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Symmetric IRB

AOS-CX EVPN/VXLAN Symmetric IRB

 

Screenshot 2025-06-02 at 1.41.43 PM.png

 

Configuration for Route Reflector

 

bfd
!
vlan 1280
    name data-1280
vlan 4020
    name vxlan-connect
evpn
    vlan 1280
        rd auto
        route-target export auto
        route-target import auto
interface 1/1/23
    no shutdown
    mtu 9198
    no routing
    vlan access 4020
interface 1/1/24
    no shutdown
    mtu 9198
    no routing
    vlan access 4020
interface loopback 1
    ip address 10.255.1.1/32
    ip ospf 1 area 0.0.0.0
interface vlan 4020
    ip mtu 9198
    ip address 172.16.1.10/24
    ip ospf 1 area 0.0.0.0
    no ip ospf passive
interface vxlan 1
    source ip 10.255.1.1
    no shutdown
    vni 1001280
        vlan 1280
router ospf 1
    router-id 10.255.1.1
    passive-interface default
    bfd all-interfaces
    redistribute connected
    area 0.0.0.0
router bgp 65001
    bgp router-id 10.255.1.1
    neighbor mcast-mdf peer-group
    neighbor mcast-mdf remote-as 65001
    neighbor mcast-mdf update-source loopback 1
    neighbor 10.255.1.2 peer-group mcast-mdf
    neighbor 10.255.1.3 peer-group mcast-mdf
    address-family l2vpn evpn
        neighbor mcast-mdf send-community both
        neighbor 10.255.1.2 route-reflector-client
        neighbor 10.255.1.2 activate
        neighbor 10.255.1.3 route-reflector-client
        neighbor 10.255.1.3 activate
    exit-address-family
!

 

Configuration for left leaf switch VLAN 90

 

bfd
vrf Data
    rd 65001:100
    route-target export 65001:100 evpn
    route-target import 65001:100 evpn
vlan 90
    name v90
vlan 1280
    name Data-1280
vlan 4020
    name vxlan-connect
virtual-mac 00:00:02:00:03:00
evpn
    vlan 90
        rd auto
        route-target export auto
        route-target import auto
        redistribute host-route
    vlan 1280
        rd auto
        route-target export auto
        route-target import auto
interface 1/1/24
    no shutdown
    no routing
    mtu 9198
    vlan access 4020
interface loopback 1
    ip address 10.255.1.3/32
    ip ospf 1 area 0.0.0.0
interface vlan 90
    vrf attach Data
    ip address 192.168.90.1/24
    active-gateway ip mac 00:00:02:00:00:03
    active-gateway ip 192.168.90.1
interface vlan 4020
    ip mtu 9198
    ip address 172.16.1.30/24
    ip ospf 1 area 0.0.0.0
interface vxlan 1
    source ip 10.255.1.3
    no shutdown
    vni 1000090
        vlan 90
    vni 1001280
        vlan 1280
    vni 2000100
        vrf Data
        routing
!
router ospf 1
    router-id 10.255.1.3
    bfd all-interfaces
    area 0.0.0.0
router bgp 65001
    bgp router-id 10.255.1.3
    neighbor mcast-core peer-group
    neighbor mcast-core remote-as 65001
    neighbor mcast-core update-source loopback 1
    neighbor 10.255.1.1 peer-group mcast-core
    neighbor 10.255.1.2 peer-group mcast-core
    address-family l2vpn evpn
        neighbor mcast-core send-community both
        neighbor 10.255.1.1 activate
    exit-address-family
!
    vrf Data
        address-family ipv4 unicast
            redistribute connected
        exit-address-family
!

Configuration for right leaf switch VLAN 91

bfd
vrf Data
    rd 65001:100
    route-target export 65001:100 evpn
    route-target import 65001:100 evpn
vlan 91
    name v91
vlan 1280
    name data-1280
vlan 4020
    name vxlan-connect
virtual-mac 00:00:02:00:02:00
evpn
    vlan 91
        rd auto
        route-target export auto
        route-target import auto                               
        redistribute host-route
    vlan 1280
        rd auto
        route-target export auto
        route-target import auto
interface 1/1/11
    no shutdown
    no routing
    vlan access 91
interface 1/1/48
    no shutdown
    mtu 9198
    no routing
    vlan access 4020
interface loopback 1
    ip address 10.255.1.2/32
    ip ospf 1 area 0.0.0.0
interface vlan 91
    vrf attach Data
    ip address 192.168.91.1/24
    active-gateway ip mac 00:00:02:00:00:02
    active-gateway ip 192.168.91.1
interface vlan 4020
    ip mtu 9198
    ip address 172.16.1.20/24
    ip ospf 1 area 0.0.0.0
    no ip ospf passive
interface vxlan 1
    source ip 10.255.1.2
    no shutdown
    vni 1000091
        vlan 91
    vni 1001280
        vlan 1280
    vni 2000100
        vrf Data 
        routing
!
router ospf 1
    router-id 10.255.1.2
    passive-interface default
    bfd all-interfaces
    redistribute connected
    area 0.0.0.0
router bgp 65001
    bgp router-id 10.255.1.2
    neighbor mcast-core peer-group
    neighbor mcast-core remote-as 65001
    neighbor mcast-core update-source loopback 1
    neighbor 10.255.1.1 peer-group mcast-core
    neighbor 10.255.1.3 peer-group mcast-core
    address-family l2vpn evpn
        neighbor mcast-core send-community both                
        neighbor 10.255.1.1 activate
    exit-address-family
!
    vrf Data
        address-family ipv4 unicast
            redistribute connected
        exit-address-family
!

 

 

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