RCDCap
RCDCap is a remote capture preprocessor
...Its basic functuonalities make it a viable solution for preprocessing CISCO ERSPAN and HP ERM traffic which can be handed to some other application.
RCDCap offers its own set of plug-ins for doing different types of traffic analysis. Notably, it has its own plug-in for analysing NDP, ARP, DHCP and DHCPv6 traffic.