[Linux-cluster] Small Cluster, Port Trunking, To use switch or not?

Nate Carlson natecars at natecarlson.com
Thu Sep 13 20:15:52 UTC 2007

On Fri, 7 Sep 2007, Balagopal Pillai wrote:
> For 802.3ad bonding mode, the switch needs to support lacp. Static 
> trunking feature on the switch is not enough. In your case with no 
> switch support, mode 6 or adaptive load balancing is a good option. 
> Round robin is the only mode that will give you more than an interface 
> worth of throughput on a single connection. But that needs some switch 
> support. (like cisco etherchannel for example) Also there is additional 
> overhead due to out of the order packets. The other modes will give 
> better aggregate throughput.

Well, if you use crossover cables, you can do it without switch support.. 

| nate carlson | natecars at natecarlson.com | http://www.natecarlson.com |
|       depriving some poor village of its idiot since 1981            |

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