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In which slot shall we install the Supervisor Engine in Cisco 6500 Series...
Dear Friends the Cisco 6500 Series Catalyst Switch comes in different models like Cisco Catalyst 6503-E Switch, Cisco Catalyst 6506-E Switch, Cisco Catalyst 6509-V-E Switch, Cisco Catalyst 6509-E...
View ArticleDon’t panic whenever you see %IP-4-DUPADDR: Duplicate address error log in...
If you are running HSRP and one of your VLAN is down and the following errors are generated in your Switch don’t panic. All this happens due the Trojans in the network. MBGF-DAC-6500-BB01#sho log Nov...
View ArticleSolution for %IP-4-DUPADDR: Duplicate address error log in your Cisco 6500...
Dear Friends In my previous post I was talking about the HSRP error generated in Cisco 6513 Switches with a Duplicate IP Address. I did open a TAC case with Cisco Systems. I should first of all salute...
View ArticleWhat is Dynamic Host Configuration Protocol (DHCP) Snooping?
Dynamic Host Configuration Protocol (DHCP) Snooping is a security feature which filters untrusted DHCP messages, this security feature can protects the devices on the network from associating with an...
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How to configure DHCP Snooping in a Cisco Catalyst Switches.
So here we go, with the configuration of DHCP snooping on a Cisco Switch. This feature protects the network by allowing the Cisco Switches to accept DHCP response message only from the authorized...
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How to configure SPAN(Switched Port Analyzer ) feature in a Cisco Catalyst...
It’s quite important for Network Engineers and an essential network troubleshooting technique to utilize the ability of Cisco Catalyst Switches to mirror the traffic and send it to a sniffer for...
View ArticleHow to configure an interface to default settings in a Cisco Switch or a...
This is a cool command to erase just the configuration for a particular interface in a Cisco Switch or a Cisco Router. In the following example we will configure the interface fast Ethernet 0/9 to...
View ArticleSUP 720- 3B failing to boot
Friends we have a Cisco Catalyst 6513 Switch installed with SUP 720-3B as a supervisor engine. From past 7 years its working fine but suddenly we the SUP 720-3B supervisor Engine failed. The SUP 720-3B...
View ArticleSUP 720 -3B Supervisor Engine Crashed
In my previous post I talked about the crashed Sup 720- 3B supervisor Engine for a Cisco Catalyst 6513 Switch. Since there was no ray of hope for the SUP 720-3B Supervisor Engine and I couldn’t make...
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Cisco Power Calculator an amazing tool.
Currently we are working on the power calculation and the heat dissipation by the Data Center Switches. Rather looking at each individual catalog, I figured out Cisco Systems are offering a dynamic...
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