Error "Invalid IP mask bits specified. Number of bits provided is 0." displayed when trying to filter firewall rules by source/destination IP (71348) | VMware KB
![6.3 ICMP Address Mask Request and Reply | TCP/IP Illustrated, Vol. 1: The Protocols (Addison-Wesley Professional Computing Series) 6.3 ICMP Address Mask Request and Reply | TCP/IP Illustrated, Vol. 1: The Protocols (Addison-Wesley Professional Computing Series)](https://flylib.com/books/3/223/1/html/2/files/06fig05.gif)
6.3 ICMP Address Mask Request and Reply | TCP/IP Illustrated, Vol. 1: The Protocols (Addison-Wesley Professional Computing Series)
![6.3 ICMP Address Mask Request and Reply | TCP/IP Illustrated, Vol. 1: The Protocols (Addison-Wesley Professional Computing Series) 6.3 ICMP Address Mask Request and Reply | TCP/IP Illustrated, Vol. 1: The Protocols (Addison-Wesley Professional Computing Series)](https://flylib.com/books/3/223/1/html/2/files/06fig04.gif)