PRIMECLUSTER Global Link Services Configuration and Administration Guide: Redundant Line Control Function 4.2 (for Linux)
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Appendix D Notice of supplemental information> D.1 Trouble shooting> D.1.6 Incorrect operation by the user

D.1.6.1 Accidentally deleted the virtual interface with ifconfig command

Symptom:

Unable recover the virtual interface (sha) deleted with ifconfig command by accident.

Corrective action:

There would be no guarantee on system behavior, if a virtual interface (sha) is disabled or deleted. In order to recover a virtual interface, follow the procedure below:

[Example 1]

Accidentally executing "ifconfig sha0 down" against a virtual interface sha0 for Fast switching mode.

If IPv4 address is being used:
# ifconfig sha0 IPv4 address netmask network mask broadcast broadcast address arp up

IPv6 address is being used:
# ifconfig sha0 up
# ifconfig sha0 add IPv6 address/prefixlen

In the case of a cluster system, a virtual interface is restored automatically. In addition, please refer to "2.3.3 Interface status monitoring feature" automatically about the virtual interface which can be restored.

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