com2sec NAME SOURCE COMMUNITY
This directive specifies the mapping from a source/community pair to a security name. SOURCE can be a hostname, a subnet, or the word
"default". A subnet can be specified as IP/MASK or IP/BITS. For example, given a directive "com2sec myLocal 10.10.10.0/24 public" then
this would match requests from IP addresses 10.10.10.0 through to 10.10.10.255, but not one from 10.10.11.1 or similar. The first
source/community combination that matches the incoming packet is selected.