Archive for the ‘Cisco’ Category

Stacking Cisco 2960-S switches

| March 23rd, 2013 | 22 Comments »
brandontek-cisco-2960S-master-LED

Back in January 2012, I went over the steps on stacking Cisco 3750 switches. You can view that article here. (Stacking Cisco 3750 switches) The steps to stack Cisco's 2960-S switches are generally the same so I won't go into too much detail, but I wanted to shed some light on it just to provide some ...

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Stacking Cisco 3750 switches

| January 15th, 2012 | 27 Comments »
csico-3750x-front

There are a lot of articles out there on the web for Cisco's 3750 switches. However, there is no promise that those blogs will continue to stay up, so I've decided to create my own blog with my own experiences with Cisco's 3750-E's and 3750-X switches with many tips along the way! I decided to break ...

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Top Ten IT Certs

| September 17th, 2011 | 3 Comments »
toptencerts

According to TechRepublic.com, SonicWALL's CSSA edges out Cisco's CCNA coming in at 5 and 6 respectively. I covered the CSSA course earlier this year that you can read here: SonicWALL CSSA I've honestly felt the last couple of years, Cisco has branched out a bit too far, this allowed other competitors into the market. With the recent downsizing ...

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When “deny any” doesn’t deny all!

| December 27th, 2010 | 9 Comments »

I recently came across this discussion and thought I'd shed some light. A user wants to deny all traffic outbound a specific interface. Let's say it is ethernetO. The best way to test this is to create an ACL and apply it to your interface outbound, and ping out from an internal device. You won't ...

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Implementing Cisco Switched Networks (SWITCH)

| July 9th, 2010 | 5 Comments »

This is a review of Implementing Cisco Switched Networks (SWITCH) Foundation Learning Guide. Written by CCIE's Richard Froom CCIE# 5102 and Erum Frahim CCIE# 7549 and Balaji Sivasubramanian. This is an excellent book on switching fundamentals. It clearly explains VLAN's, how and where to use them. How the old 80/20 rule is now 20/80. Security topics ...

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VLAN Access Lists Lab#01

| June 23rd, 2010 | 8 Comments »

You can learn all you want about ACL's until you're blue in the face, but what if the traffic never traverses an interface? How do you control traffic within a VLAN? That's where VACL's come in. VLAN access-lists can handle packets within a VLAN since there are no actual IN/OUT direction to be applied as you ...

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