VIOS SEA Network bridge without HMC

Two ways to make the VIOS's network to work:

SEA (shared ethernet Adapter)
HSE (hosted Ethernet Adapter)

In this SEA example, we need to create a bridge to make it work.  We need to create a share adapter to pass the network traffic from internal to external.

$  lsdev -type adapter
name             status      description
ent0             Available   10 Gb Ethernet PCI Express Dual Port Adapter (7710008077108001)
ent1             Available   10 Gb Ethernet PCI Express Dual Port Adapter (7710008077108001)
ent2             Available   2-Port Integrated Gigabit Ethernet PCI-Express Adapter (e4143a161410ed03)
ent3             Available   2-Port Integrated Gigabit Ethernet PCI-Express Adapter (e4143a161410ed03)
ent4             Available   Virtual I/O Ethernet Adapter (l-lan)
ent5             Available   Virtual I/O Ethernet Adapter (l-lan)
ent6             Available   Virtual I/O Ethernet Adapter (l-lan)
ent7             Available   Virtual I/O Ethernet Adapter (l-lan)
fcs0             Available   10Gb FCoE PCIe Blade Expansion Card (7710018077107f01)
fcs1             Available   10Gb FCoE PCIe Blade Expansion Card (7710018077107f01)
fcs2             Available   8Gb PCIe FC Blade Expansion Card (7710322577107601)
fcs3             Available   8Gb PCIe FC Blade Expansion Card (7710322577107601)
ibmvmc0          Available   Virtual Management Channel
sissas0          Available   PCI Express x8 Planar 3Gb SAS Adapter
usbhc0           Available   USB Host Controller (33103500)
usbhc1           Available   USB Host Controller (33103500)
usbhc2           Available   USB Enhanced Host Controller (3310e000)
vhost0           Available   Virtual SCSI Server Adapter
vsa0             Available   LPAR Virtual Serial Adapter
vts0             Available   Virtual TTY Server Adapter

$ mkvdev -sea ent2 -vadapter ent7 -default ent7 -defaultid 1 -migrate
            main:  86 Recived SEA events bytes 164
ent8 Available





(Please make a note, we need to find a existed and available Virtual I/O in here which I picked ent7. This command will create a new shared Ethernet adapter. Please see the example below)

$ lsdev -type adapter
name             status      description
ent0             Available   10 Gb Ethernet PCI Express Dual Port Adapter (7710008077108001)
ent1             Available   10 Gb Ethernet PCI Express Dual Port Adapter (7710008077108001)
ent2             Available   2-Port Integrated Gigabit Ethernet PCI-Express Adapter (e4143a161410ed03)
ent3             Available   2-Port Integrated Gigabit Ethernet PCI-Express Adapter (e4143a161410ed03)
ent4             Available   Virtual I/O Ethernet Adapter (l-lan)
ent5             Available   Virtual I/O Ethernet Adapter (l-lan)
ent6             Available   Virtual I/O Ethernet Adapter (l-lan)
ent7             Available   Virtual I/O Ethernet Adapter (l-lan)
ent8             Available   Shared Ethernet Adapter
fcs0             Available   10Gb FCoE PCIe Blade Expansion Card (7710018077107f01)
fcs1             Available   10Gb FCoE PCIe Blade Expansion Card (7710018077107f01)
fcs2             Available   8Gb PCIe FC Blade Expansion Card (7710322577107601)
fcs3             Available   8Gb PCIe FC Blade Expansion Card (7710322577107601)
ibmvmc0          Available   Virtual Management Channel
sissas0          Available   PCI Express x8 Planar 3Gb SAS Adapter
usbhc0           Available   USB Host Controller (33103500)
usbhc1           Available   USB Host Controller (33103500)
usbhc2           Available   USB Enhanced Host Controller (3310e000)
vhost0           Available   Virtual SCSI Server Adapter
vsa0             Available   LPAR Virtual Serial Adapter
vts0             Available   Virtual TTY Server Adapter

I did wrong one. I should not assign a IP address on a Ethernet adapter. I should assign a IP address on the share network adapter. To detach it:

$ chdev -dev en2 -attr state=detach
en2 changed

$ mktcpip -hostname <HOSTNAME> -inetaddr xxx.xxx.xxx.xxx -interface en8 -netmask 255.255.255.0 -gateway xxx.xxx.xxx.xxx -nsrvaddr xxx.xxx.xxx.xxx -nsrvdomain <DOMAINNAME>

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