Network Troubleshooting

March 12, 2011  6:18 AM

CCNP – Switch Key Topics 1 – Spanning tree loop guard

Posted by: Yasir Irfan
BCMSN exam, BCMSN exam (642-812), BPDUs, CCNP, CCNP Switch, CCNP SWITCH 642-813, Cisco Certifications, global configuration mode, Implementing Cisco IP Switched Network, IOS command, Network Troubleshooting, non-Designated Port, point-to-point, Spanning tree loop guard, spanning tree protocol loops, spanning-tree loopguard default, STP loop-inconsistent Blocking state, STP loops, Switching, UDLD, UDLD feature

  When you are preparing for the CCNP Switch (642-813) or BCMSN exam (642-812) there are quite a few topics which are important not only from the perspective of passing  the  "Implementing Cisco IP Switched Network" exam or...

January 20, 2010  7:29 AM

Disable Cisco Discovery Protocol on unused interfaces

Posted by: Yasir Irfan
CDP, Cisco Discovery Protocol, Cisco Router tips, Cisco routers. Disable cdp, Cisco Switches, Cisco Switches tips, Cisco Tips, Network technologies & trends, Network Tips, Network Troubleshooting, no cdp enable, show cdp interfaces, show cdp neighbors

December 9, 2009  9:19 AM

How to detect a rouge DHCP server in your network?

Posted by: Yasir Irfan
address resolution protocol, Cisco 3560 Switch, Cisco IOS Switch, Cisco Tips, command prompt, computer, configure DHCP snooping, Detecting Rouge DCHP server, DHCP Server, DHCP Snooping, How to detect a rouge DHCP server in your network, Internet Address, mac address, Network Tips, Network Troubleshooting, PC, Physical Address, rouge, rouge DHCP server, Show mac-address table, shutdown, Virtual PC, Windows 2003 Server

 

Today morning I was late to arrive at my office due to some problems, when I came I saw my colleagues were trying hard to figure out the...

September 8, 2009  9:45 AM

Remote Telnet useful tips!

Posted by: Yasir Irfan
Cisco, Cisco 3560, Cisco Learning, Cisco Routers, Cisco Switch, Cisco Tips, Cisco Troubleshooting, IOS commands, Network Troubleshooting, reload, Router Troubleshooting, SSH, Switches, Telnet

 

We all work remotely with Cisco routers and Switches, we often do login to do some configuration changes in the Cisco routers and...

July 27, 2009  5:55 AM

Reset Cisco 1250 Access Point to factory default settings

Posted by: Yasir Irfan
Access Point, Access Point troubleshooting, Cisco, Cisco Access Point reset, Cisco Access Points, Cisco Aironet 1250, Cisco Aironet 1250 Access Point, Cisco Commands, Cisco Tips, default settings, factory default settings, Network Troubleshooting, Static IP, troubleshooting, web browser interface, Wireless, write erase

 

If you want to reset the

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