<code>
service timestamps debug datetime msec localtime show-timezone year
service timestamps log datetime msec localtime show-timezone year

service password-encryption

clock timezone CET 1
clock summer-time CET recurring last Sun Mar 2:00 last Sun Oct 3:00

no ip domain lookup

no ip ospf name-lookup

line con 0
 exec-timeout 10 0
 logging synchronous
line vty 0 4
 exec-timeout 5 0
 logging synchronous
</code>

Source: http://mellowd.co.uk/ccie/?p=975

recommended on 2900 series for IPv6 traffic:

<code>
sdm prefer dual-ipv4-and-ipv6 default
</code>

auto archiving on 'write memory'

<code>
archive
log config
  logging enable
  logging size 1000
  notify syslog contenttype plaintext
  hidekeys
path tftp://192.168.100.100/$h.cfg
write-memory
time-period 1440
</code>

disable local services + add some security stuff

<code>
no service tcp-small-servers
no service udp-small-servers
no service pad
no ip http server
no ip http secure-server
no ip domain-lookup
no ip finger
no ip source-route
login on-failure log
login on-success log

ip ssh authentication-retries 2
ip ssh logging events
ip ssh version 2

logging buffered 512000
</code>