Time Hunter

#01 solara

As part of my study for CCNA Security I have been making a list of all the commands I need to be adept with. I thought I would share this list of commands with others who may be interested.

For simplicty the list doesn’t offer explanations and in most cases there are a variety of options that could be used with each command that are not shown. It is also not suitable for copy/paste into a router or switch. However, I think it is still a useful quick reference sheet.

Attachments: CCNA-Security-Commands.txt (4.8 K)

#02 B Haines

You are running both RADIUS as well as TACACS+ servers in your example configuration. I was wondering what RAD/TACS you were running on those two servers? FreeRadius? And what Tac Plus? Just trying to determine what software you are using for your lab studies! Thanks!

By the way, thanks for sharing your config!

#03 solara

The previous example isn’t my config but rather just a list of commands to be familiar with and so I’m not actually running TACACS+ and RADIUS on the separate server addresses that I have shown.

I do my lab work using GNS3 with the C3745-ADVENTERPRISEK9_SNA-M IOS and currently I’m using the 90-day trial version of Cisco ACS 4.2 running on a Win2k3 VMWare box.

Just for interest I’ve attached a text file showing a basic config I’ve used for testing TACACS+. I have enabled debugs on aaa authentication and IP packets between the router and the ACS server and then attempted to logon to the router via SSH.

Attachments: example-TACACS+.txt (3.8 K)

Source: CCNA Blog

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So you want to get your CCNA and you need to buy a router for your CCNA home lab? Now the question is which router should you get? I have been in your shoes and know when you are just starting out, it is tough to make sense of all the different models of Cisco Routers available. The good news is there are a lot of good options available to get a good CCNA router for a fair price.

I recommend getting a Cisco 2611 Router or a Cisco 2621 Router because they have to two Copper ports instead of one and offer the most training flexibility. If the cost isn’t much different, go for the 2621 because it offers 2 10/100 Ethernet ports and has 128MB of memory versus the 2611 that has 2 10Mb ports with 64MB of memory. Don’t forget to buy 2 routers as most of the CCNA Labs require two routers. You could also get 3 routers, but from my experience, you will rarely actually need 3 routers to practice for your CCNA.

Another issue that comes into play is the IOS. If you can get a router with 12.4 already installed, you are way ahead of the game. Remember, the only legal way you can get a copy of the IOS is to buy a Cisco Smartnet contract for your router. If worse comes to worse, look for 12.3, but do your best to avoid 12.2. While it is a solid IOS for production, the new CCNA really focuses on the newer 12.4 version and some commands may be different from what you are learning.

This recommendation is for building a CCNA Home Lab. If you plan on building a CCNP Home Lab, then you should check back later for a post about which router you should buy for CCNP. The great part is even though the routers for CCNP are more expensive, if you buy them while working on your CCNA, you can use them for both certifications.

Also, if you have the money, you may be better off buying a complete CCNA Home Lab. You can usually find a complete CCNA Lab Kit including 2 or more routers and 1 or more Cisco Switches. Just keep in mind what I said about the routers.

Source: CCNA Blog

Hot Certification Exams: 70-290 70-270 sy0-101 VCP-310 642-446 350-018 350-030 642-436 642-552 640-801

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Two Paths for Pursuing CCNP Certification

The CCNP certification (Cisco Certified Network Professional) is Cisco's professional-level networking certification. In order gain the CCNP certification, candidates must first gain the CCNA certification and then go on to pass up to four CCNP exams. Cisco offers two distinct paths for candidates pursuing the CCNP, one that requires 4 exams to be passed while the other requires three). The exams required are:

Path 1 (4 exams):

• 642-901 BSCI: Building Scalable Cisco Internetworks (BSCI)
• 642-812 BCMSN: Building Cisco Multilayer Switched Networks (BCMSN)
• 642-825 ISCW: Implementing Secure Converged Wide Area Networks (ISCW)
• 642-845 ONT: Optimizing Converged Cisco Networks (ONT)

Or,

Path 2 (3 exams):

• 642-892 Composite: Building Scalable Cisco Internetworks (BSCI) and Building Cisco Multilayer Switched Networks (BCMSN) - 120 minutes duration
• 642-825 ISCW: Implementing Secure Converged Wide Area Networks (ISCW)
• 642-845 ONT: Optimizing Converged Cisco Networks (ONT)

The difference between the two paths is that in path 2, the 642-892 exam is two exams combined (642-901 and 642-812).

Candidates will undoubtedly need to put in much time and effort to prepare for the CCNP exams. But choose some helpful resources will give you more advantages.

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