Sunfire B1600 manual Appendix B Troubleshooting B-3

■Check that you have a valid network connection to the switch and that the port you are using has not been disabled. See “Port Configuration” on page 3-96.

■If there are only Layer 2 switches between the management station and system chassis, make sure that:

■The switch’s management VLAN is configured with a valid IP address and subnet mask.

■The management station has an IP address in the same subnet as the management VLAN.

■The management station is connected to a switch port that is a member of the management VLAN.

■The ports connecting intermediate switches in the network are tagged ports and are a member of the management VLAN.

■If there are one or more Layer 3 switches between the management station and system chassis, make sure that:

■The switch’s management VLAN is configured with a valid IP address, subnet mask, and default gateway.

■The management station has valid IP address, subnet mask, and default gateway.

■The management station is connected to a switch port that is a member of the management VLAN.

■The ports connecting intermediate switches and the Layer 3 switch(es) in the network are tagged ports and are a member of the management VLAN.

■If you cannot connect using Telnet, you may have exceeded the maximum number of concurrent Telnet sessions permitted. Try connecting again at a later time.

If you cannot access the command-line interface through a serial port connection, check the following:

■Use the DB-9-to-RJ-45 cable supplied with the Sun Fire B1600 blade system chassis to connect your terminal or computer to the serial port on the SSC module.

■Be sure you have set the terminal emulator program to VT100 compatible, 8 data bits, 1 stop bit, no parity and 9600 bps.

Appendix B Troubleshooting B-3