Verify Ethernet address for LDOM

Asset ID:	1-71-1020017.1
Update Date:	2011-04-21
Keywords:

Solution Type Technical Instruction Sure

Solution 1020017.1 : Verify Ethernet address for LDOM

Applies to:

Sun Blade T6300 Server Module
Sun Blade T6320 Server Module
Sun Blade T6340 Server Module
Sun Netra T2000 Server
Sun Netra T5220 Server
All Platforms

Goal

This document would explain the details of verifying ethernet address of LDOM

Solution

We will provide an overview of how to verify and modify mac address of vsw and vnet in LDOM.

***NOTE*** Configuration changes to LDoms need to be saved to the SP using the
ldm(1M) add-config subcommand. If not, the configurations will be lost when the
primary domain is rebooted.

Displaying mac address of vnet : Adding vnet to guest domain ldom02 will result in ldom manager assigning mac address
# /opt/SUNWldm/bin/ldm add-vnet vnet0 primary-vsw0 ldom02
# /opt/SUNWldm/bin/ldm list-domain -o network ldom02
NAME
ldom02

NETWORK
NAME SERVICE DEVICE MAC MODE PVID VID
vnet0 primary-vsw0 00:14:4f:f8:8d:a1 1
Displaying mac addresses assigned to two vnet's
Adding vnet to guest domain ldom01 will result in ldom manager assigning mac address from its mac address pool
# /opt/SUNWldm/bin/ldm add-vnet vnet0 primary-vsw0 ldom01

Adding vnet to guest domain ldom01 in hybrid mode will result in ldom manager assigning mac address
NOTE: hybrid feature is supported only on nxge 10Gigabit ethernet which is part of XAUI slot. Hybrid feature is supported from ldom 1.1
# /opt/SUNWldm/bin/ldm add-vnet mode=hybrid vnet1 primary-vsw0 ldom01

Below command will show the mac address assigned to vnet0 and vnet1. 00:14:4f:fa:33:e5 is the system mac address of guest ldom ldom01.
# /opt/SUNWldm/bin/ldm list-domain -o network ldom01
NAME
ldom01

MAC
    00:14:4f:fa:33:e5

NETWORK
    NAME             SERVICE                   DEVICE            MAC                   MODE   PVID VID
    vnet0            primary-vsw0@primary        network@0     00:14:4f:f8:e2:d9          1
    vnet1            primary-vsw1@primary        network@1     00:14:4f:f8:c9:7e hybrid    1

Guest domain vnet mac address can be verified by logging to guest domain ldom01 and executing ifconfig -a
# ifconfig -a
lo0: flags=2001000849 mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
vnet0: flags=1000843 mtu 1500 index 2
        inet 10.5.63.112 netmask fffff800 broadcast 10.5.63.255
        ether 0:14:4f:f8:e2:d9
vnet1: flags=1000843 mtu 1500 index 3
        inet 192.1.1.3 netmask ffffff00 broadcast 192.1.1.255
        ether 0:14:4f:f8:c9:7e

We can find vnet0 and vnet1 mac address by executing prtconf -pv command on ldom01:

# prtconf -pv | grep local-mac-address
        local-mac-address?: 'true'
                local-mac-address: 00144ff8.e2d9
                local-mac-address: 00144ff8.c97e

Also, We can obtain mac address from guest domain ldom01 obp prompt
{0} ok devalias
vdisk1                   /virtual-devices@100/channel-devices@200/disk@0
vnet1                    /virtual-devices@100/channel-devices@200/network@1
vnet0                    /virtual-devices@100/channel-devices@200/network@0
net                        /virtual-devices@100/channel-devices@200/network@0
disk                      /virtual-devices@100/channel-devices@200/disk@0
virtual-console      /virtual-devices/console@1
name                    aliases

Displaying vnet0 mac address:

{0} ok cd /virtual-devices@100/channel-devices@200/network@0
{0} ok .properties
local-mac-address        00 14 4f f8 e2 d9
max-frame-size              00004000
address-bits               00000030
reg                                00000000
compatible                    SUNW,sun4v-network
device_type                  network
name                            network

Displaying vnet1 mac address

{0} ok cd /virtual-devices@100/channel-devices@200/network@1
{0} ok .properties
local-mac-address        00 14 4f f8 c9 7e
max-frame-size            00004000
address-bits                  00000030
reg                                00000001
compatible                SUNW,sun4v-network
device_type                  network
name                            network

