diff --git a/center.js b/center.js
index 9fee37f..62c9925 100644
--- a/center.js
+++ b/center.js
@@ -8,8 +8,8 @@ const { centerOptions } = require("./cliOptions");
 const crypto = require("crypto");
 const { MetricManager } = require("./metrics/metricManager");
 
-const logger = createBaseLogger();
 const options = commandLineArgs(centerOptions);
+const logger = createBaseLogger(options);
 
 if (options.help) {
 	const usage = commandLineUsage([
@@ -52,10 +52,10 @@ function startInterval(session, sessionLogger, rxMetrics) {
 	sendTimer.setInterval(
 		async () => {
 			if (sent >= options.messagecount) {
-				// sessionLogger.info(`Finished sending messages success:${success}, failed:${failed}, idling...`);
+				sessionLogger.info(`Finished sending messages success:${success}, failed:${failed}, idling...`);
 				sendTimer.clearInterval();
 			} else if (inFlight < options.window) {
-				// sessionLogger.info(`Sending message ${sent + 1}/${options.messagecount}`);
+				sessionLogger.info(`Sending message ${sent + 1}/${options.messagecount}`);
 				session.deliver_sm(
 					{
 						source_addr: options.source,
@@ -65,7 +65,7 @@ function startInterval(session, sessionLogger, rxMetrics) {
 					function (pdu) {
 						inFlight--;
 						if (pdu.command_status === 0) {
-							// sessionLogger.info(`Received response with id ${pdu.message_id}`);
+							sessionLogger.info(`Received response with id ${pdu.message_id}`);
 							success++;
 						} else {
 							sessionLogger.warn(`Message failed with id ${pdu.message_id}`);
@@ -98,7 +98,7 @@ const server = smpp.createServer(
 	},
 	function (session) {
 		const id = sessionid++;
-		const sessionLogger = createSessionLogger(id);
+		const sessionLogger = createSessionLogger(options, id);
 		const rxMetrics = metricManager.AddMetrics(`Session-${id}-RX`);
 		const txMetrics = metricManager.AddMetrics(`Session-${id}-TX`);
 
@@ -109,7 +109,7 @@ const server = smpp.createServer(
 				startInterval(session, sessionLogger);
 			} else {
 				sessionLogger.warn(
-					`Client tried to connect with incorrect login ('${pdu.system_id}' '${pdu.password}'`
+					`Client tried to connect with incorrect login ('${pdu.system_id}' '${pdu.password}')`
 				);
 				pdu.response({
 					command_status: smpp.ESME_RBINDFAIL,
@@ -124,6 +124,9 @@ const server = smpp.createServer(
 			if (!options.dr) {
 				// sessionLogger.info("Replying to incoming submit_sm");
 				rxMetrics.AddEvent();
+				// setTimeout(() => {
+				// 	session.send(pdu.response());
+				// }, 200);
 				session.send(pdu.response());
 				return;
 			}
@@ -133,7 +136,7 @@ const server = smpp.createServer(
 
 			let smppid = messageid++;
 			if (options.randid) {
-				smppid = crypto.randomBytes(12).toString("hex");
+				smppid = crypto.randomBytes(8).toString("hex");
 			}
 
 			response.message_id = smppid.toString(16);
@@ -187,41 +190,3 @@ server.on("error", function (err) {
 
 server.listen(options.port);
 logger.info(`SMPP Server listening on ${options.port}`);
-// 	{
-// 		url: `smpp://${options.host}:${options.port}`,
-// 		auto_enquire_link_period: 10000,
-// 		debug: options.debug,
-// 	},
-// 	function () {
-// 		logger.info(
-// 			`Connected, sending bind_transciever with systemId '${options.systemid}' and password '${options.password}'...`
-// 		);
-// 		session.bind_transceiver(
-// 			{
-// 				system_id: options.systemid,
-// 				password: options.password,
-// 			},
-// 			function (pdu) {
-// 				if (pdu.command_status === 0) {
-// 					logger.info(
-// 						`Successfully bound, sending ${options.messagecount} messages '${options.source}'->'${options.destination}' ('${options.message}')`
-// 					);
-// 					startInterval(session);
-
-// 					session.on("deliver_sm", function (pdu) {
-// 						logger.info("Got deliver_sm, replying...");
-// 						session.send(pdu.response());
-// 					});
-// 					session.on("close", function () {
-// 						logger.error(`Session closed`);
-// 						process.exit(1);
-// 					});
-// 					session.on("error", function (err) {
-// 						logger.error(`Fatal error ${err}`);
-// 						process.exit(1);
-// 					});
-// 				}
-// 			}
-// 		);
-// 	}
-// );
diff --git a/cliOptions.js b/cliOptions.js
index 79c2c96..ef54500 100644
--- a/cliOptions.js
+++ b/cliOptions.js
@@ -50,6 +50,12 @@ const clientOptions = [
 		defaultOption: "smpp debug message",
 	},
 	{ name: "debug", type: Boolean, description: "Display all traffic to and from the client; Debug mode." },
+	{ name: "logs", type: Boolean, description: "Write logs (to stdout), defaults to true." },
+	{
+		name: "bars",
+		type: Boolean,
+		description: "Display TX and RX bars. Can be used with logs (although it will make a mess)."
+	},
 ];
 
 const centerOptions = [
@@ -115,6 +121,12 @@ const centerOptions = [
 		defaultOption: "smpp debug message",
 	},
 	{ name: "debug", type: Boolean, description: "Display all traffic to and from the center; Debug mode." },
+	{ name: "logs", type: Boolean, description: "Write logs (to stdout), defaults to true." },
+	{
+		name: "bars",
+		type: Boolean,
+		description: "Display TX and RX bars. Can be used with logs (although it will make a mess)."
+	},
 ];
 
 module.exports = { clientOptions, centerOptions };
diff --git a/client.js b/client.js
index 1cac220..7722a15 100644
--- a/client.js
+++ b/client.js
@@ -128,7 +128,7 @@ for (let i = 0; i < options.sessions; i++) {
 							setTimeout(() => {
 								session.send(pdu.response());
 								txMetrics.AddEvent();
-							}, 2000);
+							}, 200);
 							// session.send(pdu.response());
 							// txMetrics.AddEvent();
 						});
diff --git a/logger.js b/logger.js
index ccb3dba..d909f6e 100644
--- a/logger.js
+++ b/logger.js
@@ -7,17 +7,69 @@ const defaultFormat = printf(({ level, message, timestamp }) => {
 const sessionFormat = printf(({ level, message, label, timestamp }) => {
 	return `${timestamp} [Session ${label}] ${level}: ${message}`;
 });
-function createBaseLogger() {
-	return createLogger({
+function createBaseLogger(options) {
+	const logger = createLogger({
 		format: combine(format.colorize({ all: true }), timestamp(), defaultFormat),
 		transports: [new transports.Console()],
 	});
+
+	const oldInfo = logger.info;
+	const oldWarn = logger.info;
+	const oldError = logger.error;
+	logger.info = function (input) {
+		if (!shouldLog(options)) {
+			return;
+		}
+		oldInfo(input);
+	};
+	logger.error = function (input) {
+		if (!shouldLog(options)) {
+			return;
+		}
+		oldError(input);
+	};
+	logger.warn = function (input) {
+		if (!shouldLog(options)) {
+			return;
+		}
+		oldWarn(input);
+	};
+
+	return logger;
 }
-function createSessionLogger(ilabel) {
-	return createLogger({
+function createSessionLogger(options, ilabel) {
+	const logger = createLogger({
 		format: combine(label({ label: ilabel }), format.colorize({ all: true }), timestamp(), sessionFormat),
 		transports: [new transports.Console()],
 	});
+
+	const oldInfo = logger.info;
+	const oldWarn = logger.info;
+	const oldError = logger.error;
+	logger.info = function (input) {
+		if (!shouldLog(options)) {
+			return;
+		}
+		oldInfo(input);
+	};
+	logger.error = function (input) {
+		if (!shouldLog(options)) {
+			return;
+		}
+		oldError(input);
+	};
+	logger.warn = function (input) {
+		if (!shouldLog(options)) {
+			return;
+		}
+		oldWarn(input);
+	};
+
+	return logger;
+}
+
+function shouldLog(options) {
+	return options.logs || !options.bars;
 }
 
 module.exports = { createBaseLogger, createSessionLogger };
diff --git a/metrics/metrics.js b/metrics/metrics.js
index 5b99b31..0de11ad 100644
--- a/metrics/metrics.js
+++ b/metrics/metrics.js
@@ -5,6 +5,7 @@ class Metric {
 		this.multibar = multibar;
 		this.bar = multibar.create(0, 0);
 		this.bar.update(0, { name: barName });
+		this.bar.total = 1000;
 		this.buffer = new CircularBuffer(bufferSize);
 		this.maxRate = 0;
 		if (refresh) {
@@ -29,10 +30,10 @@ class Metric {
 
 	UpdateBar() {
 		const eps = this.GetRate();
-		if (eps > this.maxRate) {
-			this.bar.total = eps;
-			this.maxRate = eps;
-		}
+		// if (eps > this.maxRate) {
+		// 	this.bar.total = eps;
+		// 	this.maxRate = eps;
+		// }
 		this.bar.update(eps);
 	}
 }