Building Scalable Cisco Internetworks

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1. Refer to the exhibit. Which statement is true?
Select the best response.

A. Router RAR1 will accept only route 10.10.0.0/19 from its BGP neighbor.
B. Router RAR1 will send only route 10.10.0.0/19 to its BGP neighbor.
C. Only traffic with a destination from 10.10.0.0/19 will be permitted.
D. Only traffic going to 10.10.0.0/19 will be permitted.

Answer: A

2. If no metric is specified for the routes being redistributed into IS-IS, what metric value is assigned to the routes?
Select the best response.

A. 0
B. 1
C. 10
D. 20

Answer: A

3. Refer to the exhibit. Which three statements accurately describe the result of applying the exhibited route map? (Choose three.)
Select 3 response(s).

A. The map prohibits the redistribution of all type 2 external OSPF routes with tag 6 set.
B. The map prohibits the redistribution of all type 2 external OSPF routes.
C. The map redistributes into EIGRP all routes that match the pfx prefix list and the five metric values40000, 1000, 255, 1, and 1500.
D. The map prohibits the redistribution of all external OSPF routes with tag 6 set.
E. All routes that do no match clauses 10 and 20 of the route map are redistributed with their tags set to 8.
F. The map permits the redistribution of all type 1 external OSPF routes.

Answer: AEF

4. Refer to the exhibit. EIGRP has been configured on all routers in the network. What additional configuration statement should be included on router R4 to advertise a default route to its neighbors?

Select the best response.

A. R4(config)# ip default-network 10.0.0.0
B. R4(config)# ip route 0.0.0.0 0.0.0.0 10.1.1.1
C. R4(config)# ip route 10.0.0.0 255.0.0.0 10.1.1.1
D. R4(config-router)# default-information originate

Answer: A

5. Into which two types of areas would an area border router (ABR) inject a default route? (Choose two.)
Select 2 response(s).

A. the autonomous system of a different interior gateway protocol (IGP)
B. area 0
C. totally stubby
D. NSSA
E. stub
F. the autonomous system of an exterior gateway protocol (EGP)

Answer: CE

6. Which three restrictions apply to OSPF stub areas? (Choose three.)
Select 3 response(s).

A. No virtual links are allowed.
B. The area cannot be a backbone area.
C. Redistribution is not allowed unless the packet is changed to a type 7 packet.
D. The area has no more than 10 routers.
E. No autonomous system border routers are allowed.
F. Interarea routes are suppressed.

Answer: ABE

7. What are the two reasons for the appearance of 0.0.0.0 as the next hop for a network in the show ip bgp command output? (Choose two.)
Select 2 response(s).

A. The network was originated via redistribution of an interior gateway protocol into BGP.
B. The network was defined by a static route.
C. The network was originated via a network or aggregate command.
D. The network was learned via EBGP.
E. The network was learned via IBGP.

Answer: AC

8. Refer to the exhibit. Which two statements are true about the partial configuration that is provided. (Choose two.)

Select 2 response(s).

A. All the configured neighbors are in autonomous system 100.
B. The peer group shortens the IBGP configuration.
C. The peer group shortens the EBGP configuration.
D. Only the outgoing filters are applied to BGP updates.
E. Three AS-path filters are applied to each BGP neighbor.

Answer: AB

9. Refer to the exhibit. Which two statements are correct? (Choose two.)
Select 2 response(s).

A. All six routes will be installed in the routing table.
B. Two routes will be installed in the routing table.
C. Four routes will be installed in the routing table.
D. All the routes were redistributed into BGP from an IGP.
E. All the routes were originated by BGP with the network command.

