{
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            "ports": [ { "port": 10, "speed": 100000, "type": "FIBER" },
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        {
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            "mfr": "Linc", "hw": "OE", "sw": "?", "serial": "?", "name": "SJC-W10",
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            { "port": 20, "speed": 0, "type": "FIBER" } ]
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            "ports": [ { "port": 20, "speed": 0, "type": "FIBER" },
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            "mfr": "Linc", "hw": "OE", "sw": "?", "serial": "?", "name": "DFW-M10",
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            { "port": 20, "speed": 0, "type": "FIBER" },
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             { "port": 40, "speed": 0, "type": "FIBER" },
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            "mfr": "Linc", "hw": "OE", "sw": "?", "serial": "?", "name": "CHG-N10",
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            "mfr": "Linc", "hw": "OE", "sw": "?", "serial": "?", "name": "IAD-M10",
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            "mfr": "Linc", "hw": "OE", "sw": "?", "serial": "?", "name": "ATL-S10",
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            "ports": [ { "port": 10, "speed": 0, "type": "FIBER" },
            { "port": 20, "speed": 0, "type": "FIBER" },
            { "port": 50, "speed": 0, "type": "FIBER" }]
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        {
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            "mfr": "Linc", "hw": "PK", "sw": "?", "serial": "?", "name": "SFO-R10",
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            "ports": [ { "port": 1, "speed": 10000, "type": "COPPER" }, { "port": 2, "speed": 100000, "type": "FIBER" } ]
        },
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            "mfr": "Linc", "hw": "PK", "sw": "?", "serial": "?", "name": "LAX-R10",
            "annotations": { "latitude": 33.9, "longitude": 118.4 },
            "ports": [ { "port": 1, "speed": 10000, "type": "COPPER" }, { "port": 2, "speed": 100000, "type": "FIBER" } ]
        },
        {
            "uri": "of:0000ffffffff0003", "mac": "ffffffffff0004", "type": "SWITCH",
            "mfr": "Linc", "hw": "PK", "sw": "?", "serial": "?", "name": "SDG-R10",
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            "mfr": "Linc", "hw": "PK", "sw": "?", "serial": "?", "name": "CHG-R10",
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            "ports": [ { "port": 1, "speed": 10000, "type": "COPPER" }, { "port": 2, "speed": 100000, "type": "FIBER" } ]
        },
        {
            "uri": "of:0000ffffffff0005", "mac": "ffffffffff0009", "type": "SWITCH",
            "mfr": "Linc", "hw": "PK", "sw": "?", "serial": "?", "name": "JFK-R10",
            "annotations": { "latitude": 40.8, "longitude": 73.1 },
            "ports": [ { "port": 1, "speed": 10000, "type": "COPPER" }, { "port": 2, "speed": 100000, "type": "FIBER" } ]
        },
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            "uri": "of:0000ffffffff0006", "mac": "ffffffffff000A", "type": "SWITCH",
            "mfr": "Linc", "hw": "PK", "sw": "?", "serial": "?", "name": "ATL-R10",
            "annotations": { "latitude": 33.8, "longitude": 84.1 },
            "ports": [ { "port": 1, "speed": 10000, "type": "COPPER" }, { "port": 2, "speed": 100000, "type": "FIBER" } ]
        }

    ],

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        { "src": "of:0000ffffffffff02/50", "dst": "of:0000ffffffffff03/30","type": "OPTICAL", "annotations": { "optical.waves": 80, "optical.type": "WDM", "optical.kms": 1000, "durable": "true" } },
        { "src": "of:0000ffffffffff03/50", "dst": "of:0000ffffffffff04/50","type": "OPTICAL", "annotations": { "optical.waves": 80, "optical.type": "WDM", "optical.kms": 1000, "durable": "true" } },
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        { "src": "of:0000ffffffffff03/20", "dst": "of:0000ffffffffff06/50","type": "OPTICAL", "annotations": { "optical.waves": 80, "optical.type": "WDM", "optical.kms": 1000, "durable": "true" } },
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        { "src": "of:0000ffffffff0006/2", "dst": "of:0000ffffffffff0A/10",  "type": "OPTICAL", "annotations": { "bandwidth": 100000, "optical.type": "cross-connect", "durable": "true" } }
    ]
}