underlay和overlay都使用EBGP如何配置啊？
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问题描述：
如果使用EBGP来传递underlay路由和overlay落于，如何配置？为啥我的evpn路由没有？
组网及组网描述：
leaf：
bgp 100
router-id 3.3.3.3
timer keepalive 3 hold 9
group spine external
peer spine as-number 65000
peer spine route-update-interval 0
peer spine timer connect-retry 5
peer 172.16.11.1 group spine
peer 172.16.21.1 group spine
#
address-family ipv4 unicast
balance 16
import-route direct route-policy router
peer spine enable
#
address-family l2vpn evpn
peer spine enable
spine：
#
bgp 65000
router-id 1.1.1.1
timer keepalive 3 hold 9
group leaf external
peer leaf route-update-interval 0
peer leaf timer connect-retry 5
peer 172.16.11.2 as-number 100
peer 172.16.11.2 group leaf
peer 172.16.12.2 as-number 200
peer 172.16.12.2 group leaf
#
address-family ipv4 unicast
balance 16
import-route direct route-policy router
peer leaf enable
#
address-family l2vpn evpn
undo policy vpn-target
peer leaf enable
- 2025-02-25提问
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最佳答案
#leaf配置
l2vpn enable
vxlan tunnel arp-learning disable
#
vsi vpna
vxlan 10
evpn encapsulation vxlan
route-distinguisher 10:10
vpn-target 10:10 export-extcommunity
vpn-target 10:10 import-extcommunity
#
interface NULL0
#
interface LoopBack0
ip address 3.3.3.3 255.255.255.255
#
interface GigabitEthernet1/0/1
port link-mode route
combo enable fiber
ip address 172.16.11.2 255.255.255.252
#
interface GigabitEthernet1/0/2
port link-mode route
combo enable fiber
ip address 172.16.21.2 255.255.255.252
#
interface GigabitEthernet1/0/3
port link-mode bridge
port link-type trunk
port trunk permit vlan 1 10
combo enable fiber
vtep access port
#
service-instance 10
encapsulation s-vid 10
xconnect vsi vpna
#
bgp 100
router-id 3.3.3.3
timer keepalive 3 hold 9
group spine external
peer spine as-number 65000
peer spine route-update-interval 0
peer spine timer connect-retry 5
peer 172.16.11.1 group spine
peer 172.16.21.1 group spine
#
address-family ipv4 unicast
balance 16
import-route direct route-policy router
peer spine enable
#
address-family l2vpn evpn
peer spine enable
#
route-policy router permit node 1
if-match interface LoopBack0
#
return
- 2025-02-25回答
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控制层面没问题。看下业务网段
- 2025-02-25回答
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# l2vpn enable vxlan tunnel arp-learning disable # vsi vpna vxlan 10 evpn encapsulation vxlan route-distinguisher 10:10 vpn-target 10:10 export-extcommunity vpn-target 10:10 import-extcommunity # interface NULL0 # interface LoopBack0 ip address 3.3.3.3 255.255.255.255 # interface GigabitEthernet1/0/1 port link-mode route combo enable fiber ip address 172.16.11.2 255.255.255.252 # interface GigabitEthernet1/0/2 port link-mode route combo enable fiber ip address 172.16.21.2 255.255.255.252 # interface GigabitEthernet1/0/3 port link-mode bridge port link-type trunk port trunk permit vlan 1 10 combo enable fiber vtep access port # service-instance 10 encapsulation s-vid 10 xconnect vsi vpna # bgp 100 router-id 3.3.3.3 timer keepalive 3 hold 9 group spine external peer spine as-number 65000 peer spine route-update-interval 0 peer spine timer connect-retry 5 peer 172.16.11.1 group spine peer 172.16.21.1 group spine # address-family ipv4 unicast balance 16 import-route direct route-policy router peer spine enable # address-family l2vpn evpn peer spine enable # route-policy router permit node 1 if-match interface LoopBack0 # return
# l2vpn enable vxlan tunnel arp-learning disable # vsi vpna vxlan 10 evpn encapsulation vxlan route-distinguisher 10:10 vpn-target 10:10 export-extcommunity vpn-target 10:10 import-extcommunity # interface NULL0 # interface LoopBack0 ip address 3.3.3.3 255.255.255.255 # interface GigabitEthernet1/0/1 port link-mode route combo enable fiber ip address 172.16.11.2 255.255.255.252 # interface GigabitEthernet1/0/2 port link-mode route combo enable fiber ip address 172.16.21.2 255.255.255.252 # interface GigabitEthernet1/0/3 port link-mode bridge port link-type trunk port trunk permit vlan 1 10 combo enable fiber vtep access port # service-instance 10 encapsulation s-vid 10 xconnect vsi vpna # bgp 100 router-id 3.3.3.3 timer keepalive 3 hold 9 group spine external peer spine as-number 65000 peer spine route-update-interval 0 peer spine timer connect-retry 5 peer 172.16.11.1 group spine peer 172.16.21.1 group spine # address-family ipv4 unicast balance 16 import-route direct route-policy router peer spine enable # address-family l2vpn evpn peer spine enable # route-policy router permit node 1 if-match interface LoopBack0 # return
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