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3.7	ipv6	(Not support AMI)

	abstract: Set enable/disable node ipv6.

	usage	: java -jar GbtUtility-2.1.76.jar [options] ipv6 <enable|disable>
	<enable>		 : Enable target node ipv6 config
	<disable>		 : Disable target node ipv6 config
		
	Example	:
		  by node list	 : java -jar GbtUtility-2.1.76.jar ipv6 enable
		  by single host : java -jar GbtUtility-2.1.76.jar -H 10.1.27.79 ipv6 disable
		  by scan host	 : java -jar GbtUtility-2.1.76.jar -S rmcp,10.1.27.1,10.1.27.150 ipv6 enable
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