IOS – NTP + SNMP minimal setup

!
clock timezone MEZ 1
clock summer-time MESZ recurring last Sun Mar 2:00 last Sun Oct 3:00
!
ntp server 192.168.20.55 prefer
ntp server 192.168.212.22
ntp server 10.20.30.41
!
snmp-server community xxxxxxxxx RO 23
snmp-server location FFM-IX-FRA1
snmp-server contact xxxxx@xxxxxxx.xxx
!
access-list 23 permit 192.168.44.22
access-list 23 permit 192.168.66.11
access-list 23 permit 10.20.30.66
!
end