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* Êä­
Native ¤Ï Router-A¡¢VRF Buser ¤ÏRouter-C¤Ë¤Æ¥Ç¥Õ¥©¥ë¥È¥ë¡¼¥È¤òÀ¸À®¤·¡¢OSPF¤ÇºÆÇÛ¿®¤·¤Æ¤¤¤Þ¤¹¡£

¡ÚRouter-A¤ÎÀßÄêÆâÍÆ¡Û(È´¿è)

¡ú VRF¤ÎÄêµÁ ¢¨º£²ó¤ÏµìBµòÅÀ¥Í¥Ã¥È¥ï¡¼¥¯¤òVRF¤Î¥¤¥ó¥¹¥¿¥ó¥¹¤È¤·¤ÆÄêµÁ
!
ip vrf Buser
!
¡ú loopback ¤Ï¡¢Native¤ÈVRF¡¢¤½¤ì¤¾¤ì¤ÇÀßÄê
!
interface Loopback0
ip address 10.0.0.1 255.255.255.255
!
interface Loopback1
ip vrf forwarding Buser
ip address 10.0.255.1 255.255.255.255
!
¡ú ¥²¡¼¥È¥¦¥§¥¤ÁõÃÖ¸þ¤±¤ÎʪÍý¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹
!
interface FastEthernet0/1
description "Gateway-A"
switchport access vlan 50
switchport mode access
!
¡ú Router-B ¸þ¤±¤ÎʪÍý¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹
!
interface GigabitEthernet0/1
description "Router-B"
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20
switchport mode trunk
!
¡ú Router-C ¸þ¤±¤ÎʪÍý¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹
!
interface GigabitEthernet0/2
description "Router-C"
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 30,40
switchport mode trunk
!
¡ú Router-A¡ÁRouter-B´Ö¤ÎÀܳÍÑ interface vlan¤ò¡¢Native¤ÈVRF¡¢¤½¤ì¤¾¤ì¤ÇÀßÄê
!
interface Vlan10
description "Router-B-Native"
ip address 10.0.10.253 255.255.255.252
!
interface Vlan20
description "Router-B-VRF-Buser"
ip vrf forwarding Buser
ip address 10.0.20.253 255.255.255.252
!
¡ú Router-A¡ÁRouter-C´Ö¤ÎÀܳÍÑ interface vlan¤ò¡¢Native¤ÈVRF¡¢¤½¤ì¤¾¤ì¤ÇÀßÄê
!
interface Vlan30
description "Router-C-Native"
ip address 10.0.30.253 255.255.255.252
!
interface Vlan40
description "Router-C-VRF-Buser"
ip vrf forwarding Buser
ip address 10.0.40.253 255.255.255.252
!
¡ú Router-A¡ÁGateway´Ö¤ÎÀܳÍÑ interface vlan¤òºîÀ®
!
interface Vlan50
description "Router-C-Native"
ip address 10.0.50.2 255.255.255.252
!
¡ú Native ¥µ¡¼¥Ð¼ýÍÆ interface vlan¤òºîÀ®
!
interface Vlan100
description "vlan100-Native"
ip address 10.0.100.1 255.255.255.0
!
¡ú Native¤ÈVRF¡¢¤½¤ì¤¾¤ì¤ÇOSPF¤òÆ°¤«¤¹
!
router ospf 1
router-id 10.0.0.1
log-adjacency-changes
default-information originate
passive-interface Vlan100
network 10.0.0.1 0.0.0.0 area 0
network 10.0.10.253 0.0.0.0 area 0
network 10.0.30.253 0.0.0.0 area 0
network 10.0.50.2 0.0.0.0 area 0
network 10.0.100.1 0.0.0.0 area 0
!
router ospf 2 vrf Buser
router-id 10.0.255.1
log-adjacency-changes
network 10.0.20.253 0.0.0.0 area 0
network 10.0.40.253 0.0.0.0 area 0
network 10.0.255.1 0.0.0.0 area 0
!
!
¡ú Native ÍѤΠdefault route ¤òÀßÄê
!
ip route 0.0.0.0 0.0.0.0 10.0.50.1
!
!

¡ÚRouter-B¤ÎÀßÄêÆâÍÆ¡Û(È´¿è)

