802.11n Ratified – At Last!!
September 17th, 2009
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The IEEE has finally ratified the 802.11n standard, see the press release here
Archive
Archive for the ‘CISCO’ Category
Tool to assist with ACL / Firewall Rules
August 11th, 2009
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This Cisco IOS “Policy Compiler” can assist people with the configuration of “complex access lists”. I haven’t tried it myself, but here’s what it claims to do: Read more…
Adding Cisco Searches to Firefox and IE
August 8th, 2009
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Add Cisco.com tool and search plugins to your Internet Explorer 7/Internet Explorer 8 and Firefox 2/Firefox 3 browser. Click the links below for the Cisco tools and searches you want to add to your browser. Read more…
Categories: CISCO
Cisco Catalyst 2960 – Powered by PoE!
July 30th, 2009
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Take a look at this video, which features the Catalyst 2960 products range. Notice the 2960PD-8TT-L, which is a little gem; I can imagine many circumstances when this could be used. The switch receives it’s power via PoE.
Q. What is the Cisco Catalyst 2960PD-8TT-L compact switch?
A. The Cisco® Catalyst® 2960PD-8TT-L switch has eight 10/100 Mbps ports and receives power over the Gig uplink port from an upstream power over Ethernet (PoE) switch.
The Cisco Catalyst 2960 powered device (PD) switch is ideal for deployments outside the wiring closet such as conference rooms and classrooms with spacing and wiring constraints.
Here is some more information and a 2960 product video: Read more…
Categories: CISCO
Cisco Unified Expert Advisor
July 30th, 2009
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Cisco Unified Expert Advisor is a very good alternative to traditional call-handling and would be especially good for call centres, avoiding the frustration of CTI (press 1 for this, 2 for that, etc.) and also having to take pot-luck, hoping that you’ll eventually speak to somebody who has relevant expertise. Read more…
Configuring 802.1x on Cisco CatOS
July 25th, 2009
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Here is an example of how to configure 802.1x on a Cisco 6500-series running CatOS: (if you wish to configure dot1x on IOS, read this post)
Network Diagram – Typical Medium Enterprise
July 21st, 2009
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Shows examples of router redundancy / failover capabilitiesat Layer 3 and also Layer 2 spanning-tree root bridge configuration to enable pseudo-load balancing by using PVST.
(click to load image):
Hacking Cisco NAC (BlackHat Video)
July 19th, 2009
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Cisco NAC (Network Admission Control) enable security policy enforcement on end-devices attaching to the network. This video produced by net-security.org reveals a critical vulnerability:
Cisco Boot Sequence
July 10th, 2009
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Booting up the Router
Cisco routers can boot Cisco IOS software from these locations:
1. Flash memory
2. TFTP server
3. ROM (not full Cisco IOS)
There are some options which provide flexibility and fallback alternatives: Read more…
Categories: CISCO
Cisco Routers in Space!
July 9th, 2009
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Cisco announced more details on its plans to bring IP routers to the world of satellites (or shall we say ‘solar system of satellites’?).
At its Cisco Live user conference last week, the company said that it was about to launch a trial run of its Internet Routers In Space (IRIS) program with the US defense department. READ MORE AND VIEW VIDEO:
