OSPF over GRE tunnel, how?


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.

7 replies

Userlevel 4
Hi Eugene,

Have you tried enabling OSPF on the VLANs that are passing through the tunnel?
Dorian Perry wrote:

Hi Eugene,

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

Yes, I've tried, but not success (
Userlevel 4
Dorian Perry wrote:

Hi Eugene,

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

Eugene,

I'm testing this in the lab now.
Userlevel 4
Dorian Perry wrote:

Hi Eugene,

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

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?
Dorian Perry wrote:

Hi Eugene,

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

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?
Userlevel 4
Dorian Perry wrote:

Hi Eugene,

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

Hi Eugene,

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

Hi Eugene,

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

I don't have a support contract (

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