[j-nsp] EVPN MPLS lab test

[Mileto Tales]

Hello all,

I'm doing some tests using EVPN/MPLS in a specific scenario and I'm having
some issues here. I'm just trying to figure out how the EVPN/MPLS works.

1) I'm running 3 vMX (Junos 17.3R3)

vMX-CE<>vMX-PE-01<>vMX-GW-01

between the vMX-PE01 and vMX-GW-01 I'm running the usual protocols,
OSPF/LDP/MPLS and  IBGP session with evpn family.

In this particular scenario I want to guarantee that the vMX-CE has
connectivity wi vMX-GW, so vMX-PE will just encapsulate/dencapsulate the
traffic

Config from vMX-PE:


set interfaces ge-0/0/0 encapsulation ethernet-bridge
set interfaces ge-0/0/0 unit 0

set interfaces ge-0/0/1 unit 0 family inet address 192.168.0.2/30
set interfaces ge-0/0/1 unit 0 family mpls
set interfaces ge-0/0/1  mtu 9192

set interfaces lo0 unit 0 family inet address 2.2.2.2/32
set routing-options autonomous-system 1
set protocols mpls interface all
set protocols bgp group overlay type internal
set protocols bgp group overlay local-address 2.2.2.2
set protocols bgp group overlay family evpn signaling
set protocols bgp group overlay neighbor 1.1.1.1
set protocols ospf area 0.0.0.0 interface lo0.0 passive
set protocols ospf area 0.0.0.0 interface ge-0/0/1.0 interface-type p2p
set protocols ldp interface all
set routing-instances v10 instance-type evpn
set routing-instances v10 vlan-id 10
set routing-instances v10 interface ge-0/0/0.0
set routing-instances v10 route-distinguisher 2.2.2.2:10
set routing-instances v10 vrf-target target:10:10
set routing-instances v10 protocols evpn

Config from vMX-GW:

set interfaces ge-0/0/1 unit 0 family inet address 192.168.0.1/30
set interfaces ge-0/0/1 unit 0 family mpls
set interfaces ge-0/0/1 mtu 9192


set interfaces irb unit 10 family inet address 172.25.0.254/24

set interfaces lo0 unit 0 family inet address 1.1.1.1/32
set routing-options autonomous-system 1
set protocols mpls interface all
set protocols bgp group overlay type internal
set protocols bgp group overlay local-address 1.1.1.1
set protocols bgp group overlay family evpn signaling
set protocols bgp group overlay neighbor 2.2.2.2
set protocols ospf area 0.0.0.0 interface lo0.0 passive
set protocols ospf area 0.0.0.0 interface ge-0/0/1.0 interface-type p2p
set protocols ldp interface all
set routing-instances v10 instance-type evpn
set routing-instances v10 vlan-id 10
set routing-instances v10 routing-interface irb.10
set routing-instances v10 route-distinguisher 1.1.1.1:10
set routing-instances v10 vrf-target target:10:10
set routing-instances v10 protocols evpn default-gateway advertise


The problem here is that the interface irb.10 always keep in down state, it
just come to UP state if I configure a physical interface and associate
this interface to VRF.

irb                     up    up
irb.10                  up    down inet     172.25.0.254/24

First question is:  is this possible? In all examples that I saw there was
a physical interface associated to the routing-instance.

Second: is there a  "connectivity-type irb " knoob?

Anyone has already tested this scenario or something similar ?

* With EVPN/VXLAN this scenario worked, just tyring to see if this is a
limitation of this technology.

regards