Network technologies and trends:

Security


June 11, 2012  5:04 AM

What is the error “BUS_HDR_ERR: EARL L2 ASIC #0: Dbus Hdr. Error occurred. Ctrl1 0x930D0EBD” in Cisco 6500 Series Switch? – part 1



Posted by: Yasir Irfan
%EARL_L2_ASIC-DFC9-4-DBUS_HDR_ERR: EARL L2 ASIC #0: Dbus Hdr. Error occurred. Ctrl1 0x930D0EBD, Application Control Engine Module, BUS_HDR_ERR: EARL L2 ASIC #0: Dbus Hdr. Error occurred. Ctrl1 0x930D0EBD, Centralized Forwarding Card, Cisco 6500 Switch troubleshooting, Cisco Catalyst 6500 E Series Switches, Cisco Catalyst 6500 Series 8-Port 10 Gigabit Ethernet Module, Cisco Switching, Cisco TAC, Policy Feature Card 3, Switching, WiSM WLAN Service Module

We have plenty of Cisco Catalyst 6500 E Series Switches, recently an error appeared in the one of Cisco Catalyst 6513 Switch. When I checked the log I found the following error. SL02-MB-1256-005#show log Log Buffer (8192...

April 17, 2012  5:38 AM

Data Center Security Policies and Procedures – part2



Posted by: Yasir Irfan
Authorized Access List, computer hardware, Data Center, Data Center access, Data Center Physical security policy, Data Center Security Policies and Practices, Electro-magnetic devices, outsourced, Radioactive materials, Routers, SANs, security solutions, Servers farms, staff access contractors access, Switches, vendors

In my previous article we came across the Data Center physical security policy and procedures and now let's see the more about the access provided to Data Centers,...


April 11, 2012  5:05 AM

Data Center Security Policies and Procedures – part1



Posted by: Yasir Irfan
computer hardware, Data Center, Data Center Physical security policy, Data Center Security Polices and Procedures, Data Center Security Policies and Practices, Electro-magnetic devices, levels of access, Radioactive materials, Routers, SANs, security solutions, Servers farms, Switches

Data Centers are heart for any organization; Data Centers are the one which houses the majority of Servers farms, Switches, routers, security solutions, SANs and much more. These days we were asked to develop the Security Polices and Procedures for our Data Centre which I am going to share in...


November 30, 2011  6:08 AM

A review for CCDA 640-864 Official Cert Guide



Posted by: Yasir Irfan
640-864, A review for CCDA 640-864 Official Cert Guide, CCDA, CCDA 640-864 Official Cert Guide, Cisco Press, General Network Design, LAN and WAN Design, Pearson Cert Practice Engine, Routing Protocols Design, Security, video design, Voice, Wireless Networks

An Excellent title not only serves to pass the CCDA 640-864 exam but also a great reference asset just simply because it covers each and every topic in great detail. As other Cisco Press titles this book too follows the same style by stating pit with the "Do I Know This Already Quiz" which give you...


July 31, 2011  1:07 PM

SUP2T demo by Tech Wise TV



Posted by: Yasir Irfan
10 Gigabit Ethernet, borderless services, Cisco Catalyst 6500 Series Switches, Cisco E-Series chassis models, Connectivity Management Processor, Fast Ethernet, fourth-generation Policy Feature Card, Gigabit Ethernet, Layer 2 over mGRE, mobility, network analysis, Network Virtualization, out-of-band management, Security, SUP2T, SUP2T demo by Tech Wise TV, Supervisor Engine, Supervisor Engine 2T, Supervisor Engine 2T is born, VPLS

In one my post I talked about the new announced SUP 2T by Cisco Systems for Cisco 6500 Series Switch. There is a great video by Tech Wise TV which briefs about the SUP 2T....


July 20, 2011  5:37 AM

Supervisor Engine 2T is born!



