Virtualizing Physical Machine Post: 302963655

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Operating Systems AIX Virtualizing Physical Machine Post 302963655 by agent.kgb on Monday 4th of January 2016 03:55:58 PM

01-04-2016

Registered User

Quote:

Originally Posted by JME2015

Thanks agent.kdb , Can I ask you this, even all the LPARs are in a same network , don't you still need a VLAN to configure the SEA. How do you configure SEA without VLAN tagging Or I am just dumb . I thought even for the simplest SEA you have to do the following .
$ mkvdev -sea <PHYSICAL NIC> -vadapter <VIRT Ethernet> -default <VIRT Ethernet > -defaultid <VLAN>

How are the other client LPARs will share the network without VLAN, how would create vethernet for the client LPAR?

there is a special VLAN ID 1, which means "default VLAN". Your network administrator already configured the port with one tagged VLAN (native or access VLAN). Just make everywhere in VIO configuration (VIO profile and mkvdev command, you wrote above) VLAN ID 1 and don't switch VLAN tagging in VIO profile. If you do so, your network packets will go out untagged to the network and will be tagged by the switch with the right VLAN ID.

---------- Post updated at 09:55 PM ---------- Previous update was at 09:54 PM ----------

Quote:

Originally Posted by bakunin

If you plan to create several LPARs depending on the VIOS and you already went for the HMC route you most probably want not one but two VIOS. For this you need also two (physical) network adapters, one to give to each VIOS.

Unfortunately it is impossible to buy 710 with split backplane configuration and the only option to have two VIOSes on it is to have 2 FC Adapters and to boot VIOS from SAN. Although I am not sure - I've never seen a virtualized 710 ;-)

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LEARN ABOUT REDHAT

vconfig

VCONFIG(8)						      System Manager's Manual							VCONFIG(8)

NAME

       vconfig - VLAN (802.1q) configuration program.

SYNOPSIS

       vconfig [lots of long options]

DESCRIPTION

       The  vconfig program allows you to create and remove vlan-devices on a vlan enabled kernel. Vlan-devices are virtual ethernet devices which
       represents the virtual lans on the physical lan.

OPTIONS

       add [interface-name] [vlan-id]
	      Creates a vlan-device on [interface-name]. The resulting vlan-device will be called according to the nameing convention set.

       rem [vlan-device]
	      Removes the named vlan-device.

       set_flag [vlan-device] 0 | 1
	      When 1, ethernet header reorders are turned on. Dumping the device will appear as a  common  ethernet  device  without  vlans.  When
	      0(default)  however,  ethernet  headers are not reordered, which results in vlan tagged packets when dumping the device. Usually the
	      default gives no problems, but some packet filtering programs might have problems with it.

       set_egress_map [vlan-device] [skb-priority] [vlan-qos]
	      This flags that outbound packets with a particular skb-priority should be tagged with the particular  vlan  priority  vlan-qos.  The
	      default vlan priority is 0.

       set_ingress_map [vlan-device] [skb-priority] [vlan-qos]
	      This  flags  that  inbound  packets  with the particular vlan priority vlan-qos should be queued with a particular skb-priority. The
	      default skb-priority is 0.

       set_name_type VLAN_PLUS_VID | VLAN_PLUS_VID_NO_PAD | DEV_PLUS_VID | DEV_PLUS_VID_NO_PAD
	      Sets the way vlan-device names are created. Use vconfig without arguments to see the different formats.

       NOTES  VLAN will use Broadcom's NICE interface when the network device supports it. This is necessary, since usually the hardware of  these
	      devices  already	removes the vlan tag from the ethernet packet. The set_flag option on vlan-devices created on such a physical net-
	      work device will be ignored.  Dumping the network-device will show only untagged(non-vlan) traffic,  and	dumping  the  vlan-devices
	      will only show traffic intended for that vlan, without the tags.

FILES

       /proc/net/vlan/config
       /proc/net/vlan/[vlan-device]

SEE ALSO

       ip(8), ifconfig(8)

AUTHORS

       This manual page was written by Ard van Breemen <ard@kwaak.net>
       The vlan patch is written by Ben Greear <greearb@candelatech.com>

																	VCONFIG(8)