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System Administration Guide: Virtualization Using the Solaris Operating System
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Administering Data-Links in Exclusive-IP Non-Global Zones

The dladm command is used from the global zone to administer data-links.

How to Use dladm show-linkprop

The dladm command can be used with the show-linkprop subcommand to show the assignment of data-links to running exclusive-IP zones.

You must be the global administrator in the global zone to administer data-links.

  1. Become superuser, or assume the Primary Administrator role.

    To create the role and assign the role to a user, see Using the Solaris Management Tools With RBAC (Task Map) in System Administration Guide: Basic Administration.

  2. Show the assignment of data-links on the system.
    global# dladm show-linkprop
Example 27-1 Using dladm With the show-linkprop subcommand
  1. In the first screen, zone 49bge, which is assigned bge0 has not been booted

    global# dladm show-linkprop
    LINK         PROPERTY        VALUE          DEFAULT        POSSIBLE
    bge0         zone            --             --             --
    ath0         channel         6              --             --
    ath0         powermode       ?              off            off,fast,max
    ath0         radio           ?              on             on,off
    ath0         speed           11             -- 
    1,2,5.5,6,9,11,12,18,24,36,48,54
    ath0         zone            --             --             --
  2. Zone 49bge is booted.

    global# zoneadm -z 49bge boot
  3. The command dladm show-linkprop is run again. Note that the bge0 link is now assigned to 49bge.

    global# dladm show-linkprop
    LINK         PROPERTY        VALUE          DEFAULT        POSSIBLE
    bge0         zone            49bge          --             --
    ath0         channel         6              --             --
    ath0         powermode       ?              off            off,fast,max
    ath0         radio           ?              on             on,off
    ath0         speed           11             -- 
    1,2,5.5,6,9,11,12,18,24,36,48,54
    ath0         zone            --             --             --

How to Use dladm set-linkprop

The dladm command can be used with the set-linkprop subcommand to temporarily assign data-links to running exclusive-IP zones. Persistent assignment must be made through the zonecfg command.

You must be the global administrator in the global zone to administer data-links.

  1. Become superuser, or assume the Primary Administrator role.

    To create the role and assign the role to a user, see Using the Solaris Management Tools With RBAC (Task Map) in System Administration Guide: Basic Administration.

  2. Use dladm set-linkprop with the -t to add bge0 to a running zone called excl.
    global# dladm set-linkprop -t -p zone=excl bge0
    LINK         PROPERTY        VALUE          DEFAULT        POSSIBLE
    bge0         zone            excl           --             --

    Tip - The -p option produces a display using a stable machine-parseable format.


How to Use dladm reset-linkprop

The dladm command can be used with the reset-linkprop subcommand to reset the bge0 link value to unassigned.

  1. Become superuser, or assume the Primary Administrator role.

    To create the role and assign the role to a user, see Using the Solaris Management Tools With RBAC (Task Map) in System Administration Guide: Basic Administration.

  2. Use dladm reset-linkprop with the -t to undo the zone assignment of the bge0 device.
    global# dladm set-linkprop -t -p zone=excl bge0
    LINK         PROPERTY        VALUE          DEFAULT        POSSIBLE
    bge0         zone            excl           --             --

    Tip - The -p option produces a display using a stable machine-parseable format.


Troubleshooting

If the running zone is using the device, the reassignment fails and an error message is displayed. See Exclusive-IP Zone Is Using Device, so dladm reset-linkprop Fails.

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  Published under the terms fo the Public Documentation License Version 1.01. Design by Interspire