[FROG] BGP L3VPN support

Lou Berger lberger at labn.net
Wed Jun 5 15:36:02 EDT 2019


see the example in 
https://github.com/FRRouting/topotests/blob/98ced3d021ec0bf03607dc5e2922673f2c4b15d2/bgp_l3vpn_to_bgp_vrf/r4/bgpd.conf

e.g., in the bgp vrf config section"


    vpn-policy ipv4
     label 1041
     rd 10:41
     rt both 52:100
    exit

On 6/5/2019 2:24 PM, Heidi net wrote:
> Thanks for your replies, I actually went through the document/examples for FRR 5.0, but wondering if I could do L3VPN on 4.0, without VRF leaking.
>
> In order to do that, I need to attach RD/RT to each VRF, so looking for configuration to configure RD/RT in FRR4.0.
>
>
> thanks
> - Heidi
>
>> On May 31, 2019, at 10:28 AM, Lou Berger <lberger at labn.net> wrote:
>>
>> Hi,
>>
>> Some good examples can also be found in topotest, e.g.,
>>
>> https://github.com/FRRouting/frr/blob/master/tests/topotests/bgp_l3vpn_to_bgp_vrf/r4/bgpd.conf
>>
>> but this uses the current RD/RT syntax but I'm unsure of the syntax for 4.0.
>>
>> Looking back, I suggest trying the following the example from a correspondingly old version of topotest:
>>
>> https://github.com/FRRouting/topotests/blob/98ced3d021ec0bf03607dc5e2922673f2c4b15d2/bgp_l3vpn_to_bgp_vrf/r4/bgpd.conf
>>
>> Lou
>>
>> On 5/30/2019 7:23 PM, Heidi net wrote:
>>> Hello,
>>>
>>> I am trying to migrate from IOX to FRR4.0.   I have a simple configuration of 2 VRFs: red and blue. No VRF route leaking is needed.
>>>
>>> I know VRF route leaking was added to FRR5.0. But since I don’t do that.  Can FRR4.0 be used to
>>>
>>> - Configure 2 VRFs for routes,  attach different RD/RT to routes, and advertise routes into corresponding VPNs with FRR4.0?
>>> - Any configuration examples?
>>>
>>>
>>> Below is the current Cisco configuration.
>>>
>>> ip vrf red
>>>   rd 100:101
>>>   route-target export 200:101
>>>   route-target import 200:101
>>> !
>>> ip vrf blue
>>>   rd 100:201
>>>   route-target export 200:201
>>>   route-target import 200:201
>>> !
>>> interface Loopback101
>>> ip vrf forwarding red
>>> !
>>> interface Loopback102
>>>   ip vrf forwarding blue
>>> !
>>> router bgp 100
>>>   neighbor 10.10.10.2 remote-as 200
>>>   neighbor 10.10.10.2 update-source Loopback0
>>> !
>>>   address-family vpnv4
>>>    neighbor 10.10.10.2 activate
>>>    neighbor 10.10.10.2 send-community both
>>>    exit-address-family
>>> !
>>>   address-family ipv4 vrf red
>>>   redistribute connected
>>>   exit-address-family
>>> !
>>>   address-family ipv4 vrf blue
>>>   redistribute connected
>>>   exit-address-family
>>>
>>>
>>> thanks
>>> - Heidi
>>> _______________________________________________
>>> frog mailing list
>>> frog at lists.frrouting.org
>>> https://lists.frrouting.org/listinfo/frog
>



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