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So on your log messages, you have a few options. So if I type show run pipe include

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service.

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What you'll notice is on my log messages, I have a date-time set.

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I also have that set on debuggs.

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You can enable sequence numbers as an example if you want to see sequence numbers on your log messages.

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If I press control Z here, notice I see a Syslog message number and that's now appearing in my Kiwi 

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Syslog server, do that again

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notice the message number has increased if I shut an interface down.

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OSPF is shutting down the neighbor relationships, but notice you can see the numbers incrementing on

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the router, these numbers on the left are Kiwi Syslog sequence numbers, but the 500 numbers here are

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numbers on the router, as you can see over here, 593 and 593 over there.

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Sequence numbers obviously make it a lot easier to find messages and sort them when you're receiving

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multiple messages and want to order it logically.

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So when I type End as an example, notice the sequence number

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shown in Kiwi Syslog server as well as on the router, you can type service timestamps and specify that

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for both log and debug messages you can either show it by date and time or by the system uptime.

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So at the moment, it's set to date and time

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you can see the date is May the 16th, can see the time, up

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Time allows you to specify the uptime on the router.

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So how long is the router been up for?

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and you can see this router has been up for almost one hour and 20 minutes, notice

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the format has changed.

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You probably want to do it based on date time and then you can specify how you're going to do it, so

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milliseconds allows me to specify milliseconds in the timestamp.

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I could also specify the year, at the moment

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notice there's no year specified on these messages.

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Control Z again or control Zed notice now I'm getting May the 16th, 2016, and the time on the router.

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Now, you can disable that, so you could say no service timestamps, and when I press control Z now

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or control Zed notice I don't see the date and time stamps.

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Do it again, so Control Zed notice now, I see date and time.