Each 8040/60/80 controller has 4 10GbE ports (e0a-e0d) and 4 UTA2 ports (e0e-e0h). Ports e0a-e0d, in a cDOT configuration, are used for the private cluster network while ports e0e-e0h are used for data communications. No extra 10G card is needed at this time.
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André M. Clark | Sr. Consulting Architect | 917.388.8236
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From: toasters-bounces@teaparty.net [mailto:toasters-bounces@teaparty.net] On Behalf Of tmac
Sent: Thursday, 9 April, 2015 06:22
To: Francis Kim
Cc: toasters@teaparty.net
Subject: Re: FAS8040 network configuration in CDOT
No that won't work.
If you are configuring cDOT, at least two ports per controller are reserved for the cluster network (e0a & e0c)
This leaves e0b and e0d available for normal network access
The recommended configuration is to use all four ports for the cluster network (e0a, e0b, e0c & e0d).
In this case, if you need/want 10gig network connections you would need an extra 10gig card
AS indicated earlier in this thread, from each controller:
a0a should be a multimode_lacp VIF and contain:
e0b -> switch 1
e0d -> switch 2
Then you can create your VLANs: a0a-123, a0a-456
Place your LIFs on the tagged VLANs
Create a failover group for node-01:a0a-123 and node-02:a0a-123
Create a failover group for node-01:a0a-456 and node-02:a0a-456
Assign the failover group to the appropriate LIF
PS: DO NOT FORGET to disable spanning tree on the switch ports.
--> spanning tree protocol should only be enabled on ports connected to other switches.
--> it is not needed on ports connected to en hosts
--> in a cluster failover event it could take an extra 45 seconds for a port to become available.(not good)
--> remember to use the right version of the command. if it is a trunk, you usually need that on the line
--tmac
Tim McCarthy
Principal Consultant
On Wed, Apr 8, 2015 at 11:36 PM, Francis Kim <fkim@berkcom.com> wrote:
You can also tie the four links into a single interface group and carve it up into multiple VLANs.
What ports are you going to use for the cluster interconnect? I assume you’re ordering a switchless cluster of two nodes?
On Apr 8, 2015, at 3:51 PM, Sayla, Mustafa <MSAYLA@mesirowfinancial.com> wrote:
We are looking to buy new FAS8040 and configure it with CDOT. I am looking for network recommendation with Cisco 6509 VSS. 8040 has four 10G ports per controller and I want to use all four ports to create an interface group with two VLAN, using VLAN tagging. I want 2 ports to go to one VSS switch and 2 ports to go to other VSS switch so I have switch redundancy also. I am not sure if it is doable since I am going to two different switches. Any recommendation is appreciated.
Mustafa
Visit us on the Web at mesirowfinancial.com
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