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April 30, 2011  6:45 AM

Resequence the access-list!



Posted by: Yasir Irfan
ACL, Cisco Access list, Cisco IOS, Cisco IOS device, Cisco Router, Cisco Switches, Cisco tip, extended ip access-list, ip access-list resequence, Network technologies & trends, Network Technologies and tips., Resequence the access-list

When it comes to modifying Access lists in Cisco IOS devices most of us remove the ACL's from the Cisco Router and then edit the entries in a note, and then paste back the modified ACL to the respective router via CLI. There is a way to reduce the overhead involved in modifying ACL by using the...

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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...

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February 7, 2011  5:29 AM

Understanding Ternary Content Addressable Memory (TCAM)



Posted by: Yasir Irfan
Access Control Entries, ACE, ACL, Cisco Catalyst 4500, Cisco Catalyst 6500, Cisco Catalyst Multilayer Switches, Cisco Catalyst Switches, Cisco Switches, Cisco Systems, Feature Manager (FD), fixed TCAM memory, hardware processing, multicast routes, Multilayer Switches, Network, Network Technologies and Trends, partition of TCAM table, QOS, SDM, Switching Database Manager, TCAM, TCAM table, Ternary Content Addressable Memory (TCAM), Understanding Ternary Content Addressable Memory (TCAM), unicast routes, VLANS

  We all know in Cisco Catalyst Multilayer Switches the matching process of the Access Control list is done at hardware level. In order to do this processing the Ternary Content Addressable Memory (TCAM) comes into picture. Basically the Ternary Content Addressable Memory (TCAM) is used by...

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