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admin@router1# set protocols bgp local-as 65101 admin@router1# set protocols bgp router-id 10.10.10.1 admin@router1# set protocols bgp neighbor 100.1.1.134 remote-as 650101 admin@router1# commit Commit OK. Save doneDone! |
The configuration below adds the evpn address family to the BGP neighbor address-family so that BGP peers activate exchanging EVPN routes with each other. After this configuration, the BGP still does not know about the local VNI's.
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Figure 1 shows our sample topology for EVPN symmetric routing. We have two routers with two servers connected to each router.
Figure 1 EVPN Symmetric Routing
The configuration for router Router 1 is show below.
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admin@router1# set interface gigabit-ethernet te-1/1/1 family ethernet-switching native-vlan-id 100 admin@router1# set interface gigabit-ethernet te-1/1/2 family ethernet-switching native-vlan-id 2221 admin@router1# set interface gigabit-ethernet te-1/1/10 family ethernet-switching native-vlan-id 1111 admin@router1# set interface gigabit-ethernet te-1/1/10 family ethernet-switching port-mode "trunk" admin@router1# set interface gigabit-ethernet te-1/1/10 family ethernet-switching vlan members 2221 admin@router1# set interface gigabit-ethernet te-1/1/11 family ethernet-switching native-vlan-id 2222 admin@router1# set interface ethernet-switching-options analyzer mirr1 input ingress te-1/1/1 admin@router1# set interface ethernet-switching-options analyzer mirr1 output "te-1/1/11" admin@router1# set l3-interface loopback address 201.201.201.201 prefix-length 32 admin@router1# set l3-interface loopback address 201.201.201.88 prefix-length 32 admin@router1# set l3-interface loopback address 201::201 prefix-length 128 admin@router1# set l3-interface vlan-interface vlan100 mtu 1450 admin@router1# set l3-interface vlan-interface vlan100 address 100.1.1.201 prefix-length 24 admin@router1# set l3-interface vlan-interface vlan100 address 100::201 prefix-length 64 admin@router1# set l3-interface vlan-interface vlan2221 vrf "vrf1" admin@router1# set l3-interface vlan-interface vlan2221 mtu 1450 admin@router1# set l3-interface vlan-interface vlan2221 address 21.1.1.201 prefix-length 24 admin@router1# set l3-interface vlan-interface vlan2222 vrf "vrf1" admin@router1# set l3-interface vlan-interface vlan2222 mtu 1450 admin@router1# set l3-interface vlan-interface vlan2222 address 22.1.1.201 prefix-length 24 admin@router1# set l3-interface vlan-interface vlan1111 vrf "vrf1" admin@router1# set l3-interface vlan-interface vlan1111 mtu 1450 admin@router1# set vlans vlan-id 100 l3-interface "vlan100" admin@router1# set vlans vlan-id 1111 l3-interface "vlan1111" admin@router1# set vlans vlan-id 2221 l3-interface "vlan2221" admin@router1# set vlans vlan-id 2222 l3-interface "vlan2222" admin@router1# set vxlans source-interface lo address 201.201.201.201 admin@router1# set vxlans vni-map-vlan true admin@router1# set vxlans vni 9999 vlan 1111 admin@router1# set vxlans vni 22221 vlan 2221 admin@router1# set vxlans vni 22222 vlan 2222 admin@router1# set protocols bgp local-as 201 admin@router1# set protocols bgp router-id 201.201.201.201 admin@router1# set protocols bgp peer-group fabric remote-as "external" admin@router1# set protocols bgp neighbor 100.1.1.134 peer-group "fabric" admin@router1# set protocols bgp ipv4-unicast network 201.201.201.201/32 admin@router1# set protocols bgp ipv4-unicast network 201.201.201.88/32 admin@router1# set protocols bgp evpn advertise-all-vni admin@router1# set protocols bgp evpn advertise ipv4-unicast admin@router1# set protocols bgp evpn peer-group fabric activate admin@router1# set protocols bgp vrf vrf1 local-as 201 admin@router1# set protocols bgp vrf vrf1 router-id 201.201.201.201 admin@router1# set protocols bgp vrf vrf1 ipv4-unicast network 22.1.1.0/24 admin@router1# set protocols bgp vrf vrf1 evpn advertise ipv4-unicast admin@router1# set ip vrf vrf1 admin@router1# set ip vrf vrf2 admin@router1# set evpn vrf vrf1 vni 9999 admin@router1# set ip routing enable true |
The first part of the configuration deals with physical interfaces and assigning VLANs to these interfaces. Router 1 has three physical interfaces configured, two interfaces connecting server 1 and server 3.
Configuration of Router 2.
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