Routing

Hi guys,

I have a problem to import ospf routes in my specified init.0 tables.

I have two L3 vrf instances on my Juniper MX router an I must import two virtuell router from my neighboor network.

We have bgp an the neighboor network have ospf.

Thr routes from the vr-voip from my neighbour must go in the L3_VoIP.init.0 and the routes from th vr-router wifi must go in the L3_Aerohive.init.0

I became on my Juniper Interface two vlans from his virtuell routers and i must import them in the init.0 table of my vr-routers.

Today all routes going in the global init.0 table and one vr router can see the other vr-router.

Hi Thomas,

You can simply configure a policy to match the routes of interest and then use "instance-import" in the respective VRF.

See example here: https://kb.juniper.net/InfoCenter/index?page=content&id=KB19860&pmv=print

Hope this helps.

Regards,
-r.

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If this solves your problem, please mark this post as "Accepted Solution."
Kudos are always appreciated :).

Hello,

The canonical way to do it is:

1/ configure 2 VLANs over ge-1/3/8, say, VLAN 100 and VLAN 200

2/ add IP addresses on each end

3/ terminate VLAN 100 L3 subinterface (say, ge-1/3/8.100) in "L3_Aerohive" VRF

4/ terminate VLAN 200 L3 subinterface (say, ge-1/3/8.200) in "L3_Voip" VRF

5/ configure OSPFv2 over ge-1/3/8.100 and ge-1/3/8.200 inside these VRFs. 

6/ Redistrubute routes of Your choice (MP-iBGP, static, direct etc) into OSPF with OSPF export policies

6a/ optionally, You'd need to disable DN bit and VPN route tag if Extreme side does not see routes from Kunde 2 MX

7/ redistribute routes received from Kunde 1 over OSPF into MP-iBGP on MX side

If You cannot create 2 VLANs on ge-1/3/8 then it becomes more difficult.

HTH

Thx
Alex 

Hi Alex.

i habve a question about  your help

When I read your answer on point 3 and 4 I thinks the routes from the two vlan going directly in the L3-Aerohive.init.0 and wifi.init.0

Is this richt or false.

I want do not work without policies, i this possible?

Hello,

---

thomas.block@esh.essen.de wrote:

 

When I read your answer on point 3 and 4 I thinks the routes from the two vlan going directly in the L3-Aerohive.init.0 and wifi.init.0

Is this richt or false.

 

Das ist richtig

---

thomas.block@esh.essen.de wrote:

 

I want do not work without policies, i this possible?

 

In JUNOS, redistributing between OSPF and BGP requires policies.

HTH

Thx

Alex

Thank you very mutch for your help in this topic.

The first vive points we have done and it works very fine.

We do not need  to use a policie and it works exelent.

Thank you very mutch and it is very important for us that we have understood this way...

I am proud of you..

THX

Thomas