Configuring Cisco Routers for Syslog, NTP and SSH
defining Syslog server
central(config)#ntp server
central(config)#ntp ?
access-group Control NTP access
authenticate Authenticate time sources
authentication-key Authentication key for trusted time sources
broadcastdelay Estimated round-trip delay
clock-period Length of hardware clock tick
logging Enable NTP message logging
master Act as NTP master clock
max-associations Set maximum number of associations
peer Configure NTP peer
server Configure NTP server
source Configure interface for source address
trusted-key Key numbers for trusted time sources
central(config)#ntp server ?
Hostname or A.B.C.D IP address of peer
vrf VPN Routing/Forwarding Information
central(config)#ntp server 192.168.5.22
identifying the remote host (Syslog Server) that will receive logging
messages
central(config)#logging host 192.168.5.22
central(config)#
starting of time updating, lower-end 2500 or 2600 series routers do not have hardware clocks, so this command is uavailable for them
R1(config)# ntp update-calendar
adding timestamps in mesages
central(config)#service timestamps log datetime msec
so after this command appear messages with routers time:
central#sh clock
*01:00:48.663 UTC Fri Mar 1 2002
