Solaris 11 Network

Quote from SUN Doc.

Oracle Solaris 11 uses profile-based network configuration, which is comprised of two network configuration modes: manual (fixed) and automatic (reactive). Depending on which network configuration mode you choose during an installation, either the DefaultFixed network configuration profile (NCP) or the Automatic NCP is activated on the system. If the DefaultFixed NCP is active, the network is manually configured by using the dladm and ipadm commands . If the Automatic NCP or a user-defined NCP that you previously created is active, the netcfg and netadm commands (formerly nwamcfg and nwamadm) are used to create and manage network configuration.

To determin either eanual or automatic, to run the following command:

Note that in this example, a user-defined Location profile called myloc is also online. When using automatic network configuration, at least one NCP and one location must be active on the system at all times.
$ netadm list
TYPE        PROFILE        STATE
ncp         Automatic      online
ncu:phys    net0           online
ncu:ip      net0           online
ncu:phys    net1           offline
ncu:ip      net1           offline
ncu:phys    net2           offline
ncu:ip      net2           offline
ncu:phys    net3           offline
ncu:ip      net3           offline
loc         Automatic      offline
loc         NoNet          offline
loc         myloc          online
loc         User           disabled

When the DefaultFixed NCP is active, the network must be manually configured by using the dladm and ipadm commands.
# netadm list
netadm: DefaultFixed NCP is enabled; automatic network management is not available.
'netadm list' is only supported when automatic network management is active.

Displaying and Configuring Link Interfaces When in Manual Mode


When you perform a fresh installation, all datalinks are automatically assigned generic names by using a net0, net1, and netN naming convention, depending on the total number of network devices on a system. After installing, you can use different datalink names. See How to Rename a Datalink in Oracle Solaris Administration: Network Interfaces and Network Virtualization.

Note - During an upgrade, link names that were used previously are retained.

Display information about the datalinks on a system as follows:
# dladm show-phys
LINK              MEDIA                STATE      SPEED  DUPLEX    DEVICE
net2              Ethernet             up         10000  full      hxge0
net3              Ethernet             up         10000  full      hxge1
net4              Ethernet             up         10     full      usbecm0
net0              Ethernet             up         1000   full      igb0
net1              Ethernet             up         1000   full      igb1
net9              Ethernet             unknown    0      half      e1000g0
net5              Ethernet             unknown    0      half      e1000g1
net10             Ethernet             unknown    0      half      e1000g2
net11             Ethernet             unknown    0      half      e1000g3

Configuring Network Interfaces When in Manual Mode


The ipadm command is used to manually configure IP interfaces and addresses. For example, a static IPv4 interface is configured as follows:
# ipadm create-ip net0
# ipadm create-addr -T static -a local=10.9.8.7/24 net0/addr

The -T option can be used to specify three address types: static, dhcp, and addrconf (for auto-configured IPv6 addresses). In this example, the system is configured with a static IPv4 address. Use the same syntax to specify a static IPv6 address.

Configure an interface with DHCP as follows:
# ipadm create-ip net0
# ipadm create-addr -T dhcp net0/addr

Use the addrconf argument with the -T option to specify an automatically generated IPv6 address:
# ipadm create-ip net0
# ipadm create-addr -T addrconf net0/addr

If the net0 interface in this example was created, and you then wanted to change the IP address that was provided for this interface, you would need to first remove the interface and then re-add it:
# ipadm delete-ip net0
# ipadm create-ip net0
# ipadm create-addr -T addrconf net0/new-add


For more info, please check http://docs.oracle.com/cd/E23824_01/html/E24456/gliyc.html#scrolltoc

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