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isis network-entity 47.0001.0000.0000.0003.00
# ÅäÖõ½ASBR2µÄ½Ó¿Ú£¬²¢Ôڴ˽ӿÚÆôÓÃMPLS
interface Ethernet2/0/4 undo shutdown negotiation auto ip address 10.0.0.26 255.255.255.252
mpls
# ÅäÖõ½RR1µÄ½Ó¿Ú£¬²¢Ôڴ˽ӿÚÆôÓÃMPLS LDP
interface Ethernet2/0/6 undo shutdown negotiation auto ip address 10.0.0.21 255.255.255.252 isis enable mpls mpls ldp
# ´´½¨loopback ½Ó¿Ú0£¬ÔÚ½Ó¿ÚÉÏÔËÐÐISIS
interface LoopBack0 ip address 1.1.1.3 255.255.255.255 isis enable
# ´´½¨·ÃÎÊÁбí 2900£¬ÔÊÐíPE1µÄloopback½Ó¿Ú 0µÄÖ÷»úµØַͨ¹ý
acl number 2900
rule 0 permit source 1.1.1.10 0
# ÔÚASBR1ÉÏÔËÐÐBGP£¬ASºÅ 100£¬ÅäÖõ½RR1µÄIBGP¶ÔµÈÌå×é,ÅäÖõ½ASBR2µÄ
EBGP¶ÔµÈÌå×飬ÒýÓ÷ÓɲßÂÔrrºÍasbrÔÚEBGP¶ÔµÈÌå×éºÍIBGP¶ÔµÈÌå×éÉÏ
bgp 100 network 1.1.1.8 255.255.255.255 network 1.1.1.10 255.255.255.255 undo synchronization group EXT external peer EXT as-number 200 peer EXT label-route-capability peer EXT route-policy rr export peer 10.0.0.25 group EXT group RR1 internal peer RR1 label-route-capability peer RR1 next-hop-local peer RR1 route-policy asbr export peer 1.1.1.8 group RR1
peer RR1 connect-interface LoopBack0
# ÅäÖ÷ÓɲßÂÔrrºÍasbr
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route-policy rr permit node 0 if-match acl 2900 if-match ip-prefix pe apply mpls-label route-policy rr permit node 1 route-policy asbr permit node 0 if-match mpls-label apply mpls-label
route-policy asbr permit node 1
# ´´½¨Ç°×ºÁбí pe£¬ÔÊÐíPE1µÄloopback½Ó¿Ú 0µÄÖ÷»úµØַͨ¹ý
ip ip-prefix pe index 10 permit 1.1.1.10 32
4.2 AÊÐRR1 ÅäÖÃ
router id 1.1.1.8 mpls lsr-id 1.1.1.8
# ÅäÖÃRouter IDΪloopback½Ó¿Ú 0µÄµØÖ·
# ÅäÖÃMPLS LSR IDΪloopback½Ó¿Ú 0µÄµØÖ·
# ÆôÓÃMPLS LDP
mpls ldp
# ÆôÓÃISISΪIGP·ÓÉÐÒ飬network entityΪ47.0001
isis network-entity 47.0001.0000.0000.0008.00 silent-interface LoopBack0 interface Ethernet2/2/0 ip address 10.0.0.201 255.255.255.252 isis enable mpls mpls ldp
# ÅäÖõ½PE1µÄ½Ó¿Ú£¬²¢Ôڴ˽ӿÚÆôÓÃMPLS LDP
# ÅäÖõ½ASBR1µÄ½Ó¿Ú£¬²¢Ôڴ˽ӿÚÆôÓÃMPLS LDP
interface Ethernet4/2/0 ip address 10.0.0.22 255.255.255.252 isis enable mpls
mpls ldp
# ´´½¨loopback ½Ó¿Ú0£¬ÔÚ½Ó¿ÚÉÏÔËÐÐISIS
interface LoopBack0 ip address 1.1.1.8 255.255.255.255
isis enable
# ÔÚRR1ÉÏÔËÐÐBGP£¬ASºÅ 100£¬ÅäÖõ½PE1,ASBR1µÄIBGP¶ÔµÈÌå×é,ÅäÖõ½RR2µÄ
EBGP¶ÔµÈÌå×é
bgp 100 undo synchronization group PE1 internal peer PE1 advertise-community peer PE1 connect-interface LoopBack0
