IP Network Multipathing Administration Guide

How to Replace a Physical Interface That Has Failed

  1. Refer to the cfgadm(1M) man page, Sun Enterprise 6x00, 5x00, 4x00, and 3x00 Systems Dynamic Reconfiguration User's Guide, or Sun Enterprise 10000 DR Configuration Guide, or Sun Fire 880 Dynamic Reconfiguration User's Guide for a description of how to replace the physical interface.

  2. Plumb in and bring up the test address by typing the following command.

    # ifconfig hme0 <test address configuration>

    Note –

    The test address configuration is the same test address that was configured in the /etc/hostname.hme0 file. Using the previous procedure, the test configuration is the same configuration that is displayed in step 1.

    This configuration triggers the in.mpathd daemon to resume probing. As a result of this probing, in.mpathd detects the repair. Consequently, in.mpathd causes the original IP address to fail back from hme1.

    See Configuring Test Addresses for more details about how to configure test addresses.

    Note –

    The failback of IP addresses during the recovery of a failed physical interface requires as much as three minutes. This time might vary. The time depends on network traffic. The time also depends on the determination of the stability of the incoming interface to failback failed over interfaces by the in.mpathd daemon.