Changes between Version 14 and Version 15 of Installation/Nodes


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Timestamp:
Jul 23, 2011 8:33:32 PM (13 years ago)
Author:
jhickey
Comment:

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  • Installation/Nodes

    v14 v15  
    9090=== Setting up Switch Stacks ===
    9191
    92 The idea of switch stacks comes from sites that run separate control and experimental networks.  In this scenario, it does not make sense to create experimental vlans on switches that function only as control network switches and vice versa.  The typical DETER deployment scenario will be a switch that handles both.  In this case, we add the same switch to the two different stacks ('Experiment' and 'Control').  We also make sure that is_primary is set to 1 for the Experimental stack line and 0 for the Control stack line (I assume so that we only try creating vlans once per switch).
     92The idea of switch stacks comes from sites that run separate control and experimental networks.  In this scenario, it does not make sense to create experimental vlans on switches that function only as control network switches and vice versa.  The typical DETER deployment scenario will be a switch that handles both.  In this case, we add the same switch to the two different stacks ('Experiment' and 'Control' which we also have to setup in switch_stack_types).  We also make sure that is_primary is set to 1 for the Experimental stack line and 0 for the Control stack line (I assume so that we only try creating vlans once per switch).
     93
     94First, create our switch_stack_types.  For our mini-isi setup, we have the two types:
     95
     96{{{
     97insert into switch_stack_types (stack_id, stack_type, snmp_community, leader) values ('Control', 'generic', 'private', 'hp1');
     98insert into switch_stack_types (stack_id, stack_type, snmp_community, leader) values ('Experiment', 'generic', 'private', 'hp1');
     99}}}
    93100
    94101So in our mini-isi example, we need to add in two entries for our switch hp1: