Archive for the ‘Cisco Design’ Category

CCIE & CCDE Statistics

CURRENT TRACKS: Total of Routing and Switching CCIEs: 6561 (36.81 % of Cisco's official statistic) Total of Security CCIEs: 834 (35.82 % of Cisco's official statistic) Total of Service Provider CCIEs: 448 (28.21 % of Cisco's official statistic) Total of Storage Networking CCIEs: 63 (42.57 % of Cisco's official statistic) Total of Voice CCIEs: 489 ... Full story
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CCDE Hall of Fame

Total on the list = 15 (includes active, inactive, and suspended). All statistics are based upon actual verification with the Cisco CCIE/CCDE Verification Tool. 20070001 - RUSS WHITE 20070002 - JOHN CAVANAUGH 20070003 - BRUCE PINSKY 20070004 - KHALID RAZA 20070005 - WILLIAM PARKHURST 20070006 - ALVARO RETANA 20070007 - MOSADDAQ TURABI ... Full story
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multiple LLQ Low Latency Queues / bandwith (remaining) percent

LLQ means priority a queue, to forward voice and video traffic before all other traffic. If you have multiple LLQ queues, the difference between the single and multiple queue configuration is, that if you have at least two priority queues, both get policed. So if configured in a single police-map command, you will always policed the traffic at a maximum rate. Even if more bandwidth will ... Full story

QoS and what to manage with what

There are many different kind of QoS techniques around at Cisco. All of them are like a tollbox for managing traffic. Each technique has it’s preferred operational area. So here are some scenarios in which you would use a certain technique. Classification You want to provide a prefered service to a type of traffic. The packet may be marked or not. Classification don only on one ... Full story
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ACE design / implementation / GNU

Most difficult thing is to implement the device into the customer network. This needs a lot of planning and discussions about the design and how it should be implemented. The logic is, that you will mostly try to implement the ACE in between. From one VLAN into the other. The ACE will provide for VIP and VLAN interfaces to be the gateway for traffic back to ... Full story
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