The plugin connect to a Juniper Switch and checks Virtual Chassis information.
It supports the following checks:
* members_count: Number of Virtual Chassis members.
* master, backup: Number and assignment of master resp. backup members.
* interfaces: State and number of VCP interfaces.
Warning and critical ranges may be specified for each single check.
The format for specifying checks is:
checkname[,target[,warning[,critical]]]
