More ADN (Awk Defined Networking)

Want to know how many IPv4 nodes are in each of your VLANs? Use ADN:

ssh myswitch 'sh arp | i Vlan' | awk '{print $NF}' | sort | uniq -c | sort -rn

     79 Vlan38
     65 Vlan42
     58 Vlan34
     22 Vlan36
     21 Vlan32
     20 Vlan40
      9 Vlan3
      7 Vlan8
      5 Vlan6
      5 Vlan204
      5 Vlan203
      5 Vlan2
      4 Vlan74
      3 Vlan82
      3 Vlan4

Published: May 15 2015