Posted by: Yasir Irfan
10 Gigabit Ethernet, borderless services, Cisco Catalyst 6500 Series Switches, Cisco E-Series chassis models, Connectivity Management Processor, Fast Ethernet, fourth-generation Policy Feature Card, Gigabit Ethernet, Layer 2 over mGRE, mobility, network analysis, Network Virtualization, out-of-band management, Security, SUP2T, Supervisor Engine, Supervisor Engine 2T, Supervisor Engine 2T is born, VPLS

12 July 2011 is a yet another landmark in the Switching, Cisco Systems introduced the a new Supervisor Engine for their most widely deployed Cisco Catalyst 6500 Series Switch, yeah a new


May 24, 2011  5:34 AM

Vulnerabilities reported in Cisco Unified Operations Manager and CiscoWorks Common Services



Posted by: Yasir Irfan
Adobe, Cisco News, Cisco Security, Cisco Security Intelligence Operations, Cisco Systems, Cisco Unified Operations Manager, CiscoWorks Common Services, Citrix, Cyber Risk Report, Cyber Risk report (CRR), mitigation recommendations, Network technologies & trends, Perl, Python, Red Hat, security advisories, Security Experts, spam activity, spam message authors, vulnerabilities

According Cyber Risk Report for this week lot of vulnerabilities, including Perl, Red Hat, Python and features updates from multiple vendors including Adobe, Citrix and Cisco Systems. For all those you are unaware of Cyber Risk report (CRR) is published by Cisco Security Intelligence Operations...


May 22, 2011  5:15 AM

How to configure HRSP between Nexus 7000 and Cisco Catalyst 6500 Series Switches?



Posted by: Yasir Irfan
0000.0c07.ac22, Cisco Catalyst 6500 Switch, Cisco Catalyst 6506-E Switch, Cisco Configuration, Cisco configuration tips, Data Centre, Default MAC, Forwarding threshold, Hellotime, How to configure HSRP between Nexus 7000 and Cisco 6500 Switch, HSRP, interface vlan, IP Address, Nexus 7000 Series Switch, sho hsrp group, sho standby brief, standby, subnet, Virtual IP, Virtual MAC address

Configuring HRSP in a Cisco Nexus 7000 Series Switch is often an easy task and it takes slight different approach. Recently we had some issues in our Data Centre and then I was forced to configuring the HSRP between a Cisco Nexus 7010 Switch and Cisco Catalyst 6506 E Switch. The configuration was...


April 30, 2011  5:27 AM

Ten top popular and paying Cisco Certifications-part2



Posted by: Yasir Irfan
(CCIE R&S), AAA, ACL, advanced protocol handling, ASA products, CCDA, CCDP, CCNA Security, CCNA Voice, CCNP, CCNP Security, CCNP voice, Cisco ASA Specialist, Cisco Catalyst Switches, Cisco Certified Design Associate, Cisco Certified Design Professional, Cisco Certified Internetwork Expert Routing & Switching, Cisco Certified Network Professional, Cisco IP Telephony Design Specialist, Cisco network design concepts, Cisco Network Security Engineer, Cisco Routers, Cisco Unified Communications Manager, Cisco Unified Presence applications, Cisco Unity Connection, converged network infrastructure, Data Center, Designing and Networking, failover, gatekeepers, gateways, Global Knowledge, IP multicast, IP Phones, IP telephony, IT salary survey, LAN, network management, Networking devices, popular Cisco Certifications, QOS, remote access VPN, routed, secure socket layer VPN, Security, Security in Routers, Site-to-site vpns, switched network infrastructure, Switches, TechRepublic, voice applications, WAN

In my previous post we came to know five of the top ten Cisco Certifications which are not only popular but also they yield high remuneration. In this post we will discover...


April 29, 2011  4:29 PM

Ten top popular and paying Cisco Certifications-part1



Posted by: Yasir Irfan
(CCIE R&S), CCDA, CCDP, CCNP voice, Cisco Catalyst Switches, Cisco Certifications, Cisco Certified Design Associate, Cisco Certified Design Professional, Cisco Certified Internetwork Expert Routing & Switching, Cisco IP Telephony Design Specialist, Cisco network design concepts, Cisco Routers, Cisco Unified Communications Manager, Cisco Unified Presence applications, Cisco Unity Connection, converged network infrastructure, Data Center, Designing and Networking, gatekeepers, gateways, Global Knowledge, IP multicast, IP Phones, IP telephony, IT salary survey, LAN, network management, Network technologies & trends, popular Cisco Certifications, QOS, routed, Security, switched network infrastructure, TechRepublic, Ten top popular and paying Cisco Certifications, voice applications, WAN

Recently Global Knowledge and TechRepublic partnered to create a comprehensive IT salary survey. The survey revealed few surprises especially when it comes to Cisco Certification, I thought it would be a great to compile popular Cisco Certifications and their associated pay.  No doubt CCIE...


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: