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тАО07-05-2004 02:17 AM
тАО07-05-2004 02:17 AM
Difference between Trunk/LACP/FEC
In about 10 days we'll receive a couple more of the ProCurve 5372XL (5308XL) devices. I'll will need to set them up with trunking but am wondering:
Which of the solutions mentioned in the subject is preferred between 2 5372's?
What is the more technical differences between these technologies? I know one is from Cisco blah blah blah, but in which way do they operate differently?
Thank you very much in advance...
Rasmus
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тАО07-07-2004 07:10 PM
тАО07-07-2004 07:10 PM
Re: Difference between Trunk/LACP/FEC
i think you mean trunk as portaggregation, then
trunk is manual form a trunk
LACP is the autmatic standardprotocol (802.3ad)
FEC is the cisco portaggregation protocol (cisco fastetherchannel).
if you connects 5308xl's to 5308xl's is switchmeshing a good idea.
meshing is described in the manual and easy to use. it is a loadbalancing technology in a mashing switch environment.
good luck
carsten
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тАО07-11-2004 07:31 PM
тАО07-11-2004 07:31 PM
Re: Difference between Trunk/LACP/FEC
We will not be using meshing since we will have routing enabled on all switches. Meshing is not supported with routing enabled.
So when I create the trunks between the switches, should I use the Trunk, FEC or LACP option?
I know that FEC does not balance the traffic on the trunks, but instead the connections. How does Trunk and LACP work? Do they balance all traffic, or distribute the single connections to the least heavy link?
Thanks in advance,
Rasmus
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тАО07-11-2004 11:09 PM
тАО07-11-2004 11:09 PM
Re: Difference between Trunk/LACP/FEC
Trunk, FEC and LACP use the same mechanism.
Outbound-Trafficdistribution based of the Source/Destination -mac-address -pair.
Use LACP on the 5308-Connectionpoints and disable LACP on all other.
The Management& Configuration-Guide described it in chap 9.
Carsten
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тАО07-15-2004 11:18 AM
тАО07-15-2004 11:18 AM
Re: Difference between Trunk/LACP/FEC
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тАО07-15-2004 07:29 PM
тАО07-15-2004 07:29 PM
Re: Difference between Trunk/LACP/FEC
I haven't done extensive testing in a switch to switch configuration, but in a switch to server configuration load balancing does not appear to work correctly on the Procurve line.
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тАО12-01-2004 01:32 PM
тАО12-01-2004 01:32 PM
Re: Difference between Trunk/LACP/FEC
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тАО01-15-2005 08:13 AM
тАО01-15-2005 08:13 AM
Re: Difference between Trunk/LACP/FEC
I'm trying to setup a trunk on a new Proliant DL580 with a card with 2 Gig Copper Port on a 4108Gl switch.
When i configure the trunk on both side, if i user "Trunk" method then all other Gigabit copper card (some DL380) cannot be reach (even if they are plugged on another switch), all other (Fibre card and 10/100 Card can ben reach correctly) i even tried to plug a 1000G Copper on a 10/100 Port but i can't reach it.
It is the same thing if i use FEC trunking but when i use LACP it is working fine.
is there anyone that can explain me why? My switch is updated to G_07_53 and all my drivers are up to date.
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тАО03-02-2005 03:23 AM
тАО03-02-2005 03:23 AM
Re: Difference between Trunk/LACP/FEC
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тАО07-03-2007 02:57 AM
тАО07-03-2007 02:57 AM
Re: Difference between Trunk/LACP/FEC
but after all post I don't undersatand if the trunk protocol can aggregate a channel e if the trun can balanced the network traffic.
Can explain me?
Thanks
Ciao