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Like many of you, I suspect, I am firmly under the thumb of my corporate security group. When they want to know what’s going on on the network I’ll put in as many taps as they want; but sometimes they want more than that, especially where NAT is involved and IPs and ports change from one side of a device to the other and…
The Simple Network Management Protocol – SNMP – was originally proposed by way of RFC–1067 back in 1988. While that doesn’t hold a candle to TCP/IP which is approaching middle age, SNMP, at the grand old age of 27, seems to be having a bit of a mid-life crisis. Reliability One problem with SNMP is that it’s based on UDP,…
MONDAY, 11:32PM RADIUS is down and now you can’t log into the core routers. That’s a shame because you’re pretty sure that you know what the problem is, and if you could log in, you could fix it. Thankfully, your devices are configured to fail back to local authentication when RADIUS is unavailable, but what’s the local…
One of the hottest technologies in networking right now is Software Defined WAN (SD WAN), and pretty much every solution touts Zero Touch Deployment (ZTD) as a key feature. ZTD for SD WAN involves connecting a new device to the LAN and WAN at a site and it will magically become part of the corporate WAN without any need to…
This will be the last in my current series of posts on Network Management, and as I look back on the topics of my previous posts it is clear to me that there is no future for Network Management. So should you make sure to say thanks to our wonderful hosts at Solarwinds while you still can? Not So Fast… Yeah, hang on a…
If you're running a network performance monitoring system, I'll bet you think you have visibility into your network. I say you don't – or at least that your vision may be a bit more blurry than you realized. Gathering Statistics There are three kinds of lies: lies, d***ed lies, and statistics. In reality there's nothing…
Would love to see more stuff like this come out from fellow thwackers. The review is here: http://www.itcentralstation.com/product_reviews/log-event-manager-review-by-byron-anderson--2 Check it out and let me know what you think. :-)
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