C-2 A PPENDIX C: TROUBLE- SHOOTINGUsing the VT100 InterfaceThe initial Main Banner screen does notdisplay:Check that your terminal or terminal emulator iscorrectly configured to operate as a VT100 terminal.For console port access, you may need to press[Return] several times before the Main Bannerappears.Check the settings on your terminal or terminalemulator. The management facility's auto configura-tion works only with baud rates from 1200 to19,200.Check that you are using a suitable font (for exam-ple, in HyperTerminal use the MS Line Draw font).Screens are incorrectly displayed:Check that your terminal or terminal emulator iscorrectly configured to operate as a VT100 terminal.Check the settings on your terminal or terminalemulator. The management facility's autoconfigura-tion works only with baud rates from 1200 to19,200.The SNMP Network Manager cannot access thedevice:Check that the device's IP address, subnet mask anddefault router are correctly configured, and that thedevice has been reset.Check that the device's IP address is correctlyrecorded by the SNMP Network Manager (refer tothe user documentation for the Network Manager).The Telnet workstation cannot access thedevice:Check the device's IP address, subnet mask anddefault router are correctly configured, and that thedevice has been reset. Ensure that you enter the IPaddress of the Switch correctly when invoking theTelnet facility.Traps are not received by the SNMP NetworkManager:Check that the SNMP Network Manager's IP addressand community string are correctly configured.The SNMP Network Manager or Telnet worksta-tion can no longer access the device:Check that Remote Telnet access or Commu-nity-SNMP access is enabled.Check that the port through which you are trying toaccess the device has not been disabled; refer to“Setting Up the Switch Ports” on page 4-12. If it isenabled, check the connections and network cablingat the port.Check that the port through which you are trying toaccess the device is in VLAN 1 (the Default VLAN).Refer to “Setting Up VLANs on the Switch” on page5-8.
