Latest posts
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Why we need Nexus 2K ( FEX) ?
To understand the need to Nexus 2000, we must know the Datacenter architecture designs. There are two types of design architecture:- 1. TOP (Top of Rack) :- 2. EOR (End of Row ): Each above method has its own pros n corns. Please go through the below blog to find more details about the methods.…
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Default Vs. Admin VDC in Nexus 7000
Both are used for the management of the complete switch and are used to assign interfaces to other non-default VDCs. Also global parameters like COPP etc. are only configured in default/admin VDC. So what is the difference? Below is the difference between default and admin VDC. Default VDC:- In nexus, default VDC ( VDC-1) performs…
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Configuring Mobility on Cisco 5508 WLC

Before configuring the mobility between the two controllers, please make sure that both the WLC’s are able to ping each other. Step 1. Click on the Controller Tab from the main menu and from the left hand side menu click on Mobility Group. Step 2. Click on New at the right hand side of the…
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Difference between HSRP version 1 and version 2
HSRP version 1:- · Maximum number of group supported –256 ( 0 -255 ) · Mac used – 0000.0c07.ac00 to 0000.0c07.acff (which can conflict with CGMP leave processing) · Hello packet multicast address is 224.0.0.2 · Default version ( in both catalyst and Nexus switches ) · Only Text authentication…
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VISUAL-RF SITE SURVEY TOOL TRAINING DOCUMENT

Step-By-Step Process The step-by-step process will guide you to create a RF plan, AP placement and to get the final report or bill of material. The following screen is the First and the standard screen you will see after installing the Visual RF tool and launching it. Set the geographical location of the campus. For…
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VISUAL-RF SITE SURVEY TOOL TRAINING DOCUMENT

Step-By-Step Process The step-by-step process will guide you to create a RF plan, AP placement and to get the final report or bill of material. The following screen is the First and the standard screen you will see after installing the Visual RF tool and launching it. Set the geographical location of the campus. For…
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VDC user Roles
Network-admin: – It only exists in default vdc. User with network-admin access can configure all the chassis level configuration like reload, creation/deletion of VDC, allocation of interface to non-default VDC etc. Network-admin user use switchto vdc vdc_name command to access other non-default VDC from default vdc. Network-admin has the vdc-admin role in non-default VDC. We can configure…
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Top of Rack Vs. End of Row – Data-center Architecture

What is TOP OF RACK (TOR)? In TOR, there is one or two access switch installed on the top of each server rack which provides servers network connectivity and then that access switch has the connections towards the aggregation switch which is located in the Network Rack. Hence there are only few cables going from…
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DHCP option 43 for Cisco WLC
Setting up Switch to work as a DHCP server for AP with option # 43 Scenario – WLC is connected in a network on Mgmt.(inline) interface – say – Vlan 100 and APs are connected at the access layer on Vlan 200. You want the APs to boot up and get an IP address from…
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Migration from FAB- 1 to FAB-2 in 7000 Nexus switch
Before thinking to migrate the Fabric module please check the data sheets for both fabric modules in order to compare their features and limitations. Please use the below link to check the difference between FAB-1 and FAB-2. http://netterrene.blogspot.in/2014/08/fabric-module-in-cisco-nexus-7k-switches.html Fabric cards can be replaced one by one without any disruption. Both cards can work well together…