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Frankenbean

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5844

November 14th, 2006 19:00

Trying to aggregate two 5324s

Here is the setup.  I have 2 5324 switches to which I want to connect my SAN boxes. 
 
I want to connect the two switches together using LAGs.  I've added ports 23 and 24 to channel group 1 (in Auto mode).  The GUI shows them in LAG1 and the L in the LACP status on both switches.
 
Is there a place where I can see my total throughput for that link to verify that I am getting 2 Gbps?
 
When I connect my SAN boxes, I plug one NIC into switch1 and one NIC into switch2 . I've created a second LAG and added the ports my SAN is connected to into that LAG.  On the SAN side, it shows the link as Active on one NIC and Passive on the other.  the vendor says that if my switches are configured properly they should both show as active. 
 
Does anyone have any suggestions?

cerbera_a84f2d

176 Posts

November 16th, 2006 12:00

If you are using the GUI, look at viewing statistics>viewing tables>viewing utilization summary; from this you can see utilisation on both ports and the global LAG figure; you can track volume of traffic on the LAG using viewing interface statistics.
 
Note that its unlikley that you will get anywhere near gigabit loads unless you have a traffic generator such as a SmartBits - what you need to see is a reasonable split of traffic load over the two links.
 
With regards to the NICs....if you have 1 connected to one switch and one to a separate switch, then they cannot be an aggregate ( an aggregate team has to terminate on the same switch )..the config you are talking about is a Switch Fault Tolerance team, and requires no configuration on the switch. In this case both links will be'up' but one will show as blocking on the switch, so will not forward any traffic.
 
If the SAN boxes have a bespoke application to allow load balancing across the 2 NICs, then again, it still isn't an aggregate, the load balancing application will control use of the 2 NICs.

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