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|Oracle Solaris Administration: Oracle Solaris Zones, Oracle Solaris 10 Zones, and Resource Management Oracle Solaris 11 Information Library|
IP Network Multipathing (IPMP) in an exclusive-IP zone is configured as it is in the global zone. To use IPMP, an exclusive-IP zone requires at least two zonecfg add net resources. IPMP is configured from within the zone on these data-links.
You can configure one or more physical interfaces into an IP multipathing group, or IPMP group. After configuring IPMP, the system automatically monitors the interfaces in the IPMP group for failure. If an interface in the group fails or is removed for maintenance, IPMP automatically migrates, or fails over, the failed interface's IP addresses. The recipient of these addresses is a functioning interface in the failed interface's IPMP group. The failover component of IPMP preserves connectivity and prevents disruption of any existing connections. Additionally, IPMP improves overall network performance by automatically spreading out network traffic across the set of interfaces in the IPMP group. This process is called load spreading.
Use this procedure to configure IPMP in the global zone and extend the IPMP functionality to non-global zones.
This procedure accomplishes the following:
The cards bge0 and hme0 are configured together in a group.
Address 192.168.0.1 is associated with the non-global zone my-zone.
The bge0 card is set as the physical interface. Thus, the IP address is hosted in the group that contains the bge0 and hme0 cards.
You must be the global administrator or a user granted the appropriate authorizations in the global zone to perform this procedure.
zonecfg:my-zone> add net zonecfg:my-zone:net> set address=192.168.0.1 zonecfg:my-zone:net> set physical=bge0 zonecfg:my-zone:net> end
Only bge0 would be visible in non-global zone my-zone.
If bge0 subsequently fails and the bge0 data addresses fail over to hme0 in the global zone, the my-zone addresses migrate as well.
If address 192.168.0.1 moves to hme0, then only hme0 would now be visible in non-global zone my-zone. This card would be associated with address 192.168.0.1, and bge0 would no longer be visible.