¡ú VRF¤ÎÄêµÁ
!
ip vrf Buser
!
¡ú loopback ¤Ï¡¢Native¤ÈVRF¡¢¤½¤ì¤¾¤ì¤ÇÀßÄê
!
interface Loopback0
ip address 10.0.0.2 255.255.255.255
!
interface Loopback1
ip vrf forwarding Buser
ip address 10.0.255.2 255.255.255.255
!
¡ú Router-A ¸þ¤±¤ÎʪÍý¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹
!
interface GigabitEthernet0/1
description "Router-A"
switchport trunk encapsulation dot1q
switchport trunk allowed vlan 10,20
switchport mode trunk
!
¡ú Router-A¡ÁRouter-B´Ö¤ÎÀܳÍÑ interface vlan¤ò¡¢Native¤ÈVRF¡¢¤½¤ì¤¾¤ì¤ÇÀßÄê
!
interface Vlan10
description "Router-A-Native"
ip address 10.0.10.254 255.255.255.252
!
interface Vlan20
description "Router-A-VRF-Buser"
ip vrf forwarding Buser
ip address 10.0.20.254 255.255.255.252
!
¡ú Native ¥æ¡¼¥¶¼ýÍÆÍÑ interface vlan¤òºîÀ®
!
interface Vlan101
description "vlan101-Native"
ip address 10.0.101.1 255.255.255.0
!
interface Vlan102
description "vlan102-Native"
ip address 10.0.102.1 255.255.255.0
!
¡ú VRF ¥æ¡¼¥¶¼ýÍÆÍÑ interface vlan¤òºîÀ®
!
interface Vlan201
description "vlan201-VRF-Buser"
ip vrf forwarding Buser
ip address 10.0.201.1 255.255.255.0
!
interface Vlan202
description "vlan201-VRF-Buser"
ip vrf forwarding Buser
ip address 10.0.201.1 255.255.255.0
!
¡ú Native¤ÈVRF¡¢¤½¤ì¤¾¤ì¤ÇOSPF¤òÆ°¤«¤¹
!
router ospf 1
router-id 10.0.0.2
log-adjacency-changes
passive-interface Vlan101
passive-interface Vlan102
network 10.0.0.2 0.0.0.0 area 0
network 10.0.10.254 0.0.0.0 area 0
network 10.0.101.1 0.0.0.0 area 0
network 10.0.102.1 0.0.0.0 area 0
!
router ospf 2 vrf Buser
router-id 10.0.255.2
log-adjacency-changes
passive-interface Vlan201
passive-interface Vlan202
network 10.0.20.254 0.0.0.0 area 0
network 10.0.201.1 0.0.0.0 area 0
network 10.0.202.1 0.0.0.0 area 0
network 10.0.255.2 0.0.0.0 area 0
!

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¡ÚNative¦¡Û

Router-B#sh ip route

Gateway of last resort is 10.0.10.253 to network 0.0.0.0

10.0.0.0/8 is variably subnetted, 11 subnets, 3 masks
C 10.0.0.2/32 is directly connected, Loopback0
O 10.0.0.1/32 [110/2] via 10.0.10.253, 00:15:43, Vlan10
O 10.0.60.0/30 [110/7] via 10.0.10.253, 00:15:43, Vlan10
O 10.0.50.0/30 [110/2] via 10.0.10.253, 00:15:43, Vlan10
O 10.0.100.0/24 [110/2] via 10.0.10.253, 00:15:43, Vlan10
O 10.0.40.252/30 [110/7] via 10.0.10.253, 00:15:43, Vlan10
O 10.0.20.252/30 [110/8] via 10.0.10.253, 00:15:43, Vlan10
O 10.0.30.252/30 [110/2] via 10.0.10.253, 00:15:44, Vlan10
O 10.0.255.1/32 [110/8] via 10.0.10.253, 00:15:44, Vlan10
O 10.0.255.2/32 [110/9] via 10.0.10.253, 00:15:44, Vlan10
C 10.0.10.252/30 is directly connected, Vlan10
O*E1 0.0.0.0/0 [110/12] via 10.0.10.253, 00:15:44, Vlan10

¡ÚVRF¦¡Û

Router-B#sh ip route vrf Buser

Gateway of last resort is 10.0.20.253 to network 0.0.0.0

10.0.0.0/8 is variably subnetted, 11 subnets, 3 masks
O 10.0.0.2/32 [110/9] via 10.0.20.253, 00:16:11, Vlan20
O 10.0.0.1/32 [110/8] via 10.0.20.253, 00:16:11, Vlan20
O 10.0.60.0/30 [110/7] via 10.0.20.253, 00:16:11, Vlan20
O 10.0.50.0/30 [110/8] via 10.0.20.253, 00:16:11, Vlan20
O 10.0.100.0/24 [110/8] via 10.0.20.253, 00:16:11, Vlan20
O 10.0.40.252/30 [110/2] via 10.0.20.253, 00:16:11, Vlan20
C 10.0.20.252/30 is directly connected, Vlan20
O 10.0.30.252/30 [110/7] via 10.0.20.253, 00:16:12, Vlan20
O 10.0.255.1/32 [110/2] via 10.0.20.253, 00:16:12, Vlan20
C 10.0.255.2/32 is directly connected, Loopback1
O 10.0.10.252/30 [110/8] via 10.0.20.253, 00:16:13, Vlan20
O*E1 0.0.0.0/0 [110/12] via 10.0.20.253, 00:16:13, Vlan20

¾åµ­¤ÎÄ̤ꡢƱ¤¸·ÐÏ©¸þ¤±¤Î°¸À襢¥É¥ì¥¹¤â¡¢¤½¤ì¤¾¤ì°Û¤Ê¤ë¥¢¥É¥ì¥¹¤ò³Ø½¬¤·¤Æ¤¤¤Þ¤¹¡£

¥¤¥ó¥¿¡¼¥Í¥Ã¥È¸þ¤±¤Î traceroute ¤ò³Îǧ

Router-B#traceroute 203.131.***.***

Type escape sequence to abort.
Tracing the route to 203.131.***.***

1 10.0.10.253 0 msec 0 msec 0 msec
2 10.0.50.1 0 msec 0 msec 0 msec
3 203.131.***.*** 0 msec 0 msec 9 msec
4 203.131.***.*** 0 msec 0 msec 8 msec

Router-B#traceroute vrf Buser ip 203.131.***.***

Type escape sequence to abort.
Tracing the route to 203.131.***.***

1 10.0.20.253 0 msec 0 msec 0 msec
2 10.0.40.253 0 msec 0 msec 0 msec
3 10.0.60.1 0 msec 0 msec 0 msec
4 203.174.***.*** 8 msec 9 msec 0 msec
5 203.131.***.*** 8 msec 0 msec 8 msec

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