You have to use L3 routed port to configure the keepalive ports, however, this requires having L3 license and L3 module on N5k otherwise; the only possible option is to use the mgmt 0 port, the below copied from Cisco Nexus 5000 NX-OS Layer 2 switching Configuration Guide, Release 5.1(3)N2(1) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Beginning with Cisco NX-OS Release 5.0(3)N1(1), the Cisco Nexus 5500 Platform switches support VRF lite with Layer 3 modules and with the Base or LAN-Enterprise license installed. This capability allows you to create a VRF and assign a specific interface to the VRF. Prior to this release, two VRFs are created by default: VRF management and VRF default. The mgmt0 interface and all SVI interfaces reside in VRF management and default -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Fady Boules IBM
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