Hi,

I'm hoping someone can help me with a routing configuration issue. I have the following physical configuration:

      Backbone Router
        /       \
VLAN 416|       | VLAN 417
        L2 Switch
            || VLAN 416 & 417
            ||
        SRX3400 Cluster


The backbone router & the L2 switch has 2 WAN connections (VLAN 416 & 417) from 2 SPs. The VLANs are trunked over a LAG connection from the L2 switch to the SRX3400 cluster. OSPF is being run in a stub area between the backbone router & the SRXs. The backbone router does not support BFD.

My problem is, if one of the 2 WAN connections between the Backbone router & the L2 switch goes down, how do I prevent the SRX from still sending traffic on both of the 2 VLAN connections? OSPF on the SRX knows that the neighbor has gone down. I think I should be able to do this via the routing table, but I'm not sure how to approach it.

Any help would be greatly appreciated.

Thanks.

        -John

--
John Center
Villanova University
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