PRIMECLUSTER Global Link Services Configuration and Administration Guide: Redundant Line Control Function 4.1 (for Linux)

2.3.3 Interface status monitoring feature

By monitoring UP/Down status of an interface used in Redundant line control function, it is possible to recover the regular operation when a user mistakenly change Up/Down of a interface using ifconfig command. This feature automatically starts up when a virtual interface is activated.

The following is a list of interfaces available for recovery using this feature.

[Table 2.3 Recoverable interfaces using interface status monitoring feature]

Mode	Single System			Cluster System
	Virtual I/F (logical I/F)	Logical virtual I/F	Physical I/F	Virtual I/F (logical I/F)	Logical virtual I/F	Physical I/F
Fast switching	N	N	N	A	A	N
NIC switching	A	-	A	A	-	A

[Meaning of the symbols] A: Recoverable N: Non-recoverable -: No such combination