On 11/11/2010 12:10 AM, Tom Eastep wrote:
I've been reading this for a while and have hard time to understand what "stupid if I may" managers and IT stuff say to each other in order to make sure that a project will fail. Since I've been in the corporate world for a few decades I must say that no manager will take the blame and all I can see is 2 victims.On 11/10/10 10:56 AM, Ruth Ivimey-Cook wrote:<Excellent description of bonding> Thanks, Ruth. You have confirmed my understanding of bonding, it's features and its limitations. -Tom
a ) the Project b) the Technician,The sort managers answer will be "I am no Technician" no matter how stubborn or stupid he acted with this.
Back to the technical stuff. The right way to do "bonding" Ingredients: a) On each linux server attach a number of nics desired,b) for each nic in that participates in bonding make sure that you have a free port on an appropriate switch ( depending ) on the configuration.
Decide what kind of bonding is required according to this simple "howto" after making sure your switch will support it.
http://www.enterprisenetworkingplanet.com/nethub/article.php/3697756 ( Sorry no windows info here ) After all of these are set and done, Back to shorewall ( if required since I am not so sure ) 2 solutions here Either shorewall will be configured a) with Vlans "no problem here" ( and the switch will take care of that )For instance ( vlan10 = dmz zone , vlan20 = local lan zone , vlan30 = ISP1 router , vlan40 = isp2 router )
b) or with the interface bond0 or what ever it might be "No problem here also".
c) or with a mix of both. End of story -------------------------------------------------------------------------------------------------------- No dual networks no dual ips no ridiculous configs.In all my configs that I had to use bonding I prefered the official "802.3ad" or 4 mode and vlans.
Hope this helps ... Still you have to do a lot of Reading and research ... Regards Harry. HINTS a) Switches with the "802.3ad" tend to be more expensiveb) Not all switches that claim to support "802.3ad" do so, I once came across a 3com switch that claimed this only to find out latter somewhere hidden that it does as long as the other part across is a 3com brother switch !!!! So once you decide to go this way buy an upper market value switch ( :-P after persuading your Manager lol )
Bonding modes "balance-tlb or 5" and "balance-alb or 6" claim that no special config on the switch is required and look sexy *but* never tried them in a production env if you use this make sure you give ping some time before the switches overcome their initial embarrassment :-)
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