Answer: CD

10. Which three IP multicast related statements are true? (Choose three.)
Select 3 response(s).

A. Multicast addresses 224.0.1.0 through 238.255.255.255 are called globally scoped addresses. They are used to multicast data between organizations and across the Internet.
B. The multicast address 224.0.0.1 is a globally scoped address that has been reserved for the Network Time Protocol (NTP) by the IANA.
C. Multicast addresses 239.0.0.0 through 239.255.255.255 are called limited scope addresses. They are constrained to a local group or organization.
D. Multicast addresses 224.0.0.5 and 224.0.0.6 are limited scoped addresses that have been reserved for OSPF.
E. Multicast addresses 224.0.0.0 through 224.0.0.255 are used for network protocols on local LAN segments. Because they are always transmitted with a Time to Live (TTL) of 1, they are never forwarded by a router.

Answer: ACE

11. What are two rules for compacting IPv6 addresses? (Choose two.)
Select 2 response(s).

A. The maximum number of times a double colon can replace a 16-bit segment that consists of all zeroes is two.
B. The leading zeroes in any 16-bit segment do not have to be written.
C. Every 16-bit segment that consists of all zeroes can be represented with a single colon.
D. The trailing zeroes in any 16-bit segment do not have to be written.
E. Any single, continuous string of one or more 16-bit segments that consists of all zeroes can be represented with a double colon.
F. Two zeroes in the middle of any 16-bit segment do not have to be written.

Answer: BE

12. What is the difference between the IPv6 addresses ::/0 and ::/128?
Select the best response.

A. ::/0 is the unspecified address, and ::/128 is the multicast address.
B. ::/0 is the unicast address, and ::/128 is the anycast address.
C. ::/0 is the unicast address, and ::/128 is the multicast address.
D. ::/0 is the anycast address, and ::/128 is the multicast address.
E. ::/0 is the default route, and ::/128 is the unspecified address.
F. ::/0 is the anycast address, and ::/128 is the default address.

Answer: E

13. Which three IP multicast group concepts are true? (Choose three.)
Select 3 response(s).

A. If a packet is sent to a multicast group address, all members of the multicast group will receive it.
B. If a packet is sent to a multicast group address, the multicast frame contains the source multicast address.
C. A router does not have to be a member of a multicast group to receive multicast data.
D. A router does not have to be a member of a multicast group to send to the group.
E. A router must be a member of a multicast group to receive multicast data.
F. A router must be a member of a multicast group to send to the group.

Answer: ADE

14. Refer to the output. What IOS command produces this output?
Select the best response.

A. show ip ospf
B. show ip ospf interface
C. show ipv6 ospf interface
D. show ipv6 ospf

Answer: D

15. Refer to the exhibit. Router R1 is being used as a relay device for autoconfiguration of switch S1. Which configuration will accomplish this?
Select the best response.

A. S1(config)# interface fastethernet 0/1
S1(config-if)# ip helper-address 10.0.0.2

B. S1(config)# interface fastethernet 0/1
S1(config-if)# ip helper-address 20.0.0.1

C. R1(config)# interface fastethernet 0/0
R1(config-if)# ip helper-address 20.0.0.2
R1(config-if)# ip helper-address 20.0.0.3
R1(config-if)# ip helper-address 20.0.0.4
R1(config-if)# exit
R1(config)# interface fastethernet 0/1
R1(config-if)# ip helper-address 10.0.0.1

D. R1(config)# interface fastethernet 0/0
R1(config-if)# ip helper-address 20.0.0.1
R2(config)# interface fastethernet 0/0
R2(config-if)# ip helper-address 20.0.0.1
R3(config)# interface fastethernet 0/0
R3(config-if)# ip helper-address 20.0.0.1
R4(config)# interface fastethernet 0/0
R4(config-if)# ip helper-address 20.0.0.1

E. S1(config)# interface fastethernet 0/1
S1(config-if)# ip helper-address 10.0.0.2
R2(config)# interface fastethernet 0/0
R2(config-if)# ip helper-address 20.0.0.1

R3(config)# interface fastethernet 0/0
R3(config-if)# ip helper-address 20.0.0.1
R4(config)# interface fastethernet 0/0
R4(config-if)# ip helper-address 20.0.0.1

Answer: C

16. Refer to the exhibit. Router RTA is the hub router for routers RTB and RTC. The Frame Relay network is configured with EIGRP, and the entire network is in autonomous system 1. However, router RTB and RTC are not receiving each other’s routes. What is the solution?
Select the best response.

A. Configure the auto summary command under router eigrp 1 on router RTA.
B. Issue the no ip split horizon command on router RTA.
C. Configure subinterfaces on the spoke routers and assign different IP address subnets for each subinterface.
D. Check and change the access lists on router RTA.
E. Issue the no ip split horizon eigrp 1 command on router RTA.
F. Configure a distribute list on router RTA that allows it to advertise all routes to the spoke routers.

Answer: E

17. Refer to the exhibit. This network is running IS-IS. Router RTC is inside Cloud#1. From the output on RTD, which two statements are true? (Choose two.)
Select 2 response(s).

A. The SNPA for RTE is the source data link address that is used to transmit frames to RTD.
B. IP routing updates between RTC and RTD will be IP datagrams that are encapsulated by HDLC.
C. IP routing updates between RTC and RTD will be IP datagrams that are encapsulated by CLNS.
D. IP routing updates between RTC and RTD will be CLNS datagrams that are encapsulated by HDLC.
E. Because it is running IS-IS in IP-only mode, RTD will not transmit CLNS packets.
F. The NET for RTE will be 49.0150.0019.06b7.fd5f.00.

Answer: AD

18. A router has two paths to reach another network in a different autonomous system. Neither route was generated by the local router and both routes have the same default weight and local preference values. Which statement is true about how BGP would select the best path?
Select the best response.

A. If the command bgp always-compare-med has been given, then the router will prefer the route with the highest MED.
B. The router will prefer the route with the lower MED.
C. The router will prefer the shortest autonomous system path.
D. To influence one route to be preferred, its default local preference value will be changed via the use of the command bgp default local-preference 50.

Answer: C

19. Refer to the exhibit. On the basis of the information in the exhibit, which two statements are true? (Choose two.)

Select 2 response(s).

A. The output was generated by entering the show ip bgp command on the ISP router.
B. The output was generated by entering the show ip bgp command on the SanJose1 router.
C. The serial 0/0/1 interface on the ISP router has been configured with the set metric 50 command.
D. The serial 0/0/1 interface on the ISP router has been configured with the set metric 75 command.
E. When traffic is sent from the ISP to autonomous system 64512, the traffic will be forwarded to SanJose1 because of the lower MED value of SanJose1.
F. When traffic is sent from the ISP to autonomous system 64512, the traffic will be forwarded to SanJose2 because of the higher MED value of SanJose2.

Answer: AE

20. Refer to the exhibit. What two statements are true about the IS-IS configuration? (Choose two.)

Select 2 response(s).

A. The router is in area 49.0001.0002.
B. The router has a system ID of 0003.0004.
C. The router acts as a Level 1-2 router.
D. The network service access point selector (NSEL) byte has a value of 0.
E. CLNS routing is enabled for the router.

Answer: CD

21. Refer to the exhibit. On the basis of the output, what two conclusions can be reached? (Choose two.)
Select 2 response(s).

A. Three physical interfaces are taking part in integrated IS-IS.
B. Address summarization is configured.
C. There are two neighboring routers sending IS-IS routing information.
D. The default administrative distance has been changed.
E. IS-IS is not redistributing any other routing protocols.
F. IS-IS is not enabled.

Answer: CE

22. Which three options are supported as address allocation mechanisms for DHCP on Cisco routers? (Choose three.)
Select 3 response(s).

A. The IP address can be automatically assigned to a host.
B. The IP address can be assigned as a random hash value of the burned-in-address of the lowest-numbered LAN interface on the router.
C. The network administrator can assign a specific IP address to a specific host MAC address.
D. The IP address can be assigned from configured pools in a reverse lexicographical order.
E. The IP address can be assigned to a host for a limited time or until the host explicitly releases the address.
F. The IP address can be assigned to a host until the host usurps the assigned value using its own dynamic override mechanism.

