Network technologies and trends:

Cisco Systems


November 22, 2008  7:22 AM

Why should we consider implementing DHCP Snooping?



Posted by: Yasir Irfan
Cisco, Cisco 2950, Cisco 2960, Cisco 3560, Cisco 3560-E, Cisco 3750-E, Cisco 6500, Cisco 6500 Series Catalyst Switch, Cisco 6503, Cisco Systems, Cisco Tips, DHCP, DHCP Snooping, Err-disable, Networking, Security, Switches, Switching

Dear FriendsIn my previous post I was discussing about the

November 20, 2008  7:54 AM

What is Dynamic Host Configuration Protocol (DHCP) Snooping?



Posted by: Yasir Irfan
Cisco, Cisco 2960, Cisco 3560, Cisco 3745, Cisco 6500, Cisco 6500 Series Catalyst Switch, Cisco 6503, Cisco Catalyst 6503-E Switch, Cisco Catalyst 6506-E Switch, Cisco Catalyst 6509-E Switch, Cisco Catalyst 6509-V-E Switch, Cisco Catalyst 6513 Switch, Cisco Systems, Cisco Tips, DHCP, DHCP Snooping, Network Security, Security, Switches, Switching

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 unauthorized DHCP server. When the Dynamic Host Configuration Protocol...


November 17, 2008  5:16 AM

In which slot shall we install the Supervisor Engine in Cisco 6500 Series Catalyst Switches -Series2



Posted by: Yasir Irfan
Cisco, Cisco 6500, Cisco 6500 Series Catalyst Switch, Cisco Catalyst 6506-E Switch, Cisco Systems, Cisco Tips, Network Troubleshooting, Routing and Switching, SUP720, Supervisor Engine, Switches, Switching

Dear Friends in one of my previous post


November 12, 2008  12:56 PM

Solution for %IP-4-DUPADDR: Duplicate address error log in your Cisco 6500 Switches running HSRP



Posted by: Yasir Irfan
Cisco, Cisco 6500, Cisco 6500 Series Catalyst Switch, Cisco Catalyst 6513 Switch, Cisco IOS, Cisco Learning, Cisco Support, Cisco Systems, Cisco Tips, Hot Standby Router Protocol, HSRP, Network Troubleshooting, Routing and Switching, Switches, Switching, TAC, WebEx

Dear Friends In


November 9, 2008  6:51 AM

Don’t panic whenever you see %IP-4-DUPADDR: Duplicate address error log in your Cisco 6500 Switches running HSRP



Posted by: Yasir Irfan
Cisco, Cisco 6500, Cisco 6500 Series Catalyst Switch, Cisco 6503, Cisco Catalyst 6503-E Switch, Cisco Catalyst 6506-E Switch, Cisco Catalyst 6509-E Switch, Cisco Catalyst 6509-V-E Switch, Cisco Catalyst 6513 Switch, Cisco Systems, Cisco Tips, Hot Standby Router Protocol, HSRP, Network Troubleshooting, Networking, Routing and Switching, Switches, Switching, Trojan

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.

  Bookmark and Share     0 Comments     RSS Feed     Email a friend


October 26, 2008  5:55 AM

In which slot shall we install the Supervisor Engine in Cisco 6500 Series Catalyst Switches -Series1



Posted by: Yasir Irfan
Cisco, Cisco 6500, Cisco 6500 Series Catalyst Switch, Cisco Catalyst 6503-E Switch, Cisco Catalyst 6506-E Switch, Cisco Catalyst 6509-E Switch, Cisco Catalyst 6509-V-E Switch, Cisco Catalyst 6513 Switch, Cisco Design, Cisco IOS, Cisco Systems, Cisco Tips, DataCenter, Module, Networking, Slot, Switches

Dear Friends the Cisco 6500 Series Catalyst Switch comes in different models like


October 23, 2008  9:27 PM

Cisco TelePresence Rooms for Public Use launched



Posted by: Yasir Irfan
Cisco, Cisco News, Cisco Systems, Cisco TelePresence, Tata Communications

Tata Communications, a leading provider of the new world of communications, announced the launch of its

Bookmark and Share     0 Comments     RSS Feed     Email a friend


October 23, 2008  9:16 PM

Cisco Reviles 360 Learning Program for CCIE Routing and Switching.



Posted by: Yasir Irfan
CCIE, Certifications, Cisco, Cisco 360, Cisco Certifications, Cisco News, Cisco Systems, Routing, Routing and Switching, Switching

The Cisco 360 learning program has been launched. What is it? Its Cisco authorized training for the CCIE Routing and Switching exam. The...


October 20, 2008  5:06 AM

How to configure SNMPv3 in a Cisco Catalyst Switch – Series 2



Posted by: Yasir Irfan
Cisco, Cisco 2950, Cisco 2960, Cisco 3560, Cisco 6500, Cisco IOS, Cisco Learning, Cisco Systems, Cisco Tips, SNMP, SNMPv3, Switches

In the first series we just started to know about


October 15, 2008  5:56 AM

Cisco® I-Prize innovation contest winners are….



Posted by: Yasir Irfan
Cisco News, Cisco Systems, Cisco TelePresence, Contest, I-Prize, WebEx

Cisco announced the winner of the Cisco® I-Prize innovation contest, a global competition held to identify a major business opportunity...


Forgot Password

No problem! Submit your e-mail address below. We'll send you an e-mail containing your password.

Your password has been sent to: