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Operating Systems AIX Vio Build
# 15  
Old 07-22-2011
Thank you for sharing! This was exactly what I was looking for.Very good article. Rated no.vang thank a remark, an honest comment. I like to list on this list. hello nick chat: thienthien_bk
# 16  
Old 07-22-2011
Quote:
Originally Posted by mk8570
Thanks JohnF. I understand that SEA is a Layer 2 bridge between the physical and the virtual interface. But in this case , only ent1 has a I/P. So, without the I/p how is the trafiic send from ent0 or ent2 ?



Code:
ent0, ent2 __ etherchannel ( ent6 ) --- ent4 (Virtual) --- ent7 (SEA) 
----ent5 (Ctrl chan) 
 
ent1 -- Has a I/P address bound

It will never work with the IP address on ENT1! I have no idea where ent1 is, is this on the VIO server, on the client LPAR? If it is on the client LPAR is it a physical adapter on a multi port card? If it is on the client LPAR but not a pysical port then there must be a second virtual adapter defined on the VIO server as logically ent0 on the client LPAR should (SHOULD) be connected to the first virtual adapter on the VIO (ENT7). You need to confirm exactly where ent1 is because at the moment I cannot comment on why ent1 has an IP address on it!

Last edited by johnf; 07-25-2011 at 10:06 AM..
# 17  
Old 07-26-2011
Quote:
Originally Posted by mk8570
Thanks JohnF. I understand that SEA is a Layer 2 bridge between the physical and the virtual interface. But in this case , only ent1 has a I/P. So, without the I/p how is the trafiic send from ent0 or ent2 ?



Code:
ent0, ent2 __ etherchannel ( ent6 ) --- ent4 (Virtual) --- ent7 (SEA) 
----ent5 (Ctrl chan) 
 
ent1 -- Has a I/P address bound

I have had another look at the listing and now fully understand what is going on and your problem!

The VIO server is fitted with a four port ethernet card hence ent0, 1, 2, and 3 which is not listed but must be there as the first virtual connector became ent4 with ent5 as its control channel (These were created on the HMC before the etherchannel adapter was created hence the etherchannel adapter is ent6). The etherchannel was then created probably using the following command on the VIO server:

Code:
mkvdev -lnagg ent0 ent2 -attr mode=8023ad

Following this the only virtual SEA was created on the VIO server using the following command:

Code:
mkvdev -sea ent6 –vadapter ent4 -default ent4 -defaultid 100 (This is the VLAN ID) -attr ha_mode=auto ctl_chan=ent5

All of this means the adapter ent1 is a physical port on the VIO server which is configured with a management / admin address (whichever your organisation uses).

As I said earlier you will need to connect the client LPARs virtual ethernet adapter to whichever VLAN id was declared when ent4 was created. To find this VLAN id you can either look at the VIO server on the HMC or run the command
Code:
entstat -d ent7 | more

which will list the VLAN id in the listing which is quite long!

Last edited by johnf; 07-26-2011 at 05:06 AM.. Reason: bad spelling!
# 18  
Old 07-26-2011
Thanks . I got the clarification and it seems to be working fine now.
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