I have a GRE tunnel coming into Vlan 60 using public addresses. I also have a private addressed vlan 1 (Management Vlan)on 10.0.0.0 255.0.0.0. I have used simple static NAT to MAP the private/public address for all my network devices. The above configuration is on both 6506/MSCF 2's. I place the NAT Inside config on the interface Vlan 1 and NAT outside on interface Vlan 60. The only way I could get the NAT to work was to place a static route pointing to Vlan 60. The routing table then picked up the route via the other 6506 or I could have used an Interface address on the other 6506, but this is no good as if one 6506 goes down their is no route to the NAT addresses? Surly there must be a confuration where the primary 6506 can deal with the traffic without trying to go via the other 6506(secondary switch)?
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