1 draft-rabadan-l2vpn-evpn-prefix-advertisement-03 Jorge Rabadan Wim Henderickx Florin Balus Senad Palislamovic Aldrin Isaac Ali Sajassi John Drake IP.

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Presentation transcript:

1 draft-rabadan-l2vpn-evpn-prefix-advertisement-03 Jorge Rabadan Wim Henderickx Florin Balus Senad Palislamovic Aldrin Isaac Ali Sajassi John Drake IP Prefix Advertisement in EVPN IETF 91, November 2014 Honolulu, US

2 EVPN IP Prefix route encoding IP Prefix Route (Proposed route type 5) draft-draft-rabadan-l2vpn-evpn-prefix-advertisement-03 IETF91 – November 2014 This draft defines EVPN route type 5 – IP Prefix route and describes how to use it through some use-cases Allows the advertising of IP Prefixes associated to overlay next-hops (recursive route resolution needed) or underlay next- hops Existing shipping code Aligned with draft-sajassi-l2vpn-evpn-inter- subnet-forwarding Overlay next-hops (require recursive route resolution)

3 WAN network Example use-case #2: Prefix behind a floating IP draft-draft-rabadan-l2vpn-evpn-prefix-advertisement-03 IETF91 – November 2014 NVE2 TS2 (VA) (ACTIVE) IP2/M 2 VXLAN/N VGRE NVE3 DGW-1 DGW-2 VRF IRB1 IRB2 FW-2 TS3 (VA) FW-3 SN1 IP3/M 3 vIP23 (floating) MAC-VRF 10 VRF MAC-VRF 10 RT-5 SN1/24 GW-IP=IP RT-5 SN1/24 GW-IP=IP24 RT-2 M2-IP23 VNI=10 NVEs advertise SN1/24 associated to a floating IP 2 2 The owner of IP23 sends a RT-2 that contains the forwarding information 3 3 DC GWs install: -SN1/24 – IP23 (IP-VRF) -M2 – VNI10, VTEP NVE2 (MAC-VRF) -M2-IP23 (ARP) 4 4 A recursive route resolution is done for packets matching IP DA = SN1

4 WAN network Example use-case #4: IRB forwarding for subnets (modified in rev3) draft-draft-rabadan-l2vpn-evpn-prefix-advertisement-03 IETF91 – November 2014 NVE1 VXLAN/N VGRE NVE2 DGW-1 DGW-2 VRF SN1 MAC-VRF 10 VRF RT-5 SN1/24 GW-IP=0 VNI10, NH=NVE1 Router MAC = NVE1 1 1 NVEs advertise SN1/24 with no overlay NH and Router’s MAC extended comm 2 2 DC GWs install: -SN1/24 – NH=NVE1/2 (IP-VRF) -Forwarding information derived from RT-5 route -Inner MAC DA = Router’s MAC 3 3 No recursive route resolution needed for packets matching IP DA = SN1 VRF RT-5 SN1/24 GW-IP=0 VNI10, NH=NVE2 Router MAC = NVE2

5 Conclusions and next steps The draft has been discussed at length and is now mature There are implementations The authors would like to request WG adoption for this draft (along with draft-sajassi-l2vpn-evpn-inter-subnet- forwarding) draft-draft-rabadan-l2vpn-evpn-prefix-advertisement-03 IETF91 – November 2014

6 draft-draft-rabadan-l2vpn-evpn-prefix-advertisement-03 IETF91 – November 2014