peer PE1 label-route-capability
peer 1.1.1.10 group PE1 group ASBR1 internal peer ASBR1 connect-interface LoopBack0
peer ASBR1 label-route-capability
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peer 1.1.1.3 group ASBR1 group RR external peer RR ebgp-max-hop peer RR connect-interface LoopBack0 peer 1.1.1.1 group RR as-number 200
# ÅäÖõ½PE1µÄVPNv4¶ÔµÈÌå×飬ÅäÖõ½RR2µÄVPNv4¶ÔµÈÌå×é ipv4-family vpnv4 peer RR enable peer RR next-hop-invariable peer 1.1.1.1 group RR peer PE1 enable peer PE1 reflect-client peer 1.1.1.10 group PE1
4.3 AÊÐ PE1 ÅäÖÃ
router id 1.1.1.10
# ÅäÖÃRouter IDΪloopback½Ó¿Ú 0µÄµØÖ·
# ÅäÖÃMPLS LSR IDΪloopback½Ó¿Ú 0µÄµØÖ·
mpls lsr-id 1.1.1.10
# ÆôÓÃMPLS LDP
mpls ldp
# ÆôÓÃISISΪIGP·ÓÉÐÒ飬network entityΪ47.0001
isis network-entity 47.0001.0000.0000.0010.00 silent-interface LoopBack0
# ÅäÖÃVPNʵÀý£¬ÅäÖÃRD£¬RT
ip vpn-instance vpna route-distinguisher 1:1 vpn-target 1:1 export-extcommunity vpn-target 1:1 import-extcommunity
# ÅäÖõ½RR1µÄ½Ó¿Ú£¬²¢Ôڴ˽ӿÚÆôÓÃMPLS LDP
interface Ethernet2/2/0 ip address 10.0.0.202 255.255.255.252 isis enable mpls mpls ldp
# ´´½¨loopback ½Ó¿Ú0£¬ÔÚ½Ó¿ÚÉÏÔËÐÐISIS
interface LoopBack0 ip address 1.1.1.10 255.255.255.255
isis enable
# ´´½¨loopback ½Ó¿Ú200£¬½«½Ó¿Ú¼ÓÈëVPNʵÀývpna
interface LoopBack200 ip binding vpn-instance vpna ip address 200.1.1.1 255.255.255.0
# ÔÚPE1ÉÏÔËÐÐBGP£¬ASºÅ 100£¬ÅäÖõ½RRµÄIBGP¶ÔµÈÌå×éRR1
bgp 100 network 100.1.1.1 255.255.255.255 undo synchronization group RR internal peer RR label-route-capability
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peer RR connect-interface LoopBack0
peer 1.1.1.8 group RR
# ½«Ö±Á¬¶Ë¿Úloopback 200ÒýÈëvpnaµÄ·Óɱí
ipv4-family vpn-instance vpna import-route direct undo synchronization # ÅäÖõ½
RR1µÄVPNv4¶ÔµÈÌå×é
ipv4-family vpnv4 peer RR enable peer 1.1.1.8 group RR
PE2£¬RR2£¬ASBR2µÄÅäÖúÍPE1£¬RR1£¬ASBR1µÄÅäÖÃÀàͬ£¬ÂÔ¡£
µÈ´ýËùÓÐbgpÁÚ¾ÓÁ¬½Ó½¨Á¢ÒÔºó£¬ÔÚPE1¡¢PE2ÉÏ¿ÉÒÔ¿´µ½¶Ô·½µÄIPV4·ÓÉ200.1.1.1¡¢201.1.1.1£¬Ê¹ÓÃdisplay bgp routing-table label¡¢display mpls lsp,display bgp vpn all routing-table labelÃüÁî¿ÉÒÔ¿´µ½BGP+¡¢Ë½ÍøVPNv4¡¢¹«ÍøMPLSµÄlabel£¬¿ÉÒÔ¿´µ½´Ó¶Ô·½Ñ§µ½µÄVPNV4·ÓÉ¡£ËíµÀ½¨Á¢³É¹¦ºó£¬ÊôÓÚÒ»¸öVPNµÄCEÖ®¼ä¿ÉÒÔpingͨ¡£
5 ±êÇ©·ÖÅä
5.1 ´ÓAS100ÄÚVPNA ·¢ÍùAS200 VPNA ±¨ÎĵıêÇ© ·ÖÅäͼ
5.2 ´ÓAS200ÄÚVPNA ·¢ÍùAS100 VPNA ±¨ÎĵıêÇ© ·ÖÅäͼ
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