# top.sls
base:
 '*':
  - zones
  - logserver

# zone.sls
{% if grains['ipv4'] == '192.168.0.*' %}
zone: intranet
{% elif grains['ipv4'] == '192.168.1.*' %}
zone: dmz
{% endif %}

# logserver.sls
{% if pillar['zone'] == 'intranet' %}
syslog_host: 192.168.0.3
{% elif pillar['zone'] == 'dmz' %}
syslog_host: 192.168.1.3
{% endif %}