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+1. I've also seen Solarwinds, Zabbix, and a few others. Cacti/Nagios are the only things out there that work well, don't require client software for reporting, and don't cost money.

ISA is terrible. If you are a 100% microsoft shop it MIGHT make sense, but it's expensive and overly complicated. Bluecoat is good one but also expensive. The ones Golden rabbit mentioned are...

Yes, you don't want different IP schemes on the same VLAN or different VLANs on the same on the same IP scheme.

If you are using different VLANs and IP schemes they will need to be routed to...

You will need to install the SNMP service. Then you will setup a security tab to accept SNMP packets for your cacti box. You will also need the community name in there which by default is "public"...

Good call.

I generally try to use TKIP. I don't know why though :) I think it's newer than AES but who knows. I'm not very well versed with encryption.

CakePHP is one of the more popular ones along with Yii. I've used CakePHP but heard great things about Yii as well. It makes things much easier than hunting around the net for PHP scripts and...

I used one of these when I was configuring a network in a building still under construction. There was no active WAN connection, so I was forced to use a cellular signal:
...

MPLS may be a better option if you go with a nation carrier. Say Sprint or AT&T. If you have locations that are very far apart like east and west coast your connections should be better. This is...

I have never done it personally, but my Juniper rep said that is pretty much the process. Personally, I'd rather use the hardware as a firewall than a router. Even the SSG550 doesn't have that much...

They are designed to run on a single compressor should one die. I'm guessing the units were working too hard and could not keep up when running on a single compressor. I have seen those Liebert...

You want the interface to be set as route. If you ever need something NATed do it on a per policy basis. It's in the advanced section. If you ever need to troubleshoot traffic on a specific policy...

I've used both JunOS and XOS. The thing I like best about JunOS is the ability to make changes to the configuration (major changes in some cases) and apply it later. I can configure new interfaces...

I did. There is some stupid stuff on there you will never use in the real world like every other cert. The best way is to get some practice tests and maybe a book. I found some practice tests...

I've used R1soft before and it's great. Does a fantastic job with SQL databases and backups in general. A little on the expensive side, but worth the money if you really need the organziation and...

You should be able to register any SSG or netscreen and get access to the SSG140 firmware. If you don't have any other devices to register PM me.

I almost bought some a few years ago. For the price they aren't bad systems. I think most of them have a pretty shallow mounting depth which is a plus in some data centers that have older cabinets.

RADIUS is used for authentication. Mainly because you would want to use your Active Directory username/password for everything. RAIDUS is used to match against things like router, wireless...

I know theplanet.com only hires CCNAs. Or least that is what their press release said before they were bought out by softlayer. If you have data center expierence and know how to drill goes using...

This will require some knowledge of your AD struction but this is what I use:


Admin-DN:

CN=wifiauth,OU=IT Accounts,OU=Services,DC=otw,DC=local

wifiauth is an actual user account with...

That's an old school amateur technique that isn't really feasible anymore. PM me and I will see what I can do about your hosting problem.

satellite connections are not widely used mostly because of the poor performance assoicated with them. They suffer from very high latency due it's delivery method (from space!). The only popular...

A lot of data centers will have a guest wifi for thier customers to use. There aren't many people running wifi in their data center because it just isn't useful there. Deploying wifi also increases...

The cisco guard is an add-on feature to Cisco routers that will do some network mitigation. It isn't meant to stop DDoS attacks and in fact doesn't even work well for that. What is good at, is...

I have. Most extended outages are due to power. I did have a box at a data center in Florida that was down for over 12 hours. It ended up being an OSPF mis-configuration or something. Poor...