Answer: ACE

23. Refer to the exhibit. On the basis of the configuration that is provided, how would the BGP updates that come from router R1 be replicated inside autonomous system 65200?

Select the best response.

A. All BGP updates that are received on router R2 will be sent to routers R3 and R4. Routers R3 and R4 will then forward those BGP updates to router R5.
B. All BGP updates that are received on router R2 will not be sent to routers R3 and R4.
C. All BGP updates that are received on router R2 will be sent directly to router R5.
D. None of the BGP updates that are received on router R2 will ever be received by router R5.

Answer: D

24. How is authentication handled with OSPFv3?
Select the best response.

A. OSPFv3 for IPv6 authentication is supported by SHA-1 authentication.
B. OSPFv3 for IPv6 authentication is supported by MD5 authentication.
C. OSPFv3 for IPv6 authentication is supported by IPv6 IPsec.
D. OSPFv3 for IPv6 authentication is supported by IPv4 IPsec.

Answer: C

25. Refer to the exhibit. Which statement is true about the configuration?

Select the best response.

A. Hosts will receive IP settings from pool 1 until the addresses run out, and then hosts will receive the settings from pool 2.
B. Hosts belonging to DHCP pool 1 and pool 2 will retain their IP settings for 30 hours before they must renew.
C. Hosts in the 10.10.20.0/24 subnet will use 10.10.20.50 as its DNS server.
D. DHCP pool 0 needs to have the ip dhcp excluded-address command to exclude the default router and DNS servers.

Answer: C

26. Refer to the exhibit. Router RT-1 chooses one path to network 198.133.219.0/24. Indicate the reason Router RT-1 chooses this “best” path.

Select the best response.

A. In making its decision about the best path, RT-1 gives precedence to the origin code.
B. In making its decision about the best path, RT-1 gives precedence to the BGP MED values.
C. IP address 128.107.2.2 is lower than 128.107.255.2.
D. In making its decision about the best path, RT-1 prefers the IGP metrics.
E. RT-1 prefers internal BGP routes.
F. IP address 128.107.254.2 is lower than 128.107.255.2.

Answer: A

27. Refer to the exhibit. Router RT-1 and router RT-2 both advertise network 131.25.0.0/16 to router RT-3 via internal BGP. What is the reason that router RT-3 chose router RT-1 as its best path to network 131.25.0.0/16.
Select the best response.

A. It advertises the best AS-path.
B. It advertises the best origin code.
C. It advertises the best MED.
D. It advertises the best local preference.
E. It has a better router ID.
F. It advertises a lower autonomous system.

Answer: E

28. Refer to the exhibit. Which statement is true about the router configuration that is shown?
Select the best response.

A. Additional DHCP options will be imported from another DHCP server.
B. The DHCP server pools need to be bound to an interface to operate.
C. This configuration will provide IP configuration information to two different subnets.
D. Additional DCHP option information needs to be imported from another DHCP server.
E. If the router hands out all the addresses in pool 1, then it will supply addresses from pool 2.

Answer: C

29. Using the rules for IPv6 addressing, how can the address 2031:0000:240F:0000:0000:09C0:123A:121B be rewritten?
Select the best response.

A. 2031:0:240F::09C0:123A:121B
B. 2031::240F::09C0:123A:121B
C. 2031::240F:9C0::123A:121B
D. 2031::240F:::09C0:123A:121B

Answer: A

30. Refer to the exhibit. Which configuration would correctly enable Host A to acquire an IP address from the DHCP server that is located at 10.1.2.10/24?
Select the best response.

A. ASw1(config)# interface range FastEthernet 0/1 – 24
ASw1(config-if-range)# ip forward-protocol udp 67
ASw1(config-if-range)# ip forward-protocol udp 68

B. ASw1(config)# interface range FastEthernet 0/1 – 24
ASw1(config-if-range)# ip helper-address 10.1.2.10

C. RTA(config)# interface fastethernet0/0
RTA(config-if)# ip forward-protocol udp 67
RTA(config-if)# ip forward-protocol udp 68

D. RTA(config)# interface fastethernet0/1
RTA(config-if)# ip forward-protocol udp 67
RTA(config-if)# ip forward-protocol udp 68
E. RTA(config)# interface fastethernet0/0
RTA(config-if)# ip helper-address 10.1.2.10
F. RTA(config)# interface fastethernet0/1
RTA(config-if)# ip helper-address 10.1.2.10

Answer: E

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1. Scalable networks:

The key 5 characteristics of Scalable Internetworks are:

Reliable and available: An internetwork is usually up for 24 hours a day and seven days a week.
Efficient: Efficiency means optimization of resources keeping in view available bandwidth. An internetwork should have less amount of overhead traffic, such as broadcasts, routing updates etc.
Responsive: It is necessary that the internetwork meet QoS requirements for different protocols. Cisco IOS has been developed keeping in view the QoS demands. Different protocols may require different QoS standards.
Adaptable: An internetwork should be able to accommodate variety of networks and protocols. The available protocols may include for example, TCP/IP, IPX, and SNA. An adaptable internet should be able to accommodate legacy as well as more recent technologies such as VOIP.
Accessible and Secure: An internet should be accessible by using different access methods, such as dial-up, dedicated, switched connections. At the same time, it should provide secure environment.
2. The typical three-layer hierarchical internetworking model consists of the following:

Core layer: Core layer is responsible to provide an optimal and reliable transport structure. The core layer is the backbone network of the entire internetwork and may include LAN and WAN backbones. Core layer usually consists of fully redundant paths with technologies such as FDDI, Fast Ethernet, and/ or ATM.
Distribution layer: Distribution layer is responsible to provide access to the internetwork as well as to the servers. Distribution layer sits between the Core layer and the Access layer. The policies such as ACLs are implemented at the distribution layer. Distribution layer is also known as workgroup layer.
Access layer, provides the users, access to the resources on internetwork.
In real world, a single device may be functioning at both Access layer as well as distribution layer. This is true for even Core layer.

3. Network segmentation:

Network congestion can be addressed by segmentation of the network. Network segmentation, also called micro segmentation, can be done by using:

Bridges,
Routers, and
Switches.
The primary purpose of segmentation is to reduce congestion in the network.

4. Bridges and switches forwards all broadcasts, which puts extra load on the network. In other words, though bridges divide the network into different collision domains, the broadcast domain remain only one. This increases the overhead on the network.

5. The Cisco IOS features that allow reduction in bandwidth are:

Access Control Lists: ACLs are used to permit or deny protocol update traffic, data traffic, and broadcast traffic. Cisco access lists are available for IP, IPX, and AppleTalk protocols.
Snapshot routing: Snapshot routing can reduce WAN costs, by exchanging the routing table at predefined intervals. The routing tables for the distance vector protocols are kept frozen until the next update occurs. Snapshot routing is used only on distance vector protocols such as IP RIP. Snapshot routing is widely used on ISDN lines.
Compression over WANs: Cisco IOS supports TCP/IP packet header, as well as data compression. Link compression is also supported, that compresses both header and data information in packets across point to point connections.
DDR (Dial on Demand Routing): DDR are useful when the traffic flow is not continuous in nature. In DDR, channel is created only after intended traffic is detected by the router, by dialing the destination.
Switched network access: Switched networks, such as Frame Relay, X.25 can share the bandwidth by establishing virtual circuits.
Optimization of routing table size: Routing table entries consume bandwidth and processing power. These entries can be reduced by techniques such as route summarization, and incremental updates.
6. Snapshot routing builds routing table based on a snapshot of a dynamic routing table available when the network is active. The snapshot routing table is used until another activity occurs on the network, at which time the routing table is rebuilt. No routing information is exchanged when the network is quiet. Snapshot routing can be applied to distance vector protocols such as IP RIP, IGRP, IPX RIP, and RTMP.

