MPLS Layer 3 VPN not working b/w Juniper and cisco

[Gagandeep_Singh_1997]

Hii 

i create topology with juniper and cisco .

VPNv4 established b/w PE's

Client get routes from each other But unable to reach or ping , 

if anybody help me to s

[MHM Cisco World]

Did you use source IP in ping test ?

MHM

[Gagandeep_Singh_1997]

yes sir , i try with both sources but client jun3 not able to reach jun4 networks but in routing table they both get routes through BGP

[MHM Cisco World]

address-family ipv4
  neighbor 1.1.1.1 activate
  neighbor 1.1.1.1 next-hop-self
  no auto-summary
  no synchronization
 exit-address-family

Above not need in cisco bgp.

Also check mpls since route is in rib and there is no reachability then check mpls label 

MHM

[Giuseppe Larosa · Accepted solution]

Hello @Gagandeep_Singh_1997 ,

your juniper devices configuration look like incomplete.

However, to be able to ping from a CE connected to a LAN interface you need table vrf under appropriate context.

[edit routing-instances routing-instance]
user@host# set instance-type vrf
user@host# set interface interface-name
user@host# set route-distinguisher route-distinguisher-id
user@host# set provider-tunnel rsvp-te static-lsp vpn1-p2mp
user@host# set vrf-target vrf-target-community
user@host# set vrf-table-label

see

https://www.juniper.net/documentation/us/en/software/junos/vpn-l3/topics/topic-map/l3-vpns-routes-vrf-tables.html

I remember my fist tests with Juniper routers I had this issue.

The command sets a single MPLS label for all the VRF prefixes and it is required by Junos to be able to perform a second lookup.

Hope to help

Giuseppe

[Gagandeep_Singh_1997]

Thanks sir , i miss following command in juniper PE 

set vrf-table-label

[Giuseppe Larosa]

Hello @Gagandeep_Singh_1997 ,

yes it is needed under the routing instance see the example I have provided before.

Hope to help

Giuseppe

routing

[paul driver]

Hello

---

@Gagandeep_Singh_1997 wrote:

Client get routes from each other But unable to reach or ping , 

if anybody help me to s

---

Ypu wouldn't want to ping the mpls cloud tbh, that is"hidden" but if ping is failing between the two bgo domain 100/200 but you have the routes, it sounds like you are not advertised the connection between the ce/pe rtrs

1) Advertised the PC/CE subnet in bgp vrf on the PE rtrs
2) Redistribute connected command in bgp vrf on the PE rtr