C:\mongo\bin>mongo --port 27017
MongoDB shell version: 2.4.0
connecting to: 127.0.0.1:27017/test
> db.isMaster()
{
        "ismaster" : true,
        "maxBsonObjectSize" : 16777216,
        "maxMessageSizeBytes" : 48000000,
        "localTime" : ISODate("2013-05-28T17:16:51.435Z"),
        "ok" : 1
}
> rs.status()
{ "ok" : 0, "errmsg" : "not running with --replSet" }



C:\mongo\bin>mongo --port 29017
MongoDB shell version: 2.4.0
connecting to: 127.0.0.1:29017/test
rs0:PRIMARY> db.isMaster()
{
        "setName" : "rs0",
        "ismaster" : true,
        "secondary" : false,
        "hosts" : [
                "tldod01:27017",
                "tldod03:27017",
                "tldod02:27017"
        ],
        "primary" : "tldod01:27017",
        "me" : "tldod01:27017",
        "maxBsonObjectSize" : 16777216,
        "maxMessageSizeBytes" : 48000000,
        "localTime" : ISODate("2013-05-28T17:17:39.486Z"),
        "ok" : 1
}
rs0:PRIMARY> rs.status()
{
        "set" : "rs0",
        "date" : ISODate("2013-05-28T17:18:12Z"),
        "myState" : 1,
        "members" : [
                {
                        "_id" : 0,
                        "name" : "tldod01:27017",
                        "health" : 1,
                        "state" : 1,
                        "stateStr" : "PRIMARY",
                        "uptime" : 590301,
                        "optime" : {
                                "t" : 1369329116,
                                "i" : 32
                        },
                        "optimeDate" : ISODate("2013-05-23T17:11:56Z"),
                        "self" : true
                },
                {
                        "_id" : 1,
                        "name" : "tldod02:27017",
                        "health" : 1,
                        "state" : 2,
                        "stateStr" : "SECONDARY",
                        "uptime" : 590291,
                        "optime" : {
                                "t" : 1369329116,
                                "i" : 32
                        },
                        "optimeDate" : ISODate("2013-05-23T17:11:56Z"),
                        "lastHeartbeat" : ISODate("2013-05-28T17:18:11Z"),
                        "lastHeartbeatRecv" : ISODate("2013-05-28T17:18:12Z"),
                        "pingMs" : 0
                },
                {
                        "_id" : 2,
                        "name" : "tldod03:27017",
                        "health" : 1,
                        "state" : 2,
                        "stateStr" : "SECONDARY",
                        "uptime" : 590234,
                        "optime" : {
                                "t" : 1369329116,
                                "i" : 32
                        },
                        "optimeDate" : ISODate("2013-05-23T17:11:56Z"),
                        "lastHeartbeat" : ISODate("2013-05-28T17:18:12Z"),
                        "lastHeartbeatRecv" : ISODate("1970-01-01T00:00:00Z"),
                        "pingMs" : 0
                }
        ],
        "ok" : 1
}