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The Building Scalable Cisco Internetworks (BSCI) series, at its core, is all about routing. You’ll immerse yourself in the routing knowledge you need to work on enterprise-class networks. Plus you’ll learn what it takes to pass the CCNP-BSCI exam.

Here’s what you’ll learn in each video in the BSCI series:

Video 1 – Welcome to the BSCI video series! This opening video discusses the course objectives and their relation to the Cisco CCNP certification exam. You’ll also see recent changes to the Cisco certification process that make real world training (which is the goal of CBT Nuggets) the best possible way to prepare.

Video 2 – Cisco designed EIGRP to be one of the most feature-packed and yet easy to configure routing protocols on the planet. However, terminology is the name of the game in this protocol. For example, did you know that a route considered a “successor” would actually be a primary route? Did you know that Active routes are bad? This video logically walk though the concepts and terms of EIGRP before any syntax is entered.

Video 3 – Action! With the foundation concepts in place, Jeremy journeys with you through a complete configuration of EIGRP, including the base configuration and default route advertisement. Throughout the video, Jeremy discusses the core verification commands you can use to troubleshoot EIGRP in a production network.

Video 4 – Cisco designed EIGRP implementations to be easy. However, even the “simple protocol” has advanced features which take a little more configuration. This video walks through the implementation of manual and automatic route summarization, unequal-cost load balancing, and authentication using key chains.

Video 5 – EIGRP’s simplicity is one of its best features as well as one of its biggest drawbacks. Many administrators see EIGRP as a blanket routing protocol – just throw it at any situation with minimal configuration and it will work. While this may be true, it won’t work well. Query messages can eat your network alive causing slow convergence at best and complete outages at worst. This video walks through the design options and best practices when setting up an EIGRP-based network.

Video 6 – Welcome to OSPF, the most popular routing protocol in the world, but also one of the most complex interior gateway protocols one can deploy. Before a single line of syntax is typed, many concepts must be discussed. This video covers the benefits of link-state routing protocols, OSPF area terminology and concepts, and the forming of OSPF neighbor relationships.

Video 7 – We’d pack all the OSPF concepts in a single video if we could! There’s just too much to talk about. This video picks up where the last one leaves off and discusses the OSPF cost (metric), the concepts behind the Designated Router (DR) and Backup Designated Router (BDR), and the flurry of OSPF packet types you will encounter on your network.

Video 8 – Enough with the concepts, it’s time to move into the hands-on configuration. This video walks through the base configuration of OSPF in a single area and covers many of the basic implementation and verification commands.

Video 9 – OSPF can run across nearly any type of network: point-to-point, broadcast-based, and even the dreaded non-broadcast, multi-access (NBMA) clouds. The focus of this video is primarily on these cloud architectures. Cisco has equipped OSPF with five different modes it can use to operate in NBMA environments. Jeremy walks through each one of these with a thorough explanation and configuration.

Video 10 – It’s now time to expand OSPF to multi-area environments. This video walks through the configuration of the OSPF Area Border Router (ABR) and Autonomous System Boundary Router (ASBR), as well as the implementation of OSPF summarization options. The video wraps up by discussing the different Link State Advertisements (LSAs) supported by OSPF.

Video 11 – Understanding the OSPF area types is definitely one of Jeremy’s favorite OSPF topics! Just the names of the area types alone speak volumes: stub areas, totally stubby areas, not-so-stubby areas? It’s not often you get to deal with technical terms that sound like this. Each one of these area types offer their own, unique features. Find out all about them (along with your standard dose of configuration) in this video!

