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System Administration Guide: Network Interfaces and Network Virtualization

ProcedureHow to Remove the Virtual Network Without Removing the Zones

The following procedure shows how to take down a virtual network while leaving its zones intact. The instructions refer to the virtual network that is configured in Configuring a Basic Virtual Network.

Use this procedure if you must do any of the following:

Before You Begin

This task assumes that you have a running virtual network that consists of exclusive IP zones.

  1. On the system with the virtual network, become superuser or assume the equivalent root role in the global zone.

    To create and assign the root role, see How to Make root User Into a Role in System Administration Guide: Security Services.

  2. Verify the state of the currently configured zones.


    # zoneadm list -v

    For example, you receive output similar to the following:


    ID  NAME     STATUS       PATH                           BRAND            IP
 0  global   running      /                              native           shared
 1  zone1    running      /export/home/zone1             native           excl 
 2  zone2    running      /export/home/zone2             native           excl

  3. Halt the exclusive IP zones of the virtual network.

    Issue the following command separately for each zone to be halted. 


    # zoneadm -z zone-name halt

    Replace zone-name with the name of each zone.

    When you halt the zone, you remove the zone's application environment and terminate a number of system activities, as explained in Halting a Zone in System Administration Guide: Virtualization Using the Solaris Operating System.

  4. Verify that the zones have been halted.


    # zoneadm list -iv

    You receive output similar to the following:


    ID NAME             STATUS     PATH                           BRAND    IP
   0 global           running    /                              native   shared
   - zone1            installed  /export/home/zone1             native   excl
   - zone2            installed  /export/home/zone2             native   excl

    Note that the zones are no longer running, although they remain installed. To reboot a halted zone, refer to How to Boot a Zone in System Administration Guide: Virtualization Using the Solaris Operating System.

  5. Review the state of the VNICs that were configured for the halted zones.


    # dladm show-vnic

    You receive output similar to the following:


    LINK        OVER             SPEED  MACADDRESS         MACADDRTYPE
vnic1       e1000g0      1000 Mbps  2:8:20:5f:84:ff    random
vnic2       e1000g0      1000 Mbps  2:8:20:54:f4:74    random

    The resulting output shows that the VNICs are still configured as data links in the global zone. These VNICs were only plumbed and up in their associated exclusive IP zones, which are now halted. These VNICs are not plumbed in the global zones.

  6. Delete the VNICs.


    # dladm delete-vnic vnic-link-name

    For example, you would type the following to delete the VNICs in the zones in Figure 10–1.


    # dladm delete-vnic vnic1
# dladm delete-vnic vnic1
Next Steps

You can perform further operations on the existing zones, as required.