Guest domain System mac address can be displayed by executing banner obp command
{0} ok banner

SPARC Enterprise T5220, No Keyboard
Copyright 2008 Sun Microsystems, Inc. All rights reserved.
OpenBoot 4.30.0, 1024 MB memory available, Serial #83506149.
Ethernet address 0:14:4f:fa:33:e5, Host ID: 84fa33e5.
MAC-Address collision
Adding vnet to guest domain ldom02 will result in ldom manager assigning mac address from its mac-address pool
# /opt/SUNWldm/bin/ldm add-vnet vnet0 primary-vsw0 ldom02
# /opt/SUNWldm/bin/ldm list-domain -o network ldom02
NAME
ldom02

NETWORK
    NAME             SERVICE                     DEVICE     MAC &nb Assigning new mac address to vnet0
#/opt/SUNWldm/bin/ldm set-vnet mac-addr=00:14:4f:d3:b1:c1 vswitch=primary-vsw0 vnet0 ldom02
Display new mac address of vnet0
# /opt/SUNWldm/bin/ldm list-domain -o network ldom02
NAME
ldom02

NETWORK
    NAME             SERVICE                     DEVICE      MAC               MODE     PVID VID
    vnet0            primary-vsw0                                       00:14:4f:d3:b1:c1       hybrid         1
BEST PRACTISE: Assign mac address of physical interface to vsw
Assign mac address of e1000g0 to vsw0 and nxge0 to vsw1

Plumb nxge0, run ifconfig nxge0 to find mac address of nxge0 and then unplumb
# ifconfig nxge0 plumb
# ifconfig -a
lo0: flags=2001000849 mtu 8232 index 1
        inet 127.0.0.1 netmask ff000000
vsw0: flags=201000843 mtu 1500 index 2
        inet 10.5.60.232 netmask fffff800 broadcast 10.5.63.255
        ether 0:21:28:16:d8:5c
nxge0: flags=201000842 mtu 1500 index 3
        inet 0.0.0.0 netmask 0
        ether 0:14:4f:c9:e3:ba
# ifconfig nxge0 unplumb

Above data shows nxge0 mac address is 0:14:4f:c9:e3:ba. You can also find mac-address
from prtconf -pv | grep local-mac-address

Assignig mac-address 0:14:4f:c9:e3:ba to vsw1 (primary-vsw1) by executing ldm command

#/opt/SUNWldm/bin/ldm add-vsw mac-addr=0:14:4f:c9:e3:ba net-dev=nxge0 primary-vsw1 primary

Below command shows mac address 0:14:4f:c9:e3:ba has been assigned to vsw1
# /opt/SUNWldm/bin/ldm list-domain -o network primary
NAME
primary

MAC
    00:21:28:16:d8:5c

VSW
    NAME            MAC               NET-DEV    DEVICE      DEFAULT-VLAN-ID PVID VID                  MODE
    primary-vsw0       00:21:28:16:d8:5c          e1000g0      switch@0                1                 1
    primary-vsw1     00:14:4f:c9:e3:ba            nxge0    switch@1              1                1

Product
Logical Domain Manager 1.0.1
Sun Fire T2000 Server
Sun Fire T1000 Server
Sun Netra T2000 Server
Sun Netra T5220 Server
Sun Netra T5440 Server
Netra T5220 AC
Sun SPARC Enterprise T5220 Server
Sun SPARC Enterprise T5240 Server
Sun Blade T6300 Server Module
Sun Blade T6320 Server Module
Sun SPARC Enterprise T5120 Server
Sun SPARC Enterprise T5140 Server
Sun Blade T6340 Server Module
Sun SPARC Enterprise T2000 Server
Sun SPARC Enterprise T5440 Server
Sun SPARC Enterprise T1000 Server

Internal Comments
This document contains normalized content and is managed by the the Domain Lead
(s) of the respective domains. To notify content owners of a knowledge gap
contained in this document, and/or prior to updating this document, please
contact the domain engineers that are managing this document via the "Document
Feedback" alias(es) listed below:

Normalization Lead: global-systems-tsc-domain-engineers@Sun.COM

Normalized, ldom, ldm, guest , domain, network, issues, vnet, vsw, vswitch, virtual network interface, hyrbrid I/O, DHCP, audited

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