Video 12 – It’s finally time to wrap up the OSPF protocol. This video covers all the “miscellaneous features and options” that didn’t quite fit anywhere else. These options include default route advertisements, limiting LSA messages, external route types, and authentication.

Video 13 – If there’s one thing you can guarantee from the IS-IS routing protocol, it’s that you’ve never seen anything like this! Since IS-IS was originally designed for the OSI protocol rather than TCP/IP, many concepts are very strange. This video explains many of the advantages and disadvantages of IS-IS and works through a detailed comparison of IS-IS and OSPF.

Video 14 – IS-IS may seem like the best routing protocol for your network…until you realize that you need to learn OSI addressing to make it work! This video walks through the concepts of assigning an OSI address to your router to build the foundation network IS-IS uses for communication. You’ll also see the packets exchanged by IS-IS routers to converge the network routing tables.

Video 15 – IS-IS may be tough conceptually, but you’ll really enjoy the configuration. It doesn’t take long to find out that next to EIGRP, this is the easiest link-state protocols to set up. The sole focus of this video is IS-IS configuration.

Video 16 – Some network environments decide to run multiple routing protocols. Why would they do this? There’s a variety of reasons, discussed in this video. Regardless of the reason, it will usually result in some form of route redistribution, which Jeremy calls the “necessary evil of routing politics.” This video walks through the concepts and configuration of route redistribution.

Video 17 – Route redistribution always has the potential for routing loops. At this point, you will need to step into the advanced world of route filtering. Join Jeremy as he configures a variety of route filter methods on live Cisco equipment. Get your brain ready for this one – it’s not for the faint of heart!

Video 18 – Take a step into the largest routing protocol in the world: the Border Gateway Protocol (BGP). This video walks through the foundation concepts of BGP: what it is, where you would use it, and facts to consider before deploying it.

Video 19 – Let the BGP configuration begin! Because BGP is so complex, we had to divide this configuration topic into three separate videos. This initial video walks through the difference between IBGP and EBGP, the setup of BGP neighbor relationships, and implementing minor tuning of BGP through the use of the “update-source” and “ebgp-multihop” commands.

Video 20 – The BGP configuration fun continues as Jeremy walks through the process of advertising networks into BGP and disabling BGP auto-summary (you REALLY don’t want this feature). In addition, special time is given to the BGP next-hop behavior and BGP synchronization, which can traditionally be very confusing topics.

Video 21 – This final BGP implementation video takes a step back and looks into the architecture of the BGP neighbor process. Using show and debug commands, Jeremy explores the packets used to form BGP neighbors along with BGP neighbor relationship troubleshooting. In addition, you’ll learn how to make your BGP configuration more efficient through the use of BGP peer-groups.

Video 22 – Now that the foundation BGP configuration has been deployed, you’ll need to begin your custom modifications to help BGP find the best path through the Internet. Without proper modification of BGP attributes, the protocol behaves like an advanced version of RIP (which you DON’T want!). Join Jeremy as he discusses the concepts around these BGP attributes and how you can modify them effectively.

Video 23 – More BGP attribute fun! Because the BGP metric is so complex, we needed to split the attribute discussion into two videos. In this video, Jeremy continues through the live demonstration of BGP attribute modification.

Video 24 – IP multicast is one of “those” topics: you hear about it plenty, but it’s always in passing. It doesn’t seem like anyone is really supporting IP multicasting…or are they? Regardless, if you deploy multicast on a Cisco network that has not been specifically configured to support it, it just plain won’t work. This video discusses the proper planning and understanding of multicast protocols and concepts, along with a brief configuration to get your network ready to support it.

Video 25 – Everything you thought you knew about TCP/IP is changing! Welcome to the world of IPv6 (also known as IPng – next generation). This video gives you the reasons to use IPv6 and a in-depth discussion of the new IPv6 addressing. We can guarantee after you watch this video, you will think, “That is one of the best introductions to TCP/IPv6 I’ve ever heard!”

Video 26 – It’s just as easy to assign an IPv6 address to your router as it is an IPv4 address…it just takes a little more typing! In this video, you’ll learn how to configure IPv6 addressing on a router along with the new version of OSPF (version 3), which is geared specifically for the new version of IP!

Video 27 – It’s the bonus video! Learn to use Cisco devices, one of the most stable platforms in the industry, for key DHCP services on your network. This video walks through the configuration of DHCP services on an IOS-based device, but also gets into the setup of a Cisco router as a DHCP client. Finally, you’ll discuss the ever-so-popular “ip helper-address” command, which is used to centralize all DHCP services in your organization.

Exam prep for Cisco BSCI exam as part of CCNP certification

In Cisco CCNP – Exam-Pack: 642-901 BSCI, you’ll learn real world skills for deploying, managing, and optimizing Cisco routers. Plus the series maps to exam objectives for Cisco exam 642-901 BSCI. This is one of four exams toward CCNP certification.

Prerequisites

A thorough understanding of Cisco networking such as a CCNA certification or equivalent knowledge is recommended before viewing these videos.

The Cisco CCNP – Exam-Pack: 642-901 BSCI contains:

- Today’s Routed World (free video!)
- EIGRP: The Concepts
- EIGRP: Implementation and Verification
- EIGRP: Summarization, Authentication, and Other Advanced Options
- EIGRP: Best Practices and Design Options
- OSPF: The Concepts (Part 1)
- OSPF: The Concepts (Part 2)
- OSPF: Implementation and Verification
- OSPF: Understanding Network Types
- OSPF: Router LSAs and Summarization Options
- OSPF: Special Area Types and Options
- OSPF: Authentication and Other Miscellaneous Options
- IS-IS: The Concepts (Part 1)
- IS-IS: The Concepts (Part 2)
- IS-IS: Basic Implementation and Verification
- Advanced Routing: Route Redistribution
- Advanced Routing: Manipulating Route Updates
- BGP: Foundation Concepts
- BGP: Implementation and Tuning (Part 1)
- BGP: Implementation and Tuning (Part 2)
- BGP: Implementation and Tuning (Part 3)
- BGP: Tuning Attributes (Part 1)
- BGP: Tuning Attributes (Part 2)
- Multicast: Concepts and Configuration
- IPv6: Understanding Basic Concepts and Addressing
- IPv6:Configuring, Routing, and Interoperating
- Advanced Routing: Implementing Router-Based DHCP Services

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The labs reinforce your understanding of how to install, configure, monitor, and troubleshoot network infrastructure equipment. You will apply your knowledge of configuration of EIGRP, OSPF, IS-IS, and BGP routing protocols and how to manipulate and optimize routing updates between these protocols. Other topics covered include multicast routing, IPv6, and DHCP configuration.

Those preparing for the Building Scalable Cisco Internetworks (BSCI 642-901) certification exam should work through this book cover-to-cover. Or if you need to quickly review configuration examples, you can go directly to the relevant chapter.

CCNP Building Scalable Internetworks (BSCI 642-901) Lab Portfolio includes

* 33 Labs built to support v5 of the Building Scalable Internetworks course within the Cisco® Networking Academy® curriculum providing ample opportunity to practice.
* 6 Challenge and Troubleshooting Labs have been added to the Lab Portfolio to further test your mastery of the topics.
* 4 Case Studies provide practice in planning, designing, and implementing EIGRP, OSPF, and BGP networks. Even if you do not have the actual equipment to configure these more complex topologies, it is worth reading through these labs to expand your thinking into more complex networking solutions.

By successfully completing the exercises in this book you will gain the experience necessary to use advanced IP addressing and routing in implementing scalability for Cisco integrated services routers (ISR) connected to LANs and WANs.

http://www.ciscopress.com/bookstore/product.asp?isbn=1587132133

book download http://rapidshare.com/files/141712127/www.certdumps.net_CCNP_Building_Scalable_Internetworks_Lab_Portfolio.rar