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VMware vSwitch How to Add Observed IP ranges

Posted on 2012-03-20
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Last Modified: 2012-03-21
I am trying to set up a vSwitch to connect to an iSCSI SAN.  I have created a vSwitch for my physical adapter but if I click the properties of the switch the Observed IP Rnages indicates NONE and the Networks Status also indicated none.  How can I get this switch to observe an IP range?

Maybe the question should be: how to configure my 10GB iSCSI interface on ESX5 so that it has an IP address that is useable on the network.
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Question by:Drafter421
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LVL 123

Accepted Solution

by:
Andrew Hancock (VMware vExpert / EE MVE^2) earned 2000 total points
ID: 37744719
The observed IP address range will only populate if the NIC detects network traffic. It's only a guide and not important. Some admins use it, to check the physical NIC is on the correct network. It depends on how busy the network is, on how quickly it populates.

Checkout my EE Articles for Step by Step walkthrough of how to configure iSCSI

HOW TO: Enable Jumbo Frames on a VMware vSphere Hypervisor (ESXi 5.0) host server using the VMware vSphere Client

HOW TO: Add an iSCSI Software Adaptor and Create an iSCSI Multipath Network in VMware vSphere Hypervisor ESXi 5.0
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Author Comment

by:Drafter421
ID: 37744733
I've already used your very helpful links.  Still I cannot ping the interface the iSCSI physical adapter is connected to.
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LVL 123
ID: 37744801
upload screen shots of your networking.
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Author Comment

by:Drafter421
ID: 37744867
Which shots would be most helpful for you?
1.JPG
2.JPG
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Author Comment

by:Drafter421
ID: 37744880
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Author Comment

by:Drafter421
ID: 37744881
Storage Adapter shot
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LVL 123
ID: 37744882
so you cannot ping you iSCSI address? 2.26?

can you ping this address from the ESXi server?

can you ping the management address 2.50?

is the 10Gb nic up?
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Author Comment

by:Drafter421
ID: 37744903
I can ping 10.0.2.50.
I cannot ping 10.0.2.26
Nic is up at 10000 Full
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LVL 123
ID: 37744915
there must be an issues with the physical connection? cable, port, port mis configured,mincorrect VLAN

you cannot ping 2.26 from the ESXi console?

correct subnet?
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LVL 123
ID: 37744919
what is the nic?
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LVL 123
ID: 37744929
check and update NIC drivers, is NIC on HCL?
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Author Comment

by:Drafter421
ID: 37744934
I cannot ping 2.26 from anywhere.  It is attached to the SAN interface of 10.0.2.111.  
The nic is a HP CN1100E converged network adapter.
The cable is connected from the nic directly to the SAN
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Author Comment

by:Drafter421
ID: 37744936
HCL?
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LVL 123
ID: 37744943
okay, if you have connected cable direct to SAN, its unlikely you will be able to ping the interface.

but can you use vmkping the SANs IP address of 2.111

you will need to use vmkping, special ping which will ping using the VMKernel port.

Hardware Compatibility List.
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Author Comment

by:Drafter421
ID: 37744948
Cannot ping 2.111 with vmkping.
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LVL 123
ID: 37744965
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Author Comment

by:Drafter421
ID: 37744971
Nic is on HCL.  It's called Emulex CN1100E.  Driver is current.
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Author Closing Comment

by:Drafter421
ID: 37747473
I changed the IPs of vSwitch1 and my SAN interface to 192.168.... and now the interfaces are pinging so I think the issue is solved and I'll try moving on now.  Thanks very much for your help.
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