syslog is a popular utility in unix world. for monitoring router activity, you can run a syslog daemon which will capture the activity output from the router. this daemon program can run on a local pc or a remote one elsehwhere on the internet.

    configuration

    check the enable box to enable syslog service.

    server ip address: the ip address which syslog message can be sent to.

    destination port: the udp port number which the syslog server is listening. the default value is 514.

   

    your vigor router sends many types of syslog messages. some examples of the syslog messages with their message format are shown next:

    example of user access log message:

   

    example of wan log message while using isdn connection:

   

    example of vpn (ipsec) log message while the vpn/ipsec tunnel is being used: