Identifying and Isolating Problems 8-3Troubleshooting8Remedy Check the following:• If the dial-up router does not have to send packets via broadcast, change therouter settings to ensure that it sends packets via a method other thanbroadcast. If dial-up router has to send packets via broadcast, check that thesettings are correct.• Check that the file or mail server’s host name or IP address set on themachine is correct.• If you attempt to use a DNS server on an external network to access a deviceon the network to which the machine is connected, set the destination usingan IP address, not a host name.• If information about a device on an external network is set on the DNS serveron the network to which the machine is connected, check the settings.Detailed information concerning the machine cannot be set orbrowsed using the Remote UI or utility.Cause 1 The IP addresses of computers on which the Remote UI or utility is used are notallowed by the machine.Remedy Check the settings for . If the machine is set to restrictaccess from the IP address of a computer, you cannot browse the machine’sinformation from the computer using the Remote UI. (See “Setting the IPAddress Range,” on p. 6-21.)Cause 2 HTTP is disabled.Remedy Set Use HTTP to ‘On’, and make sure that the same port number set in themachine is used on the browser. (See “Setting the Use of HTTP,” on p. 3-33.)Cause 3 The Remote UI is disabled.Remedy Set Remote UI On/Off to ‘On’. (See “Restricting the Use of Remote UI,” onp. 6-34.)Cause 4 SNMP is disabled.Remedy Enable SNMP. (See “Communication Environment Settings,” on p. 2-5.)Cause 5 The SNMP community name does not match.Remedy Check that the correct SNMP community name is used. If the SNMP communityname set for your utility is different from the one set for the machine, the utilitywill not detect the machine. (See “Communication Environment Settings,” onp. 2-5.)
