System Administration > File Management System > Administering FMS > FMS client maps
Client map specificity
The subnet/mask client maps and the domain name client maps are applied in order of specificity. Specificity is implemented by the following algorithms on the two separate lists. Subnet/mask client maps are sorted based on the size of their mask values. Client maps with larger mask values specify a bigger mask over the FCC IP address, so they are more specific. Client maps with larger masks are searched first for a match. In the following example, the "255.255.255.192" mask is more specific than the "255.255.255.000" mask, so it is sorted first in the subnet/mask clientmap list. Copy subnet="192.168.000.128" mask="255.255.255.192" subnet="192.168.000.000" mask="255.255.255.000" Domain name client maps are sorted based on the length of the string in their dnszone or dnshostname attributes. In the following example, the support.ugs.com dnszone is the most specific so it is sorted first in the domain name client map list. The com dnszone is the least specific client map and is sorted last. Copy dnszone="support.ugs.com" dnszone="ugs.com" dnszone="com"
Source: https://docs.sw.siemens.com/documentation/external/PL20251212545240207/en-US/tc_help/AWAdmin/fhs4814155880506/uuc1737238583853/fhe1737238587390/pzj1737238600195/clientMapSpecificity.html · retrieved Fri Jul 31 2026 00:00:00 GMT+0000 (Coordinated Universal Time)