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Old 01-31-2013, 12:35 AM
reb00tz reb00tz is offline
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Default Double Hop Over LACP-Enabled Switches?

Hi all,

Long time lurker, first time poster...

Just wondering if anyone has experience if 802.3ad/802.1ax/LACP/LAG (or one of the gazillion names) will work if it goes through a double hop involving two switches that are LACP enabled (i.e. the trunks are set up switch-to-switch).

In (horrible) ASCII art:

Code:
Laptop 1
        \
         \
          Switch 1 === (LACP trunk) === Switch 2 === NAS (also trunked)
         /
        /
Laptop 2
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Old 03-04-2013, 03:45 PM
bendsley bendsley is offline
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LACP just aggregates the information going through the bonded ports...so any traffic going through from SWITCH 1 to SWITCH 2 will pass through to the NAS just fine...all bonded through LACP.

As long as SWITCH 1 and SWITCH 2 and NAS are all LACP, everything will work fine. If you only have SWITCH 1 and SWITCH 2 set to LACP, then obviously you will only get the bonded benefit between those two devices.

Remember though, you won't really see any benefit from your laptops as they are not LACP enabled. You are not going to be able to send a file any faster over the 1 gig link than you would over a 2 gig bonded link since you will be limited by your slowest connection.

Last edited by bendsley; 03-04-2013 at 03:47 PM.
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Old 03-14-2013, 11:47 PM
networkguy1 networkguy1 is offline
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Should not be a problem.. I have done this in Cisco lab environments many times. You can probably get the same setup on other managed siwtches.
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