华为evpn简单配置案例

转发流程思路：
pe收到ce发来的数据包后，转成vpn实例路由，进mp-evpn先打上内部标签再根据下一跳进入ldp外部标签转发到对端。

p

router id 2.2.2.2

mpls lsr-id 2.2.2.2
mpls

mpls ldp

isis 1
cost-style wide
network-entity 49.0001.0000.0000.0002.00
is-name p

interface GigabitEthernet0/0/0
ip address 100.0.0.1 255.255.255.252
isis enable 1
mpls
mpls ldp

interface GigabitEthernet0/0/1
ip address 200.0.0.1 255.255.255.252
isis enable 1
mpls
mpls ldp

interface LoopBack0
ip address 2.2.2.2 255.255.255.255
isis enable 1

pe1

ip vpn-instance vpn
ipv4-family
route-distinguisher 100:1
vpn-target 100:1 export-extcommunity evpn //配置ipv4地址族evpn的vpn-instance扩展团体属性。
vpn-target 100:1 import-extcommunity evpn
evpn mpls routing-enable //使能evpn生成和发布ip前缀和IRB路由功能

mpls lsr-id 1.1.1.1

mpls

mpls ldp

isis 1
cost-style wide
network-entity 49.0001.0000.0000.0001.00
is-name pe1

interface Ethernet1/0/0
undo shutdown
ip address 100.0.0.2 255.255.255.252
isis enable 1
mpls
mpls ldp
undo dcn
undo dcn mode vlan

interface Ethernet1/0/1
undo shutdown
ip binding vpn-instance vpn
ip address 192.168.0.1 255.255.255.252
undo dcn
undo dcn mode vlan

interface LoopBack0
ip address 1.1.1.1 255.255.255.255
isis enable 1

bgp 100
router-id 1.1.1.1
peer 3.3.3.3 as-number 100
peer 3.3.3.3 connect-interface LoopBack0

ipv4-family unicast
undo synchronization
peer 3.3.3.3 enable

ipv4-family vpn-instance vpn
import-route ospf 1
advertise l2vpn evpn //使能vpn实例发布evpn的ip前缀路由功能。

l2vpn-family evpn
undo policy vpn-target
peer 3.3.3.3 enable

ospf 1 vpn-instance vpn
import-route bgp
area 0.0.0.0
network 192.168.0.1 0.0.0.0

undo dcn //全局关掉dcn功能，要不然每个物理接口都有子接口

pe2

ip vpn-instance vpn
ipv4-family
route-distinguisher 100:1
vpn-target 100:1 export-extcommunity evpn
vpn-target 100:1 import-extcommunity evpn
evpn mpls routing-enable

mpls lsr-id 3.3.3.3

mpls

mpls ldp

isis 1
cost-style wide
network-entity 49.0001.0000.0000.0003.00
is-name pe2

interface Ethernet1/0/0
undo shutdown
ip address 200.0.0.2 255.255.255.252
isis enable 1
mpls
mpls ldp
undo dcn
undo dcn mode vlan

interface Ethernet1/0/1
undo shutdown
ip binding vpn-instance vpn
ip address 192.168.1.1 255.255.255.252
undo dcn
undo dcn mode vlan

interface LoopBack0
ip address 3.3.3.3 255.255.255.255
isis enable 1

interface NULL0

bgp 100
router-id 3.3.3.3
peer 1.1.1.1 as-number 100
peer 1.1.1.1 connect-interface LoopBack0

ipv4-family unicast
undo synchronization
peer 1.1.1.1 enable

ipv4-family vpn-instance vpn
advertise l2vpn evpn
peer 192.168.1.2 as-number 65001

l2vpn-family evpn
undo policy vpn-target
peer 1.1.1.1 enable

undo dcn

dis bgp evpn all routing-table
查看路由

查看明细：
dis bgp evpn all routing-table prefix-route 0:XXXX:32