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Cisco Certified
Internetwork Professional |
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Configuring BGP on Cisco Routers Exam
(BGP 642-661) |
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Exam Number: |
642-661 |
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Associated
Certifications: |
CCIP |
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Available
Languages: |
English |
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Click here to access
Exam 642-661 Practice Tests |
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642-661
Braindumps |
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Exam Description |
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Exam Topics |
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Recommended Training |
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Exam
Description |
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BGP is a qualifying exam for CCIP® certification. The BGP
exam (642-661) will test on material covered under the
Configuring BGP on Cisco Routers (BGP) v 3.0 course. The BGP
exam assesses a candidate's understanding of the theory of
BGP, ability to configure BGP on Cisco IOS routers, and skills
with troubleshooting on BGP. As a routing protocol, BGP is one
of the underlying foundations of the Internet and new-world
technologies.
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Exam
Topic |
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The following information provides general guidelines for
the content likely to be included on the BGP exam. However,
other related topics may also appear on any specific delivery
of the exam. |
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BGP Overview |
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Introduction to BGP |
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Given a network scenario, identify
appropriate BGP usage and its
limitations. |
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BGP Session Establishment |
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Given a typical BGP network scenario,
describe the concept of BGP neighbors and the neighbor
session establishment procedures. |
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BGP Route Processing |
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Given a diagram of an operational BGP
network, describe interdomain route processing, route
propagation and BGP path
selection. |
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Basic BGP Configuration |
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Given a network consisting of multiple
domains, successfully configure
BGP. |
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Monitoring and Troubleshooting BGP |
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Given a configured BGP network, verify
proper operation and perform the steps necessary to
correct basic BGP configuration
errors. |
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Route Selection Using Policy Controls Multi-Homed BGP Networks |
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Given a customer scenario where
connections to multiple ISPs must be supported, describe
the need for influencing BGP route
selection. |
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AS-Path Filters |
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Given a customer scenario where
connections to multiple ISPs must be supported,
successfully configure BGP to influence route selection
using AS path filters. |
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Prefix-List Filters |
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Given a customer scenario where
connections to multiple ISPs must be supported,
successfully configure BGP to influence route selection
using prefix-list filters. |
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Outbound Route Filtering |
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Given an operational BGP network, use
outbound route filtering to minimize the impact of BGP
routing updates on router
resources |
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Route-Maps as BGP Filters |
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Given a typical BGP network, correctly
configure BGP to influence route selection using route
maps. |
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Implementing Changes in BGP Policy |
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Given a typical BGP network, configure
the route-refresh feature to minimize the impact of
expediting BGP policy updates. |
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Route Selection Using Attributes BGP Path Attributes |
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List BGP path attributes and
functionality of each attribute Influencing BGP Route
Selection with Weights. |
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Given a customer scenario where
multiple connections must be supported, successfully
configure BGP to influence route selection using the
weight attribute. |
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BGP Local Preference |
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Given a customer scenario where
multiple connections must be supported, successfully
configure BGP to influence route selection using the
local preference attribute. |
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GP Multi-Exit-Discriminator (MED) |
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Given a customer scenario where
multiple connections must be supported, successfully
configure BGP to influence route selection using the
Multi-Exit-Discriminator (MED)
attribute. |
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BGP Communities |
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Given a customer scenario where
multiple connections must be supported, successfully
configure BGP to influence route selection using BGP
community attributes. |
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Customer-to-Provider Connectivity with BGP |
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Customer Connectivity Requirements |
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Describe the requirements to connect
customer networks to the Internet in a service provider
environment. |
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Static Routing Toward the Customer |
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Given a service provider network,
implement customer connectivity using static
routing. |
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BGP Customer Multi-Homed to a Single Service
Provider |
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Given a customer scenario where
multiple connections to a single ISP must be supported,
implement customer connectivity with
BGP. |
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BGP Customer Multi-Homed to Multiple Service
Providers |
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Given a customer scenario where
connections to multiple ISPs must be supported,
implement customer connectivity with
BGP. |
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BGP Transit Autonomous System
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Transit Autonomous System Functions |
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Describe the function of a transit
autonomous system and the need for IBGP IBGP and EBGP
Interaction in a Transit AS. |
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Given a transit autonomous system,
describe the interaction between EBGP and IBGP in
relation to relevant BGP
attributes. |
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Packet Forwarding in Transit Autonomous
Systems |
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Describe the function of an IGP in
forwarding packets through an autonomous
system. |
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Configuring a Transit Autonomous System |
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Given a BGP network scenario,
successfully configure an autonomous system to act as a
transit backbone. |
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Monitoring and Troubleshooting IBGP in Transit
AS |
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Given a configured BGP transit network,
verify proper operation and perform the steps necessary
to correct basic IBGP configuration
errors. |
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BGP Route Reflectors
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Introduction to Route Reflectors |
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Describe the function and operation of
route reflectors in a BGP
environment. |
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Network Design with Route Reflectors |
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Based upon established route reflector
design rules, describe the concept of hierarchial route
reflectors and their
requirements. |
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Configuring and Monitoring Route Reflectors |
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Given an existing IBGP network,
configure and verify proper operation of route
reflectors to modify IBGGP split-horizon
rules. |
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Advanced BGP Configuration
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Limiting the Number of Prefixes Received from a BGP
Neighbor |
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Given a typical BGP network,
successfully configure BGP to limit the number of
prefixes received from a
neighbor. |
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AS-Path Prepending |
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Given a typical service provider
network with connections to multiple autonomous systems,
use AS-Path prepending to influence the return path
selected by the neighboring autonomous
systems. |
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BGP Peer Group |
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Given a typical BGP network, use BGP
peer groups to share common configuration parameters
between multiple BGP peers. |
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BGP Route Flap Dampening |
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Given a properly configured BGP
network, use route flap dampening to minimize the impact
of unstable routes. |
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Scaling IGP and BGP in Service Provider
Networks
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Common Routing Issues in Service Provider
Networks |
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Describe common routing concerns of
service provider networks. |
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Optical Networking Designs |
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Describe the scalability issues of
using OSPF and IS-IS as interior gateway protocols in a
service provider network and list solutions for
each. |
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Scaling BGP in Service Provider Networks |
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Describe common scalability issues when
using BGP in a service provider network and list
solutions for
each. |
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Recommended
Training |
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Building Scalable Networks (BGP)
is the recommended training for this exam.
Courses listed are offered by Cisco Learning Partners—the only
authorized source for Cisco IT training delivered exclusively by
Certified Cisco Instructors. |
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You will PASS your
Exam 642-661 in your FIRST try! With only 20-30 hours study of
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Index |
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640-910 |
642-641
| 642-661 |
642-801 |
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CARLSS
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CCDA |
CCDP |
CCIP
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CCNA
| CCNP |
CCSP |
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