EVPN with eBGP Configuration Example

Configuration Notes
- Configure and apply IP Anycast on leafs (see IP and MAC Anycast, and configure IP address on tenant VLAN and enable IP forwarding.
- EVI with manual RT is
configured. Here is an
example:
create bgp EVPN instance evi_1 configure bgp EVPN instance evi_1 VXLAN vni 100 create bgp EVPN instance evi_2 configure bgp EVPN instance evi_2 VXLAN vni 200 configure bgp EVPN instance evi_1 route-target both add 100:100 configure bgp EVPN instance evi_2 route-target both add 200:200
- MLAG peers share the same LTEP IP, but use different BGP router IDs.
- BGP adjacency between MLAG peers is recommended for alternate path (additional L3 VLAN between MLAG peers).
- OSPF routes are exported to BGP on spine1.
- Single-hop eBGP is used for underlay and overlay.
- On spines, the “Next-Hop-Unchnaged” option is used for l2vpn-EVPN address family.
- BGP fast-external-fallover is enabled on all nodes.
- Static LACP MAC is configured on MLAG peers.
- BGP maximum paths is set to 2 for this topology and IP route sharing is enabled.
- ARP suppression is enabled on tenant VLANs.

Note
On SLX and other platforms “retain route-targets” should be enabled on spine/transit L3 nodes. ExtremeXOSby default retains all RTs and does not have a command to tun it off.
Note
Using auto-peering negates the need for manual BGP and EVI configuration. BGP Auto-peering can be created with the command create auto-peering bgp vlans 4010-4020 routerid 1.1.1.100 AS-number 10000:- 4010-4020 VLANs are automatically created by BGP Auto-peering. Ports are added to these VLANs as untagged.
- BGP Auto-peering uses eBGP—all nodes in auto-peering domain need to use different AS numbers.
- On the MLAG peers—ISC ports should be tagged on all user-created VLANs.
Leaf 1
# # Module vlan configuration. # configure vlan default delete ports all configure vr VR-Default delete ports 1-36 configure vr VR-Default add ports 1-36 configure vlan default delete ports 1,4-5,7,16,19,21 enable jumbo-frame ports all create vlan "isc" configure vlan isc tag 4000 create vlan "loop" enable loopback-mode vlan loop create vlan "mlagvtep" enable loopback-mode vlan mlagvtep create vlan "tenant" configure vlan tenant tag 10 configure vlan tenant suppress arp-only create vlan "trunk1_2" configure vlan trunk1_2 tag 4001 create vlan "trunk1_3" create vlan "trunk1_4" create vlan "untagtenant" configure vlan untagtenant suppress arp-only configure ports 1 auto off speed 10000 duplex full configure ports 2 auto off speed 10000 duplex full configure ports 3 auto off speed 10000 duplex full configure ports 4 auto off speed 10000 duplex full configure ports 5 auto off speed 10000 duplex full configure ports 6 auto off speed 10000 duplex full configure ports 7 auto off speed 10000 duplex full configure ports 8 auto off speed 10000 duplex full configure ports 9 auto off speed 10000 duplex full configure ports 10 auto off speed 10000 duplex full configure ports 11 auto off speed 10000 duplex full configure ports 12 auto off speed 10000 duplex full configure ports 13 auto off speed 10000 duplex full configure ports 14 auto off speed 10000 duplex full configure ports 15 auto off speed 10000 duplex full configure ports 16 auto off speed 10000 duplex full configure ports 17 auto off speed 10000 duplex full configure ports 18 auto off speed 10000 duplex full configure ports 19 auto off speed 10000 duplex full configure ports 20 auto off speed 10000 duplex full configure ports 21 auto off speed 10000 duplex full configure ports 22 auto off speed 10000 duplex full configure ports 23 auto off speed 10000 duplex full configure ports 24 auto off speed 