H3C Technologies H3C Intelligent Management Center - Manual (Page 92)

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Figure 52 Checking the Java version
Java 6 Update 22 has bugs. When you use the topology function, the
node label may not be displayed. H3C recommends that you use
another JRE version.
2. Open the control panel, and double-click Java. On the Java control
panel, select the Advanced tab and deselect Enable the next-generation
Java Plug-in (requires browser restart), as shown in
Figure 53 .