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Related Items. Netra SPARC T4-1 Server Related Categories.
Nxge 10gig ethernet very slow. Iirc there were a lot of problems with the nxge drivers (and workarounds which slowed performance) so it might be worth a visit to sunsolve to see if anything newer is available.-. Next: Solaris 10 x86 installation problem. Brother Driver Download, Software, Manual, Wireless Setup, Printer Installation For Windows, Mac, and Linux.
PLA-SupportSun SystemsSPARCCMTSN-SPARC: T4.Old GCS CategoriesSun MicrosystemsServersNEBS-Certified Servers In this Document Oracle Confidential (INTERNAL). Do not distribute to customers. Reason: Restricted product info Applies to: Netra SPARC T4-1 Server - Version Not Applicable and later Information in this document applies to any platform.
Purpose Below are Platform Specific patches recommended for the Netra T4-1 Systems. For the recommended Solaris patches, please access.
Check the for information on new features and open issues Details.
Configuring Jumbo Frames The Logical Domains virtual switch ( vsw) and virtual network ( vnet) devices can now support Ethernet frames with payload sizes larger than 1500 bytes. This change results in these drivers being able to increase network throughput. How to Configure Virtual Network and Virtual Switch Devices to Use Jumbo Frames You enable jumbo frames by specifying the maximum transmission unit (MTU) for the virtual switch device.
In such cases, the virtual switch device and all virtual network devices that are bound to the virtual switch device use the specified MTU value. In certain circumstances, you can specify an MTU value directly on a virtual network device. You might do this if the required MTU value for the virtual network device should be less than that supported by the virtual switch.
Note - On the Oracle Solaris 10 5/09 OS, the MTU of a physical device must be configured to match the MTU of the virtual switch. For information about configuring particular drivers, see the man page that corresponds to that driver in Section 7D of the Oracle Solaris reference manual. For example, to obtain information about the Oracle Solaris 10 nxge driver, see the man page. Log in to the control domain. Become an administrator, superuser, or assume an equivalent role. For Oracle Solaris 10, see. For Oracle Solaris 11, see.
Determine the value of MTU that you want to use for the virtual network. You can specify an MTU value from 1500 to 16000 bytes.
The specified MTU must match the MTU of the physical network device that is assigned to the virtual switch. Specify the MTU value of a virtual switch device or virtual network device. Do one of the following:. Enable jumbo frames on a new virtual switch device in the service domain by specifying its MTU as a value of the mtu property. # ldm add-vsw mtu= value vswitch-name ldom In addition to configuring the virtual switch, this command updates the MTU value of each virtual network device that will be bound to this virtual switch. Enable jumbo frames on an existing virtual switch device in the service domain by specifying its MTU as a value of the mtu property.
# ldm set-vsw mtu= value vswitch-name In addition to configuring the virtual switch, this command updates the MTU value of each virtual network device that will be bound to this virtual switch. In rare circumstances, you might need to use the ldm add-vnet or ldm set-vnet command to specify an MTU value for a virtual network device that differs from the MTU value of the virtual switch. For example, you might change the virtual network device's MTU value if you configure VLANs over a virtual network device and the largest VLAN MTU is less than the MTU value on the virtual switch. A vnet driver that supports jumbo frames might not be required for domains where only the default MTU value is used. However, if the domains have virtual network devices bound to a virtual switch that uses jumbo frames, ensure that the vnet driver supports jumbo frames. If you use the ldm set-vnet command to specify an mtu value on a virtual network device, future updates to the MTU value of the virtual switch device are not propagated to that virtual network device.
To reenable the virtual network device to obtain the MTU value from the virtual switch device, run the following command: # ldm set-vnet mtu= vnet-name ldom Note that enabling jumbo frames for a virtual network device automatically enables jumbo frames for any HybridIO resource that is assigned to that virtual network device. On the control domain, the Logical Domains Manager updates the MTU values that are initiated by the ldm set-vsw and ldm set-vnet commands as delayed reconfiguration operations. To make MTU updates to domains other than the control domain, you must stop a domain prior to running the ldm set-vsw or ldm set-vnet command to modify the MTU value. Example 8-2 Configuring Jumbo Frames on Virtual Switch and Virtual Network Devices. The following example shows how to add a new virtual switch device that uses an MTU value of 9000. This MTU value is propagated from the virtual switch device to all of the client virtual network devices. First, the ldm add-vsw command creates the virtual switch device, primary-vsw0, with an MTU value of 9000.
Note that instance 0 of the network device nxge0 is specified as a value of the net-dev property. # ldm add-vsw net-dev=nxge0 mtu=9000 primary-vsw0 primary Next, the ldm add-vnet command adds a client virtual network device to this virtual switch, primary-vsw0. Note that the MTU of the virtual network device is implicitly assigned from the virtual switch to which it is bound. As a result, the ldm add-vnet command does not require that you specify a value for the mtu property.
# ldm add-vnet vnet01 primary-vsw0 ldom1 Depending on the version of the Oracle Solaris OS that is running, do the following:. Oracle Solaris 10 OS. The ifconfig command creates the virtual switch interface in the service domain, primary. The ifconfig vsw0 command output shows that the value of the mtu property is 9000. # ifconfig vsw0 plumb # ifconfig vsw0 192.168.1.100/24 up # ifconfig vsw0 vsw0: flags=201000843 mtu 9000 index 5 inet 192.168.1.100 netmask ffffff00 broadcast 192.168.1.255 ether 0:14:4f:fa:0:99 The ifconfig command creates the virtual network interface in the guest domain, ldom1. The ifconfig vnet0 command output shows that the value of the mtu property is 9000. # ifconfig vnet0 plumb # ifconfig vnet0 192.168.1.101/24 up # ifconfig vnet0 vnet0: flags=201000843 mtu 9000 index 4 inet 192.168.1.101 netmask ffffff00 broadcast 192.168.1.255 ether 0:14:4f:f9:c4:13.
Oracle Solaris 11 OS. Use the ipadm and dladm commands to change the primary interface's mtu property value to 9000. # ipadm show-ifprop -p mtu net0 IFNAME PROPERTY PROTO PERM CURRENT PERSISTENT DEFAULT POSSIBLE net0 mtu ipv4 rw 9000 - 90 The ipadm command creates the virtual network interface in the guest domain, ldom1. The ipadm show-ifprop command output shows that the value of the mtu property is 9000. # ipadm create-ip net0 # ipadm create-addr -T static -a 192.168.1.101/24 net0/ipv4 # ipadm show-ifprop -p mtu net0 IFNAME PROPERTY PROTO PERM CURRENT PERSISTENT DEFAULT POSSIBLE net0 mtu ipv4 rw 9000 - 90.
The following example shows how to change the MTU of the interface to 4000. Note that the MTU of an interface can only be changed to a value that is less than the MTU of the device that is assigned by the Logical Domains Manager.
This method is useful when VLANs are configured, and each VLAN interface requires a different MTU. Oracle Solaris 10 OS.
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Use the ifconfig command. # ifconfig vnet0 mtu 4000 # ifconfig vnet0 vnet0: flags= mtu 4000 index 4 inet 192.168.1.101 netmask ffffff00 broadcast 192.168.1.255 ether 0:14:4f:f9:c4:13.
Oracle Solaris 11 OS. Use the ipadm command. # ipadm set-ifprop -p mtu=4000 net0 # ipadm show-ifprop -p mtu net0 IFNAME PROPERTY PROTO PERM CURRENT PERSISTENT DEFAULT POSSIBLE net0 mtu ipv4 rw 4000 - 90 Compatibility With Older (Jumbo-Unaware) Versions of the vnet and vsw Drivers (Oracle Solaris 10).
Note - Do not set the mtu property if any guest or service domains that are associated with the virtual switch do not use Logical Domains drivers that support jumbo frames. Jumbo frames can be enabled by changing the mtu property of a virtual switch from the default value of 1500. In this instance, older driver versions ignore the mtu setting and continue to use the default value. Note that the ldm list output will show the MTU value you specified and not the default value. Any frames larger than the default MTU are not sent to those devices and are dropped by the new drivers. This situation might result in inconsistent network behavior with those guests that still use the older drivers. This applies to both client guest domains and the service domain.
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So, while jumbo frames are enabled, ensure that all virtual devices in the Logical Domains network are upgraded to use the new drivers that support jumbo frames. You must be running at least Logical Domains 1.2 to configure jumbo frames.