CCNP: Building Cisco Multilayer Switched Networks Study by Terry Jack

By Terry Jack

Here is the ebook you must organize for Cisco's construction Cisco Multilayer Switched Networks (BCMSN) examination, 642-811. This learn advisor provides:In-depth insurance of key examination themes sensible details on designing and enforcing multilayer switched networks enormous quantities of hard evaluation questions modern examination education software program, together with a try out engine and digital flashcards Authoritative assurance of all examination issues, including:Utilizing the firm Composite version for designing networks utilizing the Switching Database supervisor inside a Catalyst change working controlled VLAN prone on a switched community Configuring and verifying 802.1Q and ISL trunks Configuring entry ports for static and multi-VLAN club expanding bandwidth for interswitch connections with quickly and Gigabit EtherChannels allowing Spanning Tree Protocol on ports and VLANs changing CatOS to local IOS on Catalyst switches imposing IP telephony in a switched community surroundings making plans, configuring, and enforcing QOS

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Additional info for CCNP: Building Cisco Multilayer Switched Networks Study Guide (642-811)

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After the network has been built, you need to allow the switches to talk to each other to allow for redundancy and to route around outages. We will cover these topics later in this section after the blocks are discussed. Switch Block The switch block is a combination of layer 2 switches and layer 3 routers. The layer 2 switches connect users in the wiring closet into the access layer and provide 10Mbps or 100Mbps dedicated connections; 2950 Catalyst switches can be used in the switch block. From here, the access layer switches connect into one or more distribution layer switches, which will be the central connection point for all switches coming from the wiring closets.

These port numbers are found in Request for Comments (RFC) 1700 and reference the upper-layer protocol, program, or application. Layer 4 information has been used to help make routing decisions for quite a while. For example, extended access lists can filter packets based on layer 4 port numbers. Another example is accounting information gathered by NetFlow switching in Cisco’s higher-end routers. The largest benefit of layer 4 switching is that the network administrator can configure a layer 4 switch to prioritize data traffic by application, which means a QoS can be defined for each user.

HSRP can be used to provide quick cutover between the cores. 10: Dual-core configuration Core Size Routing protocols are the main factor in determining the size of your core. This is because routers, or any layer 3 device, isolate the core. Routers send updates to other routers, and as the network grows, so do these updates, so it takes longer to converge or to have all the routers update. Because at least one of the routers will connect to the Internet, it's possible that there will be more updates throughout the internetwork.

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