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тАО12-06-2010 04:28 AM
тАО12-06-2010 04:28 AM
GBE2C Configuration for redundancy
I need some tip on the basic principles in configuring some network components (various blade server in a BL7000 enclosure - two gbe2c - one stand alone switch).
That's what I think has to be done:
1) On the blade servers: team the two NIC using the NCU
2) On the GBE2C: no idea if the default config is good for what I need
3) On the external switch: I'm not sure... do I have to set up a trunk with all the ports going to the GBE2Cs? for example: if i connect 1 port on every GBE2C (total conn. ports on the ext. switch: 2) to this external switch, do I need to create a trunk with both ports?
Also: the external switch does not support STP: is this a problem in my configuration?
thanks to anyone kind enough to help me out on this! ;)
Dario Palermo
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тАО12-12-2010 11:12 PM
тАО12-12-2010 11:12 PM
Re: GBE2C Configuration for redundancy
thanks for your query.
You need to understand how port mapping is done in C7000 enclosure.
e.g. NIC 1 of all the blades are going to GBE2C Switch 1 and NIC 2 of all the blades are going to GBE2C switch 2.
Check the technology brief for more details
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00816246/c00816246.pdf
NIC teaming : you can use NCU to create team for individual blade based on the requirement.
Port mapping information provided inthe guide will answer rest of the questions.
Hope this helps,
thanks,
Aftab
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тАО12-13-2010 12:13 AM
тАО12-13-2010 12:13 AM
Re: GBE2C Configuration for redundancy
As said, I teamed up the two NIC on the blade servers.
Now, one nic is physically connected to the right GBE2C and the other one is connected to the left GBE2C.
I was (erroneously) thinking that the two switches are "seen as one", therefore I was thinking about port trunking...
Instead, the solution relies on STP, right?
If so, the external switch (where the two GBE2C are connected) as to support STP, right?
Thanks
Dario Palermo
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тАО12-13-2010 01:03 AM
тАО12-13-2010 01:03 AM
Re: GBE2C Configuration for redundancy
thanks for your understanding.
GBE2C is layer 2/3 switch and has almost all the features that we have in external switch including STP.
check the page 34 of GBE2C switch user guide
http://h20000.www2.hp.com/bc/docs/support/SupportManual/c00701541/c00701541.pdf
example support doc which talks about compatiblity between GBE2c and Cisco
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&taskId=115&prodSeriesId=1845925&prodTypeId=329290&objectID=c01841750
So this is purely based on the external network to which you want to connect blade enclosure.
thanks,
Aftab
Looking for a quick resolution to a technical issue for your HPE products? HPE Support Center Knowledge-base тАУ Just a Click Away!
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тАО12-13-2010 01:10 AM
тАО12-13-2010 01:10 AM
Re: GBE2C Configuration for redundancy
I can swap places with a 3400cl: should do the job, right? Do I need to configure the GBE2C and/or the 3400cl or can I use the default config?
Thanks
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тАО12-13-2010 06:53 AM
тАО12-13-2010 06:53 AM
Re: GBE2C Configuration for redundancy
You need to review the GBE2c documentation for basic setup information. If you have a Cisco switch you are also going to need to review and implement the basic setup.
I would recommend reviewing the features LACP and STP.
Note: With Cisco switches ports are not enabled by default, so you have to do some configuration. The Procurve switch has all ports enabled by default. All Procurve switches have this feature except for the 7000 series.
If you are going to have any redundant links, you have to plan your network topology and configure each switch appropriately.
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тАО12-13-2010 07:39 AM
тАО12-13-2010 07:39 AM
Re: GBE2C Configuration for redundancy
the network topology is the one posted in my first message and is not so complex: 2 nics in every blade server, 2 GbE2C and 1 external switch (actually: Procurve 1800-24g). port 21 from each GbE2c are connected to the Procurve.
I made some efforts:
1) Configured the nic teams on the server as NFT (Network Fault Tolerant)
2) enabled ports 17 & 18 on the two GbE2c
This way, I'm using an active/passive configuration, not the best solution...
Honestly, I'm not 100% sure of what I'm doing...
Need some help.
Thanks
Dario Palermo
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тАО12-14-2010 05:08 AM
тАО12-14-2010 05:08 AM
Re: GBE2C Configuration for redundancy
Dario