ThinkServer RD330 / RD430 / RD530 / RD630 本地重启时 KVM 断开

When the Java KVM console is connected, the console will lose connection if the server is rebooted.  The screenshot and log file is shown below.  The KVM console must be closed and relaunched again.

The above symptom is associated with, but not limited to, the following systems:

1. ThinkServer RD330 (Type 4302, 4304, 4305, 4306, 3057, 3059)
2. ThinkServer RD430 (Type 3061, 3064, 3065, 3069, 3070, 3071, 3072, 3073, 3074)
3. ThinkServer RD530 (Type 2569, 2570, 2573, 2574, 2575, 2576)
4. ThinkServer RD630 (Type 2577, 2579, 2592, 2593, 2594, 2595)

System is Configured with:

1. CISCO switch with the portfast feature (e.g. CISCO switch model ”Catalyst 2918”)

Operating Systems:

1. All Operating Systems

The user should configure the switch with portfast to resolve this issue as instructed below. 

Enter into the switch configuration windows, with the enable command:

Enter into switch configuration terminal, with the command: 
Switch# configure terminal

Choose the configure net port interface, with the command: 
Switch（config)# interface interface-id

Configure the net port chosen to start the portfast using the command below: 
Switch（config-if)#spanning-tree portfast

1. Save the configuration and the KVM should no longer lose connectio