sensor ldp4nul path ldp4nul/peer/peer prefix freertr-ldp4nul key name ldp4nul/peer command sho ipv4 ldp inet nulled-summary prepend ldp4null_ name 3 ip= skip 2 replace \. _ column 0 name prefix_learn column 1 name prefix_advert column 2 name prefix_nulled . exit sensor ldp6nul path ldp6nul/peer/peer prefix freertr-ldp6nul key name ldp6nul/peer command sho ipv6 ldp inet nulled-summary prepend ldp6null_ name 3 ip= skip 2 replace \: _ column 0 name prefix_learn column 1 name prefix_advert column 2 name prefix_nulled . exit