topic RE: OSPF over GRE tunnel, how? in Network Architecture & Design

OSPF over GRE tunnel, how?

Eugene_Paniot — Mon, 14 Mar 2016 00:36:00 GMT

Hello,

I have a juniper router in DC1 and extreme x480 in DC2.

Between DC1 and DC2 made GRE tunnel.

How to run OSPF over GRE tunnel on extreme device to redistribute ipv4 routes?

IMG: 15.5.4.2

Thanks.

RE: OSPF over GRE tunnel, how?

Dorian_Perry — Wed, 23 Mar 2016 01:41:00 GMT

Hi Eugene,

Have you tried enabling OSPF on the VLANs that are passing through the tunnel?

RE: OSPF over GRE tunnel, how?

Eugene_Paniot — Wed, 23 Mar 2016 01:41:00 GMT

Yes, I've tried, but not success (

RE: OSPF over GRE tunnel, how?

Dorian_Perry — Wed, 23 Mar 2016 01:41:00 GMT

Eugene,

I'm testing this in the lab now.

RE: OSPF over GRE tunnel, how?

Dorian_Perry — Wed, 23 Mar 2016 01:41:00 GMT

Eugene,

After further investigation I don't believe this is possible. We can not add the tunnel interface to an OSPF area and only routed switch traffic can be forwarded through the GRE tunnel. This means there is no way to establish an OSPF neighbor through a GRE tunnel.
Have you considered a VPLS solution instead?

RE: OSPF over GRE tunnel, how?

Eugene_Paniot — Wed, 23 Mar 2016 01:41:00 GMT

As I know, to use VPLS I need to have MPLS license on extreme and juniper devices. But I don't have it.
I want to have L3 connection between DC, and GRE with OSPF fully qualify for it.

Every device CIsco, Juniper, Brocade, Huawei, its, can to use OSPF over GRE, but not Extreme, it sad ((

Is it possible to add OSPF over GRE future to next exos releases?

RE: OSPF over GRE tunnel, how?

Dorian_Perry — Wed, 23 Mar 2016 01:41:00 GMT

Hi Eugene,

This would be a great feature request. I suggest reaching out to your Sales Representative and expressing the need for this feature.

RE: OSPF over GRE tunnel, how?

Eugene_Paniot — Wed, 23 Mar 2016 01:41:00 GMT

I don't have a support contract (

RE: OSPF over GRE tunnel, how?

Keith9 — Tue, 10 Sep 2019 19:22:00 GMT

Hi 3 years later and now exos 30.2.2 is out. Is ospf over gre tunnel possible yet? I'd like to do this entirely on a x450g2 stack rather than ospf to an intermediary Cisco 2901 router. Less rack space and power would be appreciated to do this all in one.