔËÓªÉÌIPv6ISP1ÎïÀí¿Ú½¨Á¢ÁÚ¾Ó address-family ipv4
no neighbor 2016:B13::B1 activate
no auto-summary //// ¹Ø±Õ×Ô¶¯»ã×Ü no synchronization //// ¹Ø±Õͬ²½ exit-address-family !
address-family ipv6 //// ¿ªÆôIPv6µØÖ·´Ø
neighbor 2016:B13::B1 activate //// ÔÚIPv6µØÖ·´Øϼ¤»îBGPÁÚ¾Ó redistribute ospf 100 match internal external 1 external 2 include-connected ! //// ÔÚBGPÏÂÖØ·Ö·¢OSPFÐÒé no synchronization //// ¹Ø±Õͬ²½ exit-address-family !
ͼ3.5ÇøÓò1½á¹¹
3. ÇøÓò2ÊÇ¿Í»§Í¨¹ýIPv4ISP1£¬·ÃÎʹ«Ë¾ÍøÂçÍê³ÉÒµÎñ½»Á÷¡£ÆäÖÐR4Æô
21
ÄϾ©Óʵç´óѧͨ´ïѧԺ2016½ì±¾¿ÆÉú±ÏÒµÉè¼Æ£¨ÂÛÎÄ£©
ÓÃË«Õ»ÐÒ飬ÔÚÓëIPv4ISP1ÏàÁ¬µÄ½Ó¿ÚÉÏÅäÖÃIPv4µØÖ·¡£Ê×ÏÈÔÚIPv4µÄÍøÂçÏ´ﵽR4ºÍIPv4userÄܹ»Ï໥ͨÐÅ£¬Ò²¾ÍÊÇÔÚIPv4ÏÂR4ºÍIPv4ISP1½¨Á¢EBGPÁÚ¾Ó£¬IPv4ºÍIPv4ISP1Ò²½¨Á¢EBGPÁÚ¾Ó¡£ÔÚR4ÉϵÄBGPÅäÖÃÈçÏ£º
router bgp 12345 //// ÔÚ·ÓÉÆ÷ÉÏ¿ªÆôBGPÐÒ飬ASºÅ12345 no synchronization bgp log-neighbor-changes
redistribute ospf 100 //// ÔÚBGPÐÒéÏÂÖØ·Ö·¢OSPFÐÒé neighbor 192.168.101.1 remote-as 65222
! //// ºÍÔËÓªÉÌIPv4ISP1ÎïÀí¿Ú½¨Á¢BGPÁÚ¾Ó no auto-summary //// ¹Ø±Õ×Ô¶¯»ã×Ü !
È·±£R4ºÍIPv4userÄܹ»ÔÚIPv4ÏÂͨÐź󣬽¨Á¢tunnelËíµÀ£¬ÁîR4ÓëIPv4user½¨Á¢Á¬½Ó´©Ô½IPv4ISP1µÄÍøÂçÖ±½ÓÏàÁ¬¡£ÔÚR4ÉÏtunnelÅäÖÃÈçÏ£º
interface Tunnel0 //// ´´½¨tunnelËíµÀÃüÃûΪtunnel0 no ip address //// ²»ÅäÖÃIPv4µØÖ· no ip redirects
ipv6 address 2002:C0A8:6504::1/64 //// ÅäÖÃIPv6 tunnelËíµÀµØÖ· tunnel source Ethernet0/0 //// tunnelËíµÀµÄÔ´µØַΪE0/0 tunnel mode ipv6ip 6to4 //// tunnelËíµÀµÄģʽΪ6to4ģʽ
ͼ3.6 ÇøÓò2½á¹¹
4. ÇøÓò3ÊÇÒìµØµÄÔËÐÐΪIPv6µÄ·Ö¹«Ë¾£¬Òª¿çÔ½IPv4ISP2Óëĸ¹«Ë¾Í¨ÐÅ¡£ÔÚ
22
ÄϾ©Óʵç´óѧͨ´ïѧԺ2016½ì±¾¿ÆÉú±ÏÒµÉè¼Æ£¨ÂÛÎÄ£©
R5ºÍIPv6userÉÏͬʱÆôÓÃË«Õ»ÐÒ飬Ôڶ˿ڷֱðÅäÖÃIPv4µØÖ·£¬²¢ÇÒÔËÐÐBGP·ÓÉÐÒ飬ÓëÔËÓªÉÌIPv4ISP2½¨Á¢EBGPÁÚ¾Ó¹Øϵ£¬±£Ö¤µÍ²ãIPv4Êý¾ÝÁªÍ¨¡£R5ºÍIPv6userµÄ²¿·Ö½Ó¿ÚÅäÖúÍBGPÅäÖÃÈçÏ£º
R5£º
interface Ethernet0/1 //// ÄÚÍø½Ó¿Ú no ip address half-duplex
ipv6 address 2016:25::5/64 //// ÅäÖÃIPv6µØÖ·
ipv6 ospf 100 area 0 //// ½Ó¿ÚÏÂÔËÐÐOSPFv3·ÓÉÐÒé !
interface Ethernet0/2 //// Ë«Õ»½Ó¿ÚµØÖ· ip address 192.168.201.5 255.255.255.0 £¡ //// ÅäÖÃIPv4µØÖ· half-duplex !
interface Ethernet0/3 //// ÎÞÓÃ½Ó¿Ú no ip address
shutdown //// ¹Ø±Õ½Ó¿Ú half-duplex !
router bgp 12345 //// ¿ªÆôBGP·ÓÉÐÒ飬ASºÅΪ12345 no synchronization //// ¹Ø±Õͬ²½ bgp log-neighbor-changes
neighbor 192.168.201.1 remote-as 65333
! //// ºÍÔËÓªÉÌIPv4ISP2½¨Á¢ÁÚ¾Ó¹Øϵ no auto-summary //// ¹Ø±Õ×Ô¶¯»ã×Ü !
IPv6user£º
interface Ethernet0/0 //// Ë«Õ»½Ó¿Ú
ip address 192.168.200.2 255.255.255.0 //// ÉèÖÃIPv4µØÖ· half-duplex !
router bgp 65333 //// ¿ªÆôBGP·ÓÉÐÒ飬ASºÅΪ65333 no synchronization //// ¹Ø±Õͬ²½
23
ÄϾ©Óʵç´óѧͨ´ïѧԺ2016½ì±¾¿ÆÉú±ÏÒµÉè¼Æ£¨ÂÛÎÄ£© bgp log-neighbor-changes
neighbor 192.168.200.1 remote-as 65333
//// ºÍÔËÓªÉÌIPv4ISP2½¨Á¢ÁÚ¾Ó¹Øϵ
neighbor 192.168.200.1 next-hop-self
//// ¸ü¸ÄBGPÏÂÒ»Ìø no auto-summary //// ¹Ø±Õ×Ô¶¯»ã×Ü
½¨Á¢ÆðµÍ²ãIPv4ͨÐźó£¬ÔÙ¿ªÊ¼´´½¨6to4ËíµÀ£¬Ê¹IPv6userºÍĸ¹«Ë¾ÄÚÍøͨÐÅ¡£ÔÚIPv6userºÍR5ÉϵÄtunnelËíµÀÅäÖÃÈçÏ£º
R5£º
interface Tunnel0 //// ´´½¨tunnelËíµÀ£¬ÃüÃûΪtunnel0 no ip address //// ²»Åä×öIPv4µØÖ· no ip redirects
ipv6 address 2002:C0A8:C905::1/64 //// ÅäÖÃIPv6 tunnelËíµÀµØÖ· tunnel source Ethernet0/2 //// tunnelËíµÀµÄÔ´µØַΪE0/2 tunnel mode ipv6ip 6to4 //// tunnelËíµÀµÄģʽΪ6to4ģʽ !
ͼ3.7ÇøÓò3½á¹¹
Ä£ÄâʵÑéÖеÄÆäÓàÅäÖ㬾ùÔÚ¸½Â¼ÖС£ÔÚ±¾ÎÄÖв»ÔÙÖصãÃèÊö¡£
3.2.4 Éè¼ÆÖпÉÄÜ´æÔÚµÄÎÊÌâ
±¾ÎÄÖеķ½°¸ÔÚ¿¼ÂǹýÆóÒµ³É±¾ºÍʵ¼ÊÊÕÒæºó£¬Ö÷Òª²ÉÓõÄÊÇË«Õ»¼æÈÝģʽºÍTunnelËíµÀÐÒéÏà½áºÏµÄ·½Ê½Éè¼ÆµÄ¡£²¢²»Êǵ¥´¿µÄÈ«Ë«Õ»ÔËÐУ¬Ò²²»Êǵ¥
24