Allied Telesis C613-16164-00 REV E

VCStack and VRF-lite

Page 74 | Configure VRF-lite

interface vlan14

ip vrf forwarding violet

ip address 192.168.14.2/24

interface vlan15

ip vrf forwarding grey

ip address 192.168.15.2/24

router bgp 300

address-family ipv4 vrf grey

network 80.80.80.2/32

redistribute connected

neighbor 8.8.8.1 remote-as 100

neighbor 8.8.8.1 ebgp-multihop 2

neighbor 8.8.8.1 update-source lo8

neighbor 8.8.8.1 activate

exit-address-family

address-family ipv4 vrf violet

network 70.70.70.2/32

redistribute connected

neighbor 7.7.7.1 remote-as 100

neighbor 7.7.7.1 ebgp-multihop 2

neighbor 7.7.7.1 update-source lo7

neighbor 7.7.7.1 activate

exit-address-family

ip route vrf violet 7.7.7.1/32 192.168.14.1

ip route vrf grey 8.8.8.1/32 192.168.15.1

Contents

Main Tech nic al G ui de How To | Configure VRF-lite Introduction What is VRF-lite? Who should read this document? Which products and software version does it apply to? Software feature licenses Command summary Contents Glossary Understanding VRF-lite VRF-lite security domains Route table and interface management with VRF-lite Interface management with VRF Route management with VRF Inter-VRF communication Static and dynamic inter-VRF routing VRF-lite features in AW+ Route limiting per VRF instance VRF-aware utilities within AW+ VRF aware services include Page Configuring VRF-lite The following section describes the generic commands used to configure VRF-lite. Page Page Page Static inter-VRF routing Dynamic inter-VRF communication explained The Forwarding Information Base (FIB) and routing protocols VRF blue FIB VRF red FIB Page Inter-VRF communication via BGP Using the route-target command Page Page How VRF-lite security is maintained Viewing source VRF and attribute information for a prefix Simple VRF-lite configuration examples Multiple VRFs without inter-VRF communication Page VRFs accessing a shared network. An example of static inter-VRF routing Dynamic inter-VRF communication with RIP routing to Dynamic inter-VRF communication with BGP routing to external peers Dynamic inter-VRF communication with OSPF routing to Page Page Inter-VRF configuration examples with Internet access Page Page Inter-VRF configuration examples with Internet access Page 36 | Configure VRF-lite Example B COMMUNICATION PLAN VRF3 has communication with VRF1 VRF3 has communication with VRF2 inter-VRF communication is limited to connected interface routes only. Inter- VRF Page Page Page Example C VRF3 has communication with VRF1 VRF3 has communication with VRF2 Page Page Page Configuring a complex inter-VRF solution Network description VRF communication plan Configuration breakdown Page Page Page Page Page Page Page Page Page Page Page Complete show run output from VRF device is below Page Page Page IP route table from VRF device is below Page Page Page Page Page Page Page Page VCStack and VRF-lite x900 x610 DUTA Other features used in this configuration Stack provisioning Virtual Chassis ID X610 VCStack configuration x900 configuration Page Sharing VRF routing and double tagging on the same port x610 A x610 B Communication plan Configurations x610 A x610 B Page Dynamic inter-VRF routing between the global VRF domain and a VRF instance Additional notes BGP configuration tips Page Dynamic inter-VRF communication with i-BGP routing to external peer Dynamic inter-VRF communication with e-BGP routing to external peer Page Route Limits Configuring static route limits Configuring Dynamic route limits max-fib-routes no max-fib-routes VRF-lite usage guidelines Useful VRF-related diagnostics command list General VRF Routing general Routing protocols Page ARP HW platform table commands TCPdump