10000 duplex full configure ports 26 auto off speed 10000 duplex full configure ports 27 auto off speed 10000 duplex full configure ports 28 auto off speed 10000 duplex full enable sharing 1 grouping 1 algorithm address-based L2 lacp configure vlan Default add ports 2-3,6,8-15,17-18,20,22-36 untagged configure vlan isc add ports 21 tagged configure vlan tenant add ports 1,16,21 tagged configure vlan trunk1_2 add ports 21 tagged configure vlan trunk1_3 add ports 5 untagged configure vlan trunk1_4 add ports 7 untagged configure vlan untagtenant add ports 1,16,21 untagged configure vlan isc ipaddress 172.16.1.0 255.255.255.254 configure vlan loop ipaddress 1.1.1.1 255.255.255.255 enable ipforwarding vlan loop configure vlan Mgmt ipaddress 10.127.16.27 255.255.255.0 configure vlan mlagvtep ipaddress 1.1.1.200 255.255.255.255 enable ipforwarding vlan mlagvtep configure vlan tenant ipaddress 10.1.100.100 255.255.255.0 enable ipforwarding vlan tenant configure vlan trunk1_2 ipaddress 192.168.5.0 255.255.255.254 enable ipforwarding vlan trunk1_2 configure vlan trunk1_3 ipaddress 192.168.1.0 255.255.255.254 enable ipforwarding vlan trunk1_3 configure vlan trunk1_4 ipaddress 192.168.2.0 255.255.255.254 enable ipforwarding vlan trunk1_4 configure vlan untagtenant ipaddress 20.1.100.100 255.255.255.0 enable ipforwarding vlan untagtenant # # Module mcmgr configuration. # disable igmp snooping vlan "tenant" disable igmp snooping vlan "untagtenant" # # Module vsm configuration. # create mlag peer "leaf2" configure mlag peer "leaf2" ipaddress 172.16.1.1 vr VR-Default configure mlag peer "leaf2" lacp-mac 00:00:de:ad:be:ef enable mlag port 1 peer "leaf2" id 1 # # Module bgp configuration. # configure bgp AS-number 10000 configure bgp routerid 1.1.1.1 configure bgp maximum-paths 2 enable bgp fast-external-fallover configure bgp add network 1.1.1.1/32 configure bgp add network 1.1.1.200/32 create bgp neighbor 192.168.1.1 remote-AS-number 30000 enable bgp neighbor 192.168.1.1 create bgp neighbor 192.168.2.1 remote-AS-number 40000 enable bgp neighbor 192.168.2.1 create bgp neighbor 192.168.5.1 remote-AS-number 20000 enable bgp neighbor 192.168.5.1 enable bgp neighbor 192.168.5.1 address-family l2vpn-evpn next-hop-unchanged enable bgp neighbor 192.168.1.1 capability l2vpn-EVPN enable bgp neighbor 192.168.2.1 capability l2vpn-EVPN enable bgp neighbor 192.168.5.1 capability l2vpn-EVPN enable bgp export direct address-family ipv4-unicast enable bgp create bgp EVPN instance evi_1 configure bgp EVPN instance evi_1 VXLAN vni 100 create bgp EVPN instance evi_2 configure bgp EVPN instance evi_2 VXLAN vni 200 configure bgp EVPN instance evi_1 route-target both add 100:100 configure bgp EVPN instance evi_2 route-target both add 200:200 # # Module otm configuration. # configure virtual-network local-endpoint ipaddress 1.1.1.200 vr "VR-Default" create virtual-network "vni1" flooding standard configure virtual-network "vni1" VXLAN vni 100 configure virtual-network "vni1" add vlan tenant create virtual-network "vni2" flooding standard configure virtual-network "vni2" VXLAN vni 200 configure virtual-network "vni2" add vlan untagtenant
Leaf 2
# # Module vlan configuration. # configure vlan default delete ports all configure vr VR-Default delete ports 1-72 configure vr VR-Default add ports 1-72 configure vlan default delete ports 1-72 enable jumbo-frame ports all create vlan "isc" configure vlan isc tag 4000 create vlan "loop" enable loopback-mode vlan loop create vlan "loop2" enable loopback-mode vlan loop2 create vlan "mlagvtep" enable loopback-mode vlan mlagvtep create vlan "tenant" configure vlan tenant tag 10 configure vlan tenant suppress arp-only create vlan "trunk1_2" configure vlan trunk1_2 tag 4001 create vlan "trunk2_3" create vlan "trunk2_4" create vlan "untagtenant" configure vlan untagtenant suppress arp-only configure ports 50 auto off speed 10000 duplex full configure ports 51 auto off speed 10000 duplex full configure ports 52 auto off speed 10000 duplex full enable sharing 53 grouping 53-56 algorithm address-based L2 lacp configure vlan isc add ports 66 tagged configure vlan tenant add ports 4-5,53,66 tagged configure vlan trunk1_2 add ports 66 tagged configure vlan trunk2_3 add ports 57 untagged configure vlan trunk2_4 add ports 49 untagged configure vlan untagtenant add ports 4-5,53,66 untagged configure vlan isc ipaddress 172.16.1.1 255.255.255.254 configure vlan loop ipaddress 2.2.2.2 255.255.255.255 enable ipforwarding vlan loop configure vlan loop2 ipaddress 2.2.2.100 255.255.255.255 enable ipforwarding vlan loop2 configure vlan Mgmt ipaddress 10.127.16.19 255.255.255.0 configure vlan mlagvtep ipaddress 1.1.1.200 255.0.0.0 enable ipforwarding vlan mlagvtep configure vlan tenant ipaddress 10.1.100.100 255.255.255.0 enable ipforwarding vlan tenant configure vlan trunk1_2 ipaddress 192.168.5.1 255.255.255.254 enable ipforwarding vlan trunk1_2 configure vlan trunk2_3 ipaddress 192.168.3.0 255.255.255.254 enable ipforwarding vlan trunk2_3 configure vlan trunk2_4 ipaddress 192.168.4.0 255.255.255.254 enable ipforwarding vlan trunk2_4 configure vlan untagtenant ipaddress 20.1.100.100 255.255.255.0 enable ipforwarding vlan untagtenant # # Module mcmgr configuration. # disable igmp snooping vlan "tenant" disable igmp snooping vlan "untagtenant" # # Module otm configuration. # configure virtual-network local-endpoint ipaddress 1.1.1.200 vr "VR-Default" create virtual-network "vni1" flooding standard configure virtual-network "vni1" VXLAN vni 100 configure virtual-network "vni1" add vlan tenant create virtual-network "vni2" flooding standard configure virtual-network "vni2" VXLAN vni 200 configure virtual-network "vni2" add vlan untagtenant # # Module bgp configuration. # configure bgp AS-number 20000 configure bgp routerid 2.2.2.2 configure bgp maximum-paths 2 enable bgp fast-external-fallover configure bgp add network 1.1.1.200/32 configure bgp add network 2.2.2.2/32 create bgp neighbor 192.168.3.1 remote-AS-number 30000 enable bgp neighbor 192.168.3.1 create bgp neighbor 192.168.4.1 remote-AS-number 40000 enable bgp neighbor 192.168.4.1 create bgp neighbor 192.168.5.0 remote-AS-number 10000 enable bgp neighbor 192.168.5.0 enable bgp neighbor 192.168.5.0 address-family l2vpn-evpn next-hop-unchanged enable bgp neighbor 192.168.3.1 capability l2vpn-EVPN enable bgp neighbor 192.168.4.1 capability l2vpn-EVPN enable bgp neighbor 192.168.5.0 capability l2vpn-EVPN enable bgp export direct address-family ipv4-unicast enable bgp create bgp EVPN instance evi_1 configure bgp EVPN instance evi_1 VXLAN vni 100 create bgp EVPN instance evi_2 configure bgp EVPN instance evi_2 VXLAN vni 200 configure bgp EVPN instance evi_1 route-target both add 100:100 configure bgp EVPN instance evi_2 route-target both add 200:200 # # Module vrrp configuration. # create vrrp vlan tenant vrid 1 configure vrrp vlan tenant vrid 1 priority 255 create vrrp vlan untagtenant vrid 1 configure vrrp vlan untagtenant vrid 1 priority 255 configure vrrp vlan tenant vrid 1 add 10.1.100.100 configure vrrp vlan untagtenant vrid 1 add 20.1.100.100 enable vrrp vlan tenant vrid 1 enable vrrp vlan untagtenant vrid 1 # # Module vsm configuration. # create mlag peer "leaf1" configure mlag peer "leaf1" ipaddress 172.16.1.0 vr VR-Default configure mlag peer "leaf1" lacp-mac 00:00:de:ad:be:ef enable mlag port 53 peer "leaf1" id 1
Leaf 3
# # Module vlan configuration. # configure vlan default delete ports all configure vr VR-Default delete ports 1-56 configure vr VR-Default add ports 1-56 configure vlan default delete ports 1,50-51 enable jumbo-frame ports all create vlan "leaf3_trunk1" create vlan "leaf3_trunk2" create vlan "loop" enable loopback-mode vlan loop create vlan "tenant" configure vlan tenant tag 10 configure vlan tenant suppress arp-only create vlan "untagtenant" configure vlan untagtenant suppress arp-only configure ports 49 auto off speed 10000 duplex full configure ports 50 auto off speed 10000 duplex full configure ports 51 auto off speed 10000 duplex full configure ports 52 auto off speed 10000 duplex full configure ports 54 auto off speed 10000 duplex full configure ports 55 auto off speed 10000 duplex full configure ports 56 auto off speed 10000 duplex full configure vlan Default add ports 2-49,52-56 untagged configure vlan leaf3_trunk1 add ports 51 untagged configure vlan leaf3_trunk2 add ports 50 untagged configure vlan tenant add ports 1 tagged configure vlan untagtenant add ports 1 untagged configure vlan leaf3_trunk1 ipaddress 192.168.6.0 255.255.255.254 enable ipforwarding vlan leaf3_trunk1 configure vlan leaf3_trunk2 ipaddress 192.168.7.0 255.255.255.254 enable ipforwarding vlan leaf3_trunk2 configure vlan loop ipaddress 5.5.5.5 255.255.255.255 enable ipforwarding vlan loop configure vlan Mgmt ipaddress 10.127.16.17 255.255.255.0 configure vlan tenant ipaddress 10.1.100.100 255.255.255.0 enable ipforwarding vlan tenant configure vlan untagtenant ipaddress # Module mcmgr configuration. # disable igmp snooping vlan "tenant" disable igmp snooping vlan "untagtenant" # # Module otm configuration. # configure virtual-network local-endpoint ipaddress 5.5.5.5 vr "VR-Default" create virtual-network "vni1" flooding standard configure virtual-network "vni1" VXLAN vni 100 configure virtual-network "vni1" add vlan tenant create virtual-network "vni2" flooding standard configure virtual-network "vni2" VXLAN vni 200 configure virtual-network "vni2" add vlan untagtenant # # Module bgp configuration. # configure bgp AS-number 50000 configure bgp routerid 5.5.5.5 configure bgp maximum-paths 2 enable bgp fast-external-fallover configure bgp restart both configure bgp add network 5.5.5.5/32 create bgp neighbor 192.168.6.1 remote-AS-number 30000 enable bgp neighbor 192.168.6.1 create bgp neighbor 192.168.7.1 remote-AS-number 40000 enable bgp neighbor 192.168.7.1 enable bgp neighbor 192.168.6.1 capability l2vpn-EVPN enable bgp neighbor 192.168.7.1 capability l2vpn-EVPN enable bgp create bgp EVPN instance evi_1 configure bgp EVPN instance evi_1 VXLAN vni 100 create bgp EVPN instance evi_2 configure bgp EVPN instance evi_2 VXLAN vni 200 configure bgp EVPN instance evi_1 route-target both add 100:100 configure bgp EVPN instance evi_2 route-target both add 200:200 # # Module vrrp configuration. # create vrrp vlan tenant vrid 1 configure vrrp vlan tenant vrid 1 priority 255 create vrrp vlan untagtenant vrid 1 configure vrrp vlan untagtenant vrid 1 priority 255 configure vrrp vlan tenant vrid 1 add 10.1.100.100 configure vrrp vlan untagtenant vrid 1 add 20.1.100.100 enable vrrp vlan tenant vrid 1 enable vrrp vlan untagtenant vrid 1
Spine 1
configure vlan default delete ports all configure vr VR-Default delete ports 1-128 configure vr VR-Default add ports 1-128 configure vlan default delete ports 33,57,89,105 enable jumbo-frame ports all create vlan "leaf3_trunk1" create vlan "loop" enable loopback-mode vlan loop create vlan "routed" configure vlan routed tag 4030 create vlan "trunk1_3" create vlan "trunk2_3" configure vlan Default add ports 1-32,34-56,58-88,90-104,106-128 untagged configure vlan leaf3_trunk1 add ports 89 untagged configure vlan routed add ports 33 tagged configure vlan trunk1_3 add ports 57 untagged configure vlan trunk2_3 add ports 105 untagged configure vlan leaf3_trunk1 ipaddress 192.168.6.1 255.255.255.254 enable ipforwarding vlan leaf3_trunk1 configure vlan loop ipaddress 3.3.3.100 255.0.0.0 enable ipforwarding vlan loop configure vlan Mgmt ipaddress 10.127.16.24 255.255.255.0 configure vlan routed ipaddress 172.16.1.1 255.255.255.0 enable ipforwarding vlan routed configure vlan trunk1_3 ipaddress 192.168.1.1 255.255.255.254 enable ipforwarding vlan trunk1_3 configure vlan trunk2_3 ipaddress 192.168.3.1 255.255.255.254 enable ipforwarding vlan trunk2_3 # # Module bgp configuration. # configure bgp AS-number 30000 configure bgp routerid 3.3.3.3 configure bgp maximum-paths 2 enable bgp fast-external-fallover configure bgp add network 3.3.3.100/32 create bgp neighbor 192.168.1.0 remote-AS-number 10000 enable bgp neighbor 192.168.1.0 create bgp neighbor 192.168.3.0 remote-AS-number 20000 enable bgp neighbor 192.168.3.0 create bgp neighbor 192.168.6.0 remote-AS-number 50000 enable bgp neighbor 192.168.6.0 enable bgp neighbor 192.168.1.0 capability l2vpn-EVPN enable bgp neighbor 192.168.1.0 address-family l2vpn-EVPN next-hop-unchanged enable bgp neighbor 192.168.3.0 capability l2vpn-EVPN enable bgp neighbor 192.168.3.0 address-family l2vpn-EVPN next-hop-unchanged enable bgp neighbor 192.168.6.0 capability l2vpn-EVPN enable bgp neighbor 192.168.6.0 address-family l2vpn-EVPN next-hop-unchanged enable bgp export ospf-extern1 address-family ipv4-unicast enable bgp export ospf-extern2 address-family ipv4-unicast enable bgp export ospf-inter address-family ipv4-unicast enable bgp export ospf-intra address-family ipv4-unicast enable bgp create bgp EVPN instance evi_1 configure bgp EVPN instance evi_1 VXLAN vni 100 create bgp EVPN instance evi_2 configure bgp EVPN instance evi_2 VXLAN vni 200 configure bgp EVPN instance evi_1 route-target both add 100:100 configure bgp EVPN instance evi_2 route-target both add 200:200 # # Module ospf configuration. # enable ospf configure ospf add vlan routed area 0.0.0.0
Spine 2
# # Module vlan configuration. # configure vlan default delete ports all configure vr VR-Default delete ports 1-64 configure vr VR-Default add ports 1-64 configure vlan default delete ports 25,27,49 create vlan "leaf3_trunk2" create vlan "loop" enable loopback-mode vlan loop create vlan "trunk1_4" create vlan "trunk2_4" configure ports 1 auto off speed 10000 duplex full configure ports 2 auto off speed 10000 duplex full configure ports 3 auto off speed 10000 duplex full configure ports 4 auto off speed 10000 duplex full configure ports 5 auto off speed 10000 duplex full configure ports 6 auto off speed 10000 duplex full configure ports 7 auto off speed 10000 duplex full configure ports 8 auto off speed 10000 duplex full configure ports 9 auto off speed 10000 duplex full configure ports 10 auto off speed 10000 duplex full configure ports 11 auto off speed 10000 duplex full configure ports 12 auto off speed 10000 duplex full configure ports 13 auto off speed 10000 duplex full configure ports 14 auto off speed 10000 duplex full configure ports 15 auto off speed 10000 duplex full configure ports 16 auto off speed 10000 duplex full configure ports 17 auto off speed 10000 duplex full configure ports 18 auto off speed 10000 duplex full configure ports 19 auto off speed 10000 duplex full configure ports 20 auto off speed 10000 duplex full configure ports 21 auto off sp