When you get %Error opening tftp://255.255.255.255/~

Tweet When you get below error messages, do follow steps to disable the service.       %Error opening tftp://255.255.255.255/network-confg (Socket error)     %Error opening tftp://255.255.255.255/cisconet.cfg…

Continue Reading...

Cisco IOS Feature Support by Package

Tweet Cisco IOS Feature Support by Package   LAN Base   AutoQos EnergyWise LLDP enhancements (POE+L2 COS) Enhanced PoE (20W) PoE+ (30W) Ready Flexlink+ Layer2…

Continue Reading...

Cisco 3750 Stack Configuration

Tweet Quick Cisco 3750 Stack Configuration Guide   * The priority value can be 1 to 15. The default priority value is 1 ( 1…

Continue Reading...

Cisco Catalyst 6500 Architecture

It’s good link for Cisco Catalyst 6500 Architecture Cisco Catalyst 6500 Switching Architecture Cisco Catalyst 6500 Supervisor Cards

Continue Reading...

CEF-based Layer 3 Switching on the Catalyst 6000/6500

It’s good link for CEF-based Layer 3 Switching on the Catalyst 6000/6500  

Continue Reading...

Dynamic port-security issue on Cisco Catalyst 3550 with 12.2(52)

Tweet Dynamic port-security feature issue on Cisco Catalyst 3550 with c3550-ipbasek9-mz.122-52.SE.bin. Cisco Catalyst 3550 is still widely used although that is discontinuous model. While we…

Continue Reading...
password_recovery_pix501_1.png

How to recover a lost or corrupted password on Cisco PIX 501

Tweet 1. Check this link and follow up and if not clear… and check below comment on this page   http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_password_recovery09186a008009478b.shtml   2. Need to…

Continue Reading...

How to recover Cisco IOS on catalyst switches

http://www.freeccnaworkbook.com/labs/section-2-basic-cisco-router-and-switch-management/lab-2-12-recovering-a-corrupt-cisco-ios-image-on-a-catalyst-switch/

Continue Reading...

EOL/EOS of Cisco Catalyst 6500 Series Switches

Tweet Click below link to find information about "EOL/EOS of Cisco Catalyst 6500 Series Switches" http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/prod_end-of-life_notice0900aecd8035ece4.pdf   Cisco EOL/EOS Announcement RSS Page http://www.cisco.com/web/feeds/products/end_of_life_rss.xml

Continue Reading...

EOL/EOS of Cisco Catalyst 4500 Series Switches

Click below link to find information about "EOL/EOS of Cisco Catalyst 4500 Series Switches" http://www.cisco.com/en/US/products/hw/switches/ps4324/prod_eol_notices_list.html   Cisco EOL/EOS Announcement RSS Page http://www.cisco.com/web/feeds/products/end_of_life_rss.xml    

Continue Reading...

How to configure SSH on Cisco routers and switches

Tweet Here is how to configure SSH on Cisco Routers and Switches ** Make sure you are using k9(crypto) image in order to support SSH…

Continue Reading...

Cisco best practice network design guide

Tweet Cisco’s best practice network design guide   http://www.cisco.com/en/US/netsol/ns1117/networking_solutions_sub_program_home.html

Continue Reading...