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Table Of Contents
● Yellow VRF and Red VRF.
OS10(config)# ip vrf default
OS10(conf-vrf)# ip route-export 0:0 route-map RouteMap_DefaultVrf_Export
OS10(conf-vrf)# ip route-import 1:1
OS10(conf-vrf)# exit
OS10(config)# ip vrf Yellow
OS10(conf-vrf)# ip route-export 1:1 route-map RouteMap_YellowVrf_Export
OS10(conf-vrf)# ip route-import 0:0
OS10(conf-vrf)# ip route-import 2:2
OS10(conf-vrf)# ip route-import 3:3
OS10(conf-vrf)# exit
OS10(config)# ip vrf Green
OS10(conf-vrf)# ip route-export 2:2 route-map RouteMap_GreenVrf_Export
OS10(conf-vrf)# ip route-import 1:1
OS10(conf-vrf)# exit
OS10(config)# ip vrf Red
OS10(conf-vrf)# ip route-export 3:3 route-map RouteMap_RedVrf_Export
OS10(conf-vrf)# ip route-import 1:1
OS10(conf-vrf)# exit
7. (Optional) For advertising leaked routes from the Yellow VRF only to an external router in the default VRF and not to an
underlay network, use route-maps on spine facing eBGP neighbors and also on the iBGP neighbor between the VLT peers.
OS10(config)# ip prefix-list PrefixList_Deny_YellowVrfRoutes deny 10.1.0.0/24 le 32
OS10(config)# ip prefix-list PrefixList_Deny_YellowVrfRoutes permit 0.0.0.0/0 le 32
OS10(config)#
OS10(config)# route-map RouteMap_Deny_YellowVrfRoutes
OS10(config-route-map)# match ip address prefix-list PrefixList_Deny_YellowVrfRoutes
OS10(config-route-map)#
OS10(config-route-map)# router bgp 202
OS10(config-router-bgp-202)# address-family ipv4 unicast
OS10(configure-router-bgpv4-af)# redistribute l2vpn evpn
OS10(configure-router-bgpv4-af)# redistribute connected
OS10(configure-router-bgpv4-af)# exit
OS10(config-router-bgp-202)# neighbor 192.168.2.4
OS10(config-router-neighbor)# address-family ipv4 unicast
OS10(config-router-bgp-neighbor-af)# route-map RouteMap_Deny_YellowVrfRoutes out
OS10(config-router-bgp-neighbor-af)# exit
OS10(config-router-neighbor)# exit
OS10(config-router-bgp-202)# neighbor 192.168.2.5
OS10(config-router-neighbor)# address-family ipv4 unicast
OS10(config-router-bgp-neighbor-af)# route-map RouteMap_Deny_YellowVrfRoutes out
OS10(config-router-bgp-neighbor-af)# exit
OS10(config-router-neighbor)# exit
OS10(config-router-bgp-202)# neighbor 192.168.2.240
OS10(config-router-neighbor)# address-family ipv4 unicast
OS10(config-router-bgp-neighbor-af)# route-map RouteMap_Deny_YellowVrfRoutes out
OS10(config-router-bgp-neighbor-af)# exit
OS10(config-router-neighbor)# exit
OS10(config-router-bgp-202)# neighbor 10.10.0.3
OS10(config-router-neighbor)# remote-as 301
OS10(config-router-neighbor)# no shutdown
OS10(config-router-neighbor)# exit
Verify leaked routes using show outputs on the the Border-Leaf switch:
OS10# show ip route vrf Yellow
Codes: C - connected
S - static
B - BGP, IN - internal BGP, EX - external BGP, EV - EVPN BGP
O - OSPF, IA - OSPF inter area, N1 - OSPF NSSA external type 1,
N2 - OSPF NSSA external type 2, E1 - OSPF external type 1,
E2 - OSPF external type 2, * - candidate default,
+ - summary route, > - non-active route
Gateway of last resort is Direct to network 0.0.0.0
Destination Gateway Dist/
Metric Last Change
-----------------------------------------------------------------------------------------
-----------------
*S 0.0.0.0/0 Direct null0
0/0 00:38:51
1276
VXLAN