DUA1840-0AAA01VT100 Problems 6-3VT100 ProblemsThe SNMP Network Manager cannot access the device:Check the device's IP address, subnet mask and default router arecorrectly configured, and that the device has been reset. Checkthat the device's IP address is correctly recorded by the SNMPNetwork Manager (refer to the user manual for the NetworkManager).The Telnet workstation cannot access the device:Check that your terminal or terminal emulator is correctlyconfigured to operate as a VT100 terminal.Check the device's IP address, subnet mask and default router arecorrectly configured, and that the device has been reset. Ensure thatyou enter the IP address correctly when invoking the Telnet facility.Traps are not received by the SNMP Network Manager:Check the SNMP Network Manager's IP address and that thecommunity string is correctly configured.The SNMP Network Manager or Telnet workstation can no longeraccess the device:Check that Remote Telnet access or Community-SNMP access isenabled.Check that the port through which you are trying to access thedevice has not been disabled, see “Port Setup” in Chapter 3. If it isenabled, check the connections and network cabling at the port.Check that the port though which you are trying to access thedevice is still in VLAN 1 (the Default VLAN). See “Setting Up VLANson the Switch” in Chapter 4.Try accessing the device through a different port. If you can nowaccess the device, a problem with the original port is indicated.Re-examine the connections and cabling.Possibly there is a network problem preventing you accessing thedevice over the network. Try accessing